Startup Diligence
Diligence report Aerospace / Launch Vehicles Series E 2026-10-21

Gilmour Space Technologies

Sovereign-space infrastructure with institutional backing, but orbital reliability and commercial economics remain unproven.

Research more: Gilmour has scarce sovereign-space infrastructure and fresh institutional backing, but orbital reliability, revenue-bearing backlog, and runway remain unproven.

Coverage and disclosure

Evidence was reviewed through 2026-10-21. Gilmour Space is private, and the available public record does not disclose current revenue, cash burn, runway, customer concentration, or financing preferences.

Cover facts

Series E 01
A$217 million [CO004]
Workforce 02
More than 220 [CO007]
First Eris test flight 03
Approximately 14 seconds [CO009]
ElaraSat milestone 04
100 kg bus operating on orbit [CO012]

Company profile

Gilmour Space Technologies is a privately held Australian aerospace company founded by Adam and James Gilmour. It is building an integrated space-access platform spanning Eris launch vehicles, ElaraSat satellite buses, and the licensed Bowen Orbital Spaceport, with headquarters and manufacturing on the Gold Coast.

Website
www.gilmourspace.com
Founders
Adam Gilmour, James Gilmour
Founding location
Gold Coast, Queensland, Australia
Headquarters
Gold Coast, Queensland, Australia
Product
Eris small-satellite launch vehicles, the ElaraSat satellite bus, licensed orbital-spaceport operations at Bowen, and adjacent hypersonic flight services.
Customers
Commercial, government, and defence space missions
Business model
Mission-specific launch, satellite-platform, spaceport, and flight-service contracts; public pricing and contract economics are not disclosed.
Stage
Series E
Funding status
A$217 million Series E reported in 2026
[CO001, CO002, CO003, CO004, CO013, CI001, CI002, CI003]

Executive summary

Top strengths

  • Integrated Eris, ElaraSat, and licensed Bowen spaceport infrastructure
  • A$217 million Series E backed by institutional and government-linked capital
  • Successful on-orbit operation of the 100 kg ElaraSat satellite bus

Top risks

  • Eris has not reached orbit, and the first test flight ended after about 14 seconds
  • Revenue, burn, runway, backlog quality, pricing, and unit economics are undisclosed
  • The reported valuation lacks the financial inputs needed for a defensible return model
  • Flight-critical supplier, qualification, and regulator-acceptance evidence remains incomplete

Open gaps

  • TestFlight2 permit conditions, corrective-action closure, qualification results, and flight outcome
  • Current revenue, cash, monthly burn, runway, debt obligations, and per-mission economics
  • Signed revenue-bearing backlog, deposits, cancellation rights, customer concentration, and renewal evidence
  • Series E security terms, fully diluted capitalization, preferences, and ownership concentration
  • Critical supplier concentration, alternate-source qualification, and failure-remediation records

Contents

Chapter 01

01Company Overview

1.1 Identity and integrated operating model

Founded on the Gold Coast in 2013 by brothers Adam and James Gilmour, the company remains a privately held Australian launch-services developer. Its official positioning combines three mutually reinforcing assets: Eris launch vehicles, the ElaraSat satellite platform, and licensed launch operations at Bowen. Gold Coast houses headquarters and manufacturing, while Bowen is the operating launch site. This is broader than a single-rocket proposition: management is attempting to control vehicle, spacecraft, and launch-site interfaces for commercial, government, and defence missions. That integration may reduce coordination friction, but it also concentrates capital and execution demands inside one development-stage company.[CO001, CO002, CO003, CO013]

Snapshot KPI table
MetricValue or statusEvidence dateConfidenceGap or qualification
Founded2013HistoricalHighFounder biographies beyond the assigned public profiles are limited
HeadquartersGold Coast, Queensland, AustraliaCurrentHighOfficial site also identifies Bowen as the operating spaceport
Business stageSeries E; orbital launch vehicle in development2026-09-09HighNo successful Eris orbital insertion is evidenced
Series EA$217m (about US$145m)2026-01-20HighOther fetched pages use an unqualified $ symbol
Reported valuationMore than $1bn2026MediumCurrency and transaction methodology are not stated in the fetched article
WorkforceMore than 2202026HighExact current headcount and contractor mix are undisclosed
Revenue or run rateCurrentLowNo current revenue metric appears in the assigned evidence
Customer count or firm backlogCurrentLowNo denominator or revenue-bearing backlog is disclosed
Cash runway or burnCurrentLowFunding raised is not cash available and no burn figure is public

Values reproduce the currencies and periods available in the retained sources; null means the eight-source assigned pool did not disclose the metric, not that the metric is zero.

[CO001, CO002, CO004, CO005, CO007, CO009]

1.2 Capital base and disclosed scale

The clearest current scale markers are financing and employment rather than commercial output. Multiple sources report a Series E of A$217 million, equivalent to roughly US$145 million in one tracker, while an Australian technology publication says the valuation topped $1 billion without naming the currency in the fetched text. NRFC says it invested $75 million and co-led the round with Hostplus; the same public evidence places headcount above 220. Earlier venture funding was reported at $142 million before the Series E, but currency conventions, grants, debt, secondary transactions, revenue, cash balance, and runway are not disclosed well enough to calculate total capital available or capital efficiency.[CO004, CO005, CO006, CO007, CO008]

Stakeholder or investor map
StakeholderRoleControl or economic importanceDiligence ask
National Reconstruction Fund CorporationSeries E co-lead and reported $75m investorStrategic government-linked capitalConfirm currency, security, board rights, and policy-linked conditions
HostplusSeries E co-lead and existing backerLarge institutional investorConfirm ownership, pro-rata rights, and governance rights
Future FundSeries E participantSovereign institutional capitalConfirm amount, security, and information rights
BlackbirdExisting venture investor and Series E participantLongstanding venture sponsorConfirm ownership, board role, and reserve commitments
Main SequenceExisting investor and Series E participantDeep-tech venture sponsorConfirm ownership and follow-on capacity
Funds SASeries E participantInstitutional capitalConfirm allocation and governance rights
HESTA and NGS SuperSeries E participantsSuperannuation capitalConfirm combined ownership and transfer restrictions
QIC and Brighter SuperSeries E participantsQueensland-linked institutional capitalConfirm allocation, strategic conditions, and rights

Participation is sourced from NRFC, the syndicated company announcement, and independent reporting; the assigned evidence does not disclose ownership percentages, security terms, voting control, or a complete cap table.

[CO004, CO006, CO008]

1.3 Leadership, governance, and key-person exposure

Public leadership evidence is narrow. Adam Gilmour is consistently identified as co-founder and chief executive, while James Gilmour is identified as a co-founder without a current operating title in the assigned material. NewSpaceTracker reports that former NASA Deputy Administrator Pamela Melroy joined the board in June 2026, adding relevant institutional experience. Nevertheless, the public roster does not establish a complete executive team, board composition, voting rights, succession plan, or division of technical authority. The combination of Adam's CEO role and prominence in launch and financing communications therefore supports a key-person concern that should be tested through management and governance documents.[CO001, CO015, CO016]

Leadership and founder table
PersonPublicly evidenced roleRelevant backgroundFunctional coverageKey-person or diligence issue
Adam GilmourCo-founder and CEOFounder of the company; prior career not detailed in assigned sourcesCorporate leadership and external financing/launch communicationMaterial dependence; request succession plan and delegated technical authority
James GilmourCo-founderCo-founded the company in 2013; current biography not detailedFounder continuityCurrent executive remit and equity position are not disclosed
Pamela MelroyBoard director from 2026-06-23Former NASA Deputy AdministratorSpace-agency and governance perspectiveRequest full board roster, committee assignments, and independence assessment

This is a partial roster limited to people expressly identified in the assigned evidence; absence of other executives is not evidence that those roles are vacant.

[CO001, CO015, CO016]

1.4 Milestones, technical setback, and next proof point

Gilmour has converted infrastructure and spacecraft development into tangible milestones: Bowen received orbital-launch licensing, ElaraSat has operated on orbit, and Eris left the pad in July 2025. The rocket then crashed after about 14 seconds. Adam Gilmour initially attributed the loss to apparent engine failure; a later tracker account says the April 2026 investigation identified electrical and thermal faults in pump motors and inverters on two first-stage motors. As of the tracker's September 2026 update, another attempt was still described for 2026. That makes a repeat flight—not the first brief lift-off— the next decisive evidence of launch-system maturity. No assigned source establishes a completed second attempt by the run date.[CO009, CO010, CO011, CO012, CO013, CO014]

FO001: Company milestone timeline

Capital and infrastructure progressed, but the first Eris flight ended after about 14 seconds and the next launch remained pending in the latest assigned update.

Dates come from the retained source text; "By 2026-01" avoids inventing an exact ElaraSat launch date that the assigned sources do not state.

Company founded [CO001]

Bowen launch facility approved [CO013]

First Eris orbital-launch attempt [CO009]

ElaraSat demonstrated on orbit [CO012]

Series E announced [CO004]

TestFlight 1 findings reported [CO011]

Pamela Melroy joined the board [CO015]

Repeat launch remained pending [CO014]

[CO001, CO004, CO009, CO011, CO012, CO013, CO014, CO015]

1.5 Exhibits

Chapter 02

02Market Analysis

2.1 Market boundary and substitutes

The investable market should be bounded around access to orbit for small payloads rather than the entire space economy. Gilmour presents an integrated offer spanning Eris launch vehicles, ElaraSat satellite platforms, and the licensed Bowen spaceport for commercial, government, and defence missions. That creates a core launch-services market plus satellite-bus and hypersonic-test adjacencies, but manufacturing, downstream satellite applications, and broad space-services spend should remain outside the core boundary. Status-quo substitutes include foreign dedicated launch, rideshare missions, orbital-transfer services, and delaying a mission until suitable capacity or orbit access becomes available. The evidence says access is constrained, but it does not quantify how much spending is contestable by Gilmour.[CM001, CM002, CM003, CM004]

Market definition and boundary
Segment or categoryIncluded spend or activityExcluded spend or substituteBuyer or payerRelevance to Gilmour
Small-payload orbital launchDedicated and rideshare launch missions suited to ErisLarge-launch missions and downstream satellite servicesCommercial, government, or defence mission sponsorCore market; current payload envelope is disputed across retained sources
Sovereign Australian accessDomestic launch, range, and spaceport accessForeign launch providers and mission delayAustralian government and defence capability ownersDifferentiated by licensed Bowen infrastructure and resilience policy
Satellite platform adjacencyElaraSat platform and mission integrationPayload applications, data services, and unrelated spacecraft manufacturingSatellite operator or mission programAdjacent revenue path that may bundle with launch
Hypersonic testing adjacencyFlight-test access presented by the companyGeneral aviation testing and non-space researchGovernment, defence, or research programPotential use of infrastructure, but no assigned evidence quantifies demand

Boundary is analytical and evidence-constrained; no retained source provides category-level spend, buyer budgets, or conversion rates.

[CM001, CM002, CM003, CM011]
FM001: Evidence-bounded market access funnel

A broad-to-narrow view of the opportunity, with unsupported monetary values left explicitly unavailable rather than converted into a synthetic TAM.

Layer widths indicate hierarchy, not quantitative proportions.

This is a scope hierarchy, not a value-proportional funnel; no conversion rates or market values are inferred.

[CM004, CM012, CM016]

2.2 Evidence-constrained sizing

A monetary TAM or growth rate cannot be responsibly calculated from this source pool because none supplies a market-spend denominator, forecast period, geography-specific procurement total, or comparable analyst methodology. The available sizing lenses are instead supply-side and unit-based: NewSpace Index lists one launch, a $7 million launch cost, and 215 kilograms of performance, while a Skybrokers supplier page describes capacity of up to about 300 kilograms. ABC reports management's aspiration to ramp to four launches per year and eventually more than twelve, but this is a target, not contracted demand or demonstrated throughput. These measures frame a potential serviceable envelope while leaving utilization, pricing realization, mission mix, and revenue conversion open.[CM005, CM006, CM007, CM008, CM009, CM010, CM016]

Sizing lenses and limitations
LensSource and periodValue or statusMethodology or denominatorConfidenceLimitation
Launch-unit priceNewSpace Index, modified 2026-07-19$7 million per launchDirectory-listed launch cost; denominator is one launchMediumNot a contracted price, realized revenue, or market-spend estimate
Payload performanceNewSpace Index, modified 2026-07-19215 kgDirectory performance fieldMediumConflicts with the approximately 300 kg supplier-page description
Payload performanceSkybrokers supplier page, accessed 2026-10-21Up to about 300 kg to LEOSupplier listing for ErisLowCompany-linked listing; orbit assumptions and commercial availability are not specified
Recorded launch activityNewSpace Index and ABC, 2025-2026One launch; debut flight about 14 secondsObserved launch count and reported flight durationMediumDoes not establish orbital delivery, cadence, or addressable demand
Management cadence goalABC interview, 2025-07-30Four rockets per year, eventually more than 12CEO targetLowAspiration rather than demonstrated capacity or contracted demand
Monetary TAM, SAM, and SOMAssigned source pool, accessed 2026-10-21No qualifying market-spend study retainedLowRequires market spend, geography, period, buyer budget, and attainable-share evidence

Values preserve each source's units and basis; launch price, payload capacity, flight duration, and management cadence are not combined into a revenue forecast.

[CM005, CM006, CM007, CM008, CM009, CM010, CM016]

2.3 Buyers, users, payers, and adoption path

The source-backed buyer set comprises commercial satellite and payload operators, government and defence mission sponsors, and organizations seeking a satellite platform or hypersonic-test service. Engineers and mission teams are the likely users of launch and platform capability, while program, procurement, or capability owners are the likely payers; however, the assigned evidence does not identify actual budget owners, procurement cycles, contract values, or conversion rates. Adoption therefore depends on matching payload mass and orbit needs, passing regulatory and safety gates, demonstrating reliable flight performance, and converting sovereign-access policy into funded missions. The licensed Bowen site reduces one infrastructure barrier, but it does not by itself establish customer demand.[CM002, CM003, CM004, CM011, CM012]

Segment and buyer map
SegmentBuyerUserPayer or budget ownerWorkflowAdoption trigger
Commercial small-satellite launchSatellite or payload operatorMission and payload-integration teamNot identified in assigned evidenceMatch orbit and payload, integrate, license, launchReliable orbital delivery at acceptable schedule and price
Government sovereign missionCivil-space or public-service programGovernment mission teamAgency program or procurement owner; not identifiedDefine resilience need, procure mission, complete assurance and licensingFunded sovereign-access requirement
Defence missionDefence capability sponsorDefence mission and assurance teamsDefence capability budget; not identifiedSecurity review, mission assurance, integration, and launch approvalNeed for control, resilience, and specific-orbit access
Satellite-platform missionSpacecraft operator or programSpacecraft engineering and operations teamProgram owner; not identifiedSelect bus, integrate payload, arrange launch, operate missionValidated on-orbit performance and mission fit
Hypersonic flight testGovernment, defence, or research programTest and range teamProgram budget; not identifiedDefine test envelope, clear range and safety gates, execute flightDomestic test access and fit with program schedule

Buyer and workflow roles are analytical mappings from the company's stated customer groups and services; named budget owners, procurement cycles, and contract values remain unavailable.

[CM002, CM003, CM004, CM011, CM013]

2.4 Growth drivers and adoption constraints

The strongest drivers are policy demand for sovereign access, Australia's southern-hemisphere location, public investment in domestic capability, and the ability to combine launch, satellite, and spaceport services. The same evidence also exposes material constraints. Eris has one recorded launch and its debut ended after about fourteen seconds, so reliability and cadence remain unproven. The business is capital intensive: public investors are funding vehicle development, manufacturing scale, and spaceport expansion, while the supply chain spans hundreds of Australian suppliers. Regulatory licensing, mission assurance, payload integration, weather, and production readiness can lengthen adoption. Valuation should therefore weight proven orbital delivery and revenue-bearing backlog more heavily than broad industry-growth narratives.[CM004, CM008, CM009, CM011, CM012, CM013, CM014, CM015]

2.5 Exhibits

Chapter 03

03Competitors

3.1 Competitive landscape and buyer alternatives

The relevant competitive set is wider than dedicated small-launch developers. Gilmour markets dedicated and rideshare mission paths, so a payload owner can compare a dedicated mission with a shared launch rather than choosing only among like-for-like rockets. SetterVC's explicitly illustrative list names Rocket Lab, Firefly Aerospace, Isar Aerospace, Orbex, and PLD Space; it describes the first two as flying providers and the latter three as development-stage small-launch peers. Gilmour's integrated offer adds ElaraSat and Bowen spaceport operations. The assigned evidence does not identify the full population of likely entrants, launch brokers, internal-build programs, or status-quo mission delays, so the landscape below is a documented sample rather than an exhaustive market census.[CP001, CP008, CP010]

Evidence-constrained competitor profile
ProviderCategoryDocumented scale or fundingTarget segment and scopeDocumented differentiationEvidence limitation
Gilmour SpaceIntegrated Australian launch providerA$217m Series E; more than 220 staffCommercial, government, and defence; Eris, ElaraSat, and BowenAustralian launch, satellite, and licensed-spaceport stackNo orbital launch success, price, firm backlog, or cadence disclosed
Rocket LabFlying small-launch incumbentUnknown in assigned evidenceSmall-satellite launch; Electron flying and Neutron in developmentDocumented flying Electron vehicleScale, pricing, reliability, and integration breadth not established by assigned evidence
Firefly AerospaceFlying small-launch incumbentUnknown in assigned evidenceSmall-satellite missions; NASA and U.S. Space Force named as customersDocumented flying Alpha vehicle and government-customer exposureScale, pricing, cadence, and customer concentration unknown
Isar AerospaceEuropean development-stage peerUnknown in assigned evidenceSmall- and medium-satellite launchLargely in-house manufacturingFlight status, pricing, and commercial backlog unknown
OrbexEuropean development-stage peerUnknown in assigned evidenceSmall satellites to polar and sun-synchronous orbitsOrbit-specific Prime vehicle positioningFlight status, pricing, scale, and backlog unknown
PLD SpaceEuropean direct peerUnknown in assigned evidenceSub-tonne dedicated launchDirect participation in the dedicated small-launch segmentVehicle status, pricing, scale, and backlog unknown

Partial comparison based on the assigned source pool as of 2026-10-21; SetterVC labels its competitor list illustrative and potentially incomplete, stale, or erroneous, and unknown cells were not estimated.

[CP001, CP003, CP006, CP007, CP008]

3.2 Capability breadth versus operational maturity

Gilmour's strongest documented distinction is vertical breadth: Eris launch vehicles, the ElaraSat satellite platform, and a regulator-licensed orbital spaceport under one Australian operator. ElaraSat has operated on orbit after a U.S. rideshare launch, but Eris TestFlight1 fell back after 14 seconds and did not reach orbit. That creates an important asymmetry: satellite heritage and infrastructure are real, while launch reliability remains unproven. Rocket Lab and Firefly are described as flying vehicles in the retained peer source, whereas Isar, Orbex, and PLD are described principally through vehicles under development. The matrix therefore marks evidence not present in the assigned corpus as unknown instead of converting product descriptions into performance claims.[CP002, CP003, CP005, CP008, CP016]

Feature and capability evidence matrix
Buying criterionGilmour SpaceRocket LabFirefly AerospaceIsar AerospaceOrbexPLD Space
Vehicle statusTestFlight1: 14 seconds; no orbitElectron described as flyingAlpha described as flyingRocket development describedPrime development describedSmall-launch developer; status unknown
Dedicated small-satellite launchDocumentedDocumentedDocumentedDocumentedDocumentedDocumented
Rideshare optionDocumentedUnknownUnknownUnknownUnknownUnknown
Satellite platformElaraSat documented and operated on orbitUnknownUnknownUnknownUnknownUnknown
Controlled launch siteLicensed Bowen Orbital Spaceport documentedUnknownUnknownUnknownUnknownUnknown

Cells show only capabilities explicitly documented in the assigned sources; "unknown" means not established by this evidence set, not that a capability is absent.

[CP001, CP002, CP003, CP005, CP008, CP010]
FP001: Evidence-constrained competitive positioning

Ordinal positioning separates documented launch maturity from documented breadth of the offering; scores are analytical classifications, not market benchmarks.

ItemX (1–5)Y (2–5)Context
1. Gilmour Space 2 5 Test flight without orbit; launch vehicle, satellite bus, and licensed spaceport documented
2. Rocket Lab 5 2 Electron described as flying; broader scope not evaluated in assigned evidence
3. Firefly Aerospace 5 2 Alpha described as flying; broader scope not evaluated in assigned evidence
4. Isar Aerospace 1 2 Development-stage rocket and in-house manufacturing documented
5. Orbex 1 2 Prime development for polar and sun-synchronous missions documented
6. PLD Space 1 2 Direct sub-tonne dedicated-launch peer; maturity details not established

X is a 1-5 ordinal of launch maturity in the assigned evidence (1 development, 2 test flight without orbit, 5 flying); Y is a 1-5 ordinal of documented offering breadth (2 launch vehicle only in this corpus, 5 launch plus satellite plus spaceport). Scores measure retained evidence, not undisclosed capabilities, reliability, price, market share, or a universal benchmark.

[CP003, CP008, CP016]

3.3 Distribution, access, and switching dynamics

Bowen's licensing and the company's end-to-end manufacturing footprint create a potentially meaningful sovereign-access position for Australian commercial, government, and defence missions. Reproducing that position is not merely a vehicle-design exercise: management described a path involving 24 Queensland permits plus environmental and airspace approvals, and the company says it relies on hundreds of domestic suppliers. Those assets can increase partner and regulatory access advantages, but they do not yet prove customer lock-in. Payload customers can still multi-home across dedicated and rideshare options, and the retained sources disclose no exclusivity terms, migration costs, schedule guarantees, or contractual penalties. The stack may reduce coordination burden, but orbital reliability and repeat cadence remain the more important competitive proof points.[CP002, CP007, CP010, CP011, CP013, CP014]

3.4 Pricing evidence and moat durability

No retained source publishes a comparable list price, realized contract price, discount schedule, service-level commitment, or firm launch backlog for Gilmour and the named peers. The pricing table therefore records packaging only and treats economics as unknown. Gilmour's January 2026 Series E and planned spending on vehicle qualification, manufacturing, test, and launch infrastructure provide capacity to keep developing the integrated model, but funding raised is not evidence of customer demand or launch economics. The first-flight engine failure is direct adverse evidence against assuming the infrastructure lead is already a durable moat. A defensible moat verdict requires repeat orbital success, cadence, contracted demand, and unit-level pricing that withstand comparison with flying alternatives.[CP004, CP006, CP009, CP012, CP013, CP014, CP015]

Pricing and packaging comparison
Provider or cohortDocumented packagePrice or contract modelIncluded capability evidenceInvestment implication
Gilmour SpaceDedicated launchNot disclosedEris mission path from BowenCannot compare delivered cost or schedule risk
Gilmour SpaceRideshare missionNot disclosedRideshare path is marketed; prior ElaraSat used a U.S. rideshareMulti-homing remains feasible without disclosed exclusivity
Gilmour SpaceIntegrated satellite plus launch pathwayNot disclosedElaraSat, Eris, and spaceport are presented as an integrated stackPotential coordination advantage is unquantified
Flying U.S. peersRocket Lab Electron and Firefly AlphaNot disclosed in assigned evidenceFlying launch vehicles documented by SetterVCOperational maturity may outweigh unproven integration benefits
European development peersIsar, Orbex, and PLD small-launch vehiclesNot disclosed in assigned evidenceDedicated small-launch positioning documentedPrice pressure and future capacity cannot yet be quantified

No comparable list or realized prices, discounts, minimum commitments, service levels, or contracted backlog were disclosed in the eight retained sources.

[CP003, CP005, CP008, CP009, CP010, CP014, CP015]

3.5 Exhibits

Chapter 04

04Financials

4.1 Revenue architecture is broad, but monetization remains unpriced

Gilmour Space presents an integrated commercial system rather than a single launch product: Eris launch services, the ElaraSat satellite platform, Bowen Orbital Spaceport operations, and Hyperflight hypersonic services. The customer proposition is directed to commercial, government, and defence missions, with the official site inviting payload customers to assess dedicated launch, rideshare, and other mission options. This creates several plausible transaction units—launch, payload slot, satellite bus, spaceport service, or flight campaign—but the retained official pages publish no list price, standard contract structure, discount schedule, or realized price. The integrated offer may improve capture per mission; it also makes revenue recognition and segment economics impossible to separate without contracts and management accounts.[CI001, CI002, CI003, CI016]

Revenue streams and evidence status
StreamMechanismCommercial unitPublic statusRevenue-quality diligence
Eris launch servicesDedicated or rideshare access to orbitLaunch or payload slotPre-repeatable orbital serviceSigned contracts and payment milestones
ElaraSat platformSatellite-bus delivery or integrated missionSatellite bus or missionOn-orbit capability reported by NRFCSegment revenue and manufacturing margin
Bowen spaceportLaunch-site and campaign operationsCampaign or site serviceLicensed operating assetInternal transfer pricing and third-party utilization
HyperflightHypersonic flight-test serviceFlight campaignListed as an official serviceCustomer-funded bookings and direct campaign cost

Streams and status come from retained official or investor sources; no row should be read as evidence of realized revenue, published pricing, or positive gross margin.

[CI001, CI002, CI003, CI005, CI014]
Pricing and monetization disclosure
OfferLikely contract basisPublic list priceRealized price evidenceRequired diligence
Dedicated launchMission-specific contractNot disclosedNot disclosedExecuted order forms and cancellation terms
Rideshare launchPayload slot or mass allocationNot disclosedNot disclosedPrice per kilogram and minimum commitment
ElaraSat platformBus sale or integrated missionNot disclosedNot disclosedBill of materials and milestone billing
Spaceport or Hyperflight serviceCampaign-specific serviceNot disclosedNot disclosedFacility fee schedule and customer-funded costs

Contract bases are analytical classifications of the official service descriptions; prices, discounts, realized revenue, and recognition policies were unavailable in the assigned evidence.

[CI001, CI003, CI014, CI016]
FI001: Mission-to-economics evidence bridge

The operating path is public, while contract conversion, recognized revenue, and gross profit remain unverified.

Node / ConnectionNode / fromToContext
Node 1 Commercial government or defence mission need [mission-need]
Node 2 Dedicated rideshare satellite or hypersonic configuration [mission-design]
Node 3 Contract price and payment milestones not disclosed [contracted-offer]
Node 4 Eris ElaraSat and Bowen delivery assets [delivery-assets]
Node 5 Repeatable orbital delivery not yet demonstrated [flight-outcome]
Node 6 Recognized revenue and gross profit not disclosed [economics]

This is an evidence-status sequence, not a value-proportional funnel or a forecast of conversion.

[CI001, CI002, CI008, CI010, CI014, CI016]

4.2 Technical activity is visible; revenue quality is not

Public evidence shows operating activity but does not establish commercial revenue. The first Eris test flight was airborne for about 14 seconds and did not reach orbit; ABC reported the chief executive attributed the crash to apparent engine failure. Management nevertheless described a path from a second rocket intended to reach orbit to a later rocket carrying a commercial satellite, and a long-term cadence goal of four launches per year before exceeding twelve. Those are operating targets, not booked sales or utilization. The retained EquityZen page places revenue and financial data behind investor sign-up, while the official pages and release index provide no realized revenue, backlog value, customer concentration, or contract conversion data.[CI004, CI008, CI009, CI010, CI014]

4.3 Manufacturing scale and repeated flights make the model capital intensive

The disclosed use of capital points to a vertically integrated cost base. NRFC says its A$75 million investment is intended to advance Eris, scale rocket and satellite manufacturing, and expand Bowen; it also reports more than 220 employees and reliance on hundreds of Australian suppliers. Earlier Series D proceeds were likewise described as funding manufacture, testing, and initial launches. NRFC reports A$217 million raised in the Series E round, but that amount is cumulative financing for the round, not reported cash on hand or runway. The July 2025 flight outcome reinforces the need to model repeated test hardware, launch-site operations, rework, and schedule slippage before assuming production cadence creates operating leverage.[CI005, CI006, CI007, CI008, CI012, CI015]

Unit economics and capital adequacy
MetricPublic value or statusConfidenceWhy it mattersDiligence request
Series E funding raisedA$217 millionMediumFunds scaling but is not cash availableCash receipts by close and restricted-use schedule
NRFC investmentA$75 millionHighMaterial external capital for assets and scalingInvestment instrument and draw conditions
Target launch cadence4 per year, eventually more than 12MediumCadence drives fixed-cost absorptionCapacity plan and probability-weighted manifest
First Eris flight resultAbout 14 seconds; did not reach orbitHighImplies further test and rework costTestFlight-1 cost and TestFlight-2 budget
Revenue gross margin burn and runwayNot publicly disclosedHigh confidence in gapBlocks capital-efficiency underwritingMonthly management accounts and 24-month cash bridge

Funding raised is not cash on hand; cadence is a management target; the flight result is an operating milestone, not a revenue measure; unavailable metrics are not estimated as zero.

[CI005, CI006, CI008, CI009, CI013]

4.4 Financing validates strategic support, not unit economics

The financial case is therefore financing-supported rather than revenue-validated. AFR reported in July 2025 that investors expected more than A$100 million of fresh capital despite the abbreviated first flight, and the later NRFC disclosure shows that a much larger Series E was assembled. This is evidence of continued sponsor appetite and sovereign-capability value, but it does not resolve cash burn, debt or project-finance obligations, launch-level gross margin, working-capital needs, or the amount of capital required to achieve repeatable orbital service. Underwriting should remain conditional on bank statements, monthly burn, committed backlog with payment milestones, cost-per-flight builds, and a runway bridge through the next technical milestone.[CI006, CI011, CI012, CI013, CI014]

4.5 Exhibits

Chapter 05

05Product & Technology

5.1 Product system and customer workflow

The product is not a single rocket: the company presents an integrated mission system comprising Eris launch services, the ElaraSat satellite platform, the licensed Bowen spaceport, and Hyperflight hypersonic flights. For a satellite customer, the intended workflow runs from mission and orbit selection through payload integration, launch from Bowen, and, when relevant, use of an ElaraSat bus. This combination could reduce coordination across vehicle, spacecraft, and launch-site vendors, but the public evidence does not provide a payload interface control document, service-level commitment, integration timetable, or realised mission pricing. The product surface is therefore legible while the customer handoff and contractual performance envelope remain largely private.[CE001, CE003, CE007, CE008, CE016]

Product module and asset matrix
Module or assetPrimary buyer or userPublic maturityDifferentiationDiligence gap
Eris orbital launch serviceCommercial, government, and defence payload ownersTestFlight1 flew for about 14 seconds but did not reach orbit; TestFlight2 targeted for early 2027Australian-operated dedicated access to selected orbitsRoot-cause closure, achieved performance, reliability plan, interfaces, and cadence
ElaraSat satellite busPayload owners needing a spacecraft platformA 100 kg bus was reported operating on orbit after a U.S. rideshare launchCan pair a company-built bus with launch and mission servicesPayload accommodation, production history, reliability, and customer acceptance data
Bowen Orbital SpaceportGilmour missions and prospective launch customersLicensed for orbital launch operationsCompany-controlled Australian launch siteDemonstrated turnaround, range availability, weather constraints, and operating cadence
Hyperflight serviceGovernment, defence, and technology-test usersListed on the company product surface; no completed mission evidence in the retained poolExtends the site and vehicle capability toward hypersonic testingVehicle configuration, flight envelope, approvals, schedule, and customer proof

Statuses reflect public evidence available through 2026-10-21; the absence of a disclosed specification or mission is recorded as a gap, not as proof that the capability does not exist.

[CE001, CE004, CE007, CE008, CE012, CE014]
Workflow and use-case evidence
User jobCurrent workflowGilmour solutionPublicly evidenced benefitLimitation
Place a small satellite into a selected orbitProcure launch capacity and integrate a payload with a vehicle and rangeDedicated or rideshare Eris mission from BowenPublic specification targets about 305 kg to 500 km SSOCapacity is a supplier specification and Eris has not demonstrated orbit
Host and operate a customer payloadSelect a bus, integrate payloads, and buy launch separately or togetherElaraSat multi-mission satellite bus with launch-service optionA 100 kg ElaraSat bus has reported on-orbit heritagePublic payload interfaces, reliability data, and delivery terms are unavailable
Conduct sovereign or hypersonic mission testingCoordinate vehicle, range, licensing, and mission operationsCompany-operated Bowen spaceport and Hyperflight serviceOne provider controls the advertised site and mission stackNo retained evidence quantifies turnaround, flight envelope, or completed Hyperflight missions

Benefits are limited to capabilities evidenced by the retained sources; pricing, integration duration, realised mission outcomes, and contractual service levels were not publicly available.

[CE001, CE003, CE007, CE008, CE014, CE016]

5.2 Architecture and industrial model

Eris is described as a three-stage vehicle whose main engines use liquid oxidiser with a solid fuel grain. The current catalogue specification is approximately 305 kilograms to a 500-kilometre sun-synchronous orbit, but that is a supplier specification rather than demonstrated orbital performance. The operating architecture also depends on Australian manufacturing, hundreds of domestic suppliers, and a licensed launch site. A government-supported next-generation liquid-engine program indicates that propulsion development may extend beyond the present hybrid configuration. Vertical integration can shorten organizational interfaces, yet it also concentrates vehicle, manufacturing, spacecraft, and spaceport execution risk inside one still-scaling operator.[CE002, CE003, CE007, CE010, CE013, CE014]

Technology and operating architecture
Layer or processRoleKey dependencyTechnical or operating risk
Mission and payload interfaceTranslates orbit and payload needs into vehicle and bus requirementsConfiguration-controlled datasheet and interface control documentNo public ICD or complete datasheet was available
Eris launch vehicleThree-stage transport to low Earth and sun-synchronous orbitHybrid main propulsion, stage qualification, and fairing separationOrbital performance is unproven; engine and fairing events require closure evidence
ElaraSat platformHosts customer payloads and provides the spacecraft busPayload integration, production quality, and launch compatibilityOne reported on-orbit bus does not establish fleet reliability or repeatability
Manufacturing and supply networkProduces rocket and satellite hardware in AustraliaHundreds of domestic suppliers and scaling capitalSupplier qualification, bottlenecks, and yield are not publicly quantified
Bowen launch operationsProvides licensed range and launch-site operationsRegulatory permissions, weather, ground systems, and turnaroundFirst-flight outcome and prior weather delays leave cadence unproven
Quality and propulsion roadmapGoverns production systems and future engine developmentISO management systems and next-generation liquid-engine workCertification scope, audit findings, and configuration transition are undisclosed

The architecture is reconstructed from public product, government, and news sources; undisclosed design details and qualification evidence are explicitly treated as diligence gaps.

[CE002, CE005, CE006, CE008, CE009, CE010, CE013, CE015, CE016]
FE001: Integrated product and operating stack

Gilmour's customer proposition spans mission definition through spacecraft, vehicle, manufacturing, and company-operated launch infrastructure.

Customer mission
Commercial, government, defence, and technology-test requirements
Items
  • Dedicated launch
  • Rideshare launch
  • Sovereign and hypersonic missions
Payload and spacecraft
Payload accommodation and the ElaraSat 100 kg-class bus
Items
  • Customer payload
  • ElaraSat platform
Launch vehicle
Three-stage Eris vehicle using hybrid main propulsion
Items
  • Payload fairing
  • Three stages
  • Hybrid engines
Manufacturing and qualification
Australian production, supplier network, static testing, and quality systems
Items
  • Rocket manufacturing
  • Satellite manufacturing
  • Supplier qualification
Launch operations
Licensed Bowen Orbital Spaceport and mission operations
Items
  • Ground systems
  • Range operations
  • Launch licensing
Roadmap and learning loop
Flight data, corrective action, TestFlight2, and next-generation engine work
Items
  • Root-cause closure
  • TestFlight2
  • Liquid-engine development

This is an operating-layer map, not a representation of physical stage geometry; undisclosed internal interfaces are not inferred.

[CE001, CE002, CE006, CE008, CE010, CE013, CE014, CE015]

5.3 Maturity, reliability, and roadmap

The portfolio has uneven maturity. NRFC and Startup Daily report that the 100-kilogram ElaraSat bus reached orbit on a United States rideshare mission, providing meaningful spacecraft heritage. Eris has not yet demonstrated orbit: TestFlight1 flew for about 14 seconds in July 2025 before returning to the launch area, with the chief executive attributing the outcome to an apparent engine failure. Earlier, an electrical feedback event unintentionally triggered the single-use fairing separation system and delayed the attempt. The current supplier-derived roadmap targets TestFlight2 for early 2027. That sequence shows learning activity, but not closure of the engine or fairing failure modes, orbital insertion, payload deployment, launch cadence, or repeatability.[CE004, CE005, CE006, CE008, CE011, CE012]

5.4 Differentiation, controls, and diligence priorities

Gilmour's most defensible public differentiation is system ownership: vehicle, satellite platform, and licensed Australian launch site under one operator, with sovereign access as the customer proposition. The company also states that it is certified to ISO 9001, ISO 45001, and ISO 14001, which signals formal quality, safety, and environmental management systems but does not by itself validate launch reliability. No public datasheet or interface control document was available in the retained evidence, and the assigned pool contained no developer repository, practitioner forum, engineering talk, or comparable community signal. Technical diligence should therefore prioritize configuration-controlled interface documents, TestFlight1 root-cause and corrective-action records, certification scopes and audits, supply-chain qualification, and TestFlight2 acceptance criteria.[CE009, CE014, CE015, CE016]

5.5 Exhibits

Chapter 06

06Customers

6.1 Customer segments and buying surfaces

Gilmour Space presents an integrated offer spanning Eris launch services, the ElaraSat satellite platform, and Bowen Orbital Spaceport for commercial, government, and defence missions. The clearest buyer surface is a payload or satellite operator evaluating a dedicated launch, rideshare mission, or another route to orbit; the official site directs that prospect to the launch sales team rather than publishing standardized pricing or capacity. Government and defence are named customer categories, but the retained material does not identify a procurement authority, awarded mission, contract value, or payer for either category. Hypersonic-flight testing is also presented as a supported mission, yet no named paying user appears in the reviewed evidence. The segmentation is therefore a map of intended buyers and use cases, not a revenue mix or verified customer roster.[CU001, CU002, CU003, CU014]

Customer segmentation by intended mission buyer
SegmentBuyer / user / payerUse caseEvidence of scale or valueDiligence gap
Commercial satellite and payload operatorsMission owner or launch procurement team; payer not identifiedDedicated launch, rideshare, satellite platform, or mission-option assessmentDirect launch-sales channel is available; no customer count or revenue disclosedNamed paid missions, pricing, deposits, and contracted capacity
Government mission sponsorsGovernment agency or program office; named payer not disclosedSovereign access to orbit and satellite missionsGovernment customers are an expressly targeted categoryAwarded mission, procurement status, contract value, and schedule
Defence mission sponsorsDefence procurement authority and mission user; named payer not disclosedSovereign or security-related access to orbitDefence customers are an expressly targeted categorySecurity requirements, awarded program, mission payload, and economics
Technology and flight-test programsTechnology developer or test sponsor; payer not identifiedHypersonic flight testing or in-orbit technology demonstrationStarfish provides partner-level in-orbit proof around ElaraSatCommercial terms, repeat cadence, and production status

Segments come from Gilmour Space and NRFC descriptions; scale, payer identity, and commercial value are null where the retained sources do not disclose them.

[CU001, CU002, CU003, CU005, CU008]

6.2 Adoption evidence is technical, not commercial

The strongest adoption evidence is asset-level. The National Reconstruction Fund Corporation reports successful on-orbit operation of the 100 kg ElaraSat bus after a U.S. rideshare launch, while a Starfish Space update says Otter Pup 2 completed acquisition and operated under control within one kilometre of ElaraSat. Those facts demonstrate an operating spacecraft and a real partner mission around it. Launch-service maturity is much earlier: ABC reported that Eris TestFlight 1 flew for about 14 seconds before crashing after an apparent engine failure. Management's stated sequence was for the next rocket to reach orbit and the following rocket to carry a commercial satellite. The stated ambition of four launches annually and eventually more than twelve is a roadmap, not achieved utilization.[CU004, CU005, CU009, CU010, CU011]

Customer growth and adoption evidence
Metric or milestoneValueDate / periodConfidenceCustomer implicationMissing denominator
Eris TestFlight 1 flight durationApproximately 14 seconds before crashJuly 2025HighIntegrated flight test completed, but orbital launch service was not demonstratedSuccessful orbital missions and payload-carrying missions
ElaraSat bus operation100 kg bus reported successfully operating on orbitReported current at accessMediumDemonstrates operating satellite-platform capabilityPaying customer, service duration, availability, and contract value
Starfish proximity operationAcquisition complete and controlled operation within 1 km of ElaraSatLinkedIn page accessed 2026-10-21MediumNamed external partner mission provides use-case proofPayment status, contracted scope, outcome KPI, and renewal
Audience reach46,334 LinkedIn followersAccessed 2026-10-21MediumAwareness signal only; not a customer or usage metricCustomer count, active missions, conversion, and retention

Milestones use different units and populations and are not a funnel; missing customer denominators are shown explicitly rather than inferred from technical or audience metrics.

[CU004, CU005, CU009, CU011, CU012, CU013]

6.3 Named relationships do not yet establish customers

The retained sources name Starfish Space, Sojitz Corporation, and Transcelestial, but the evidence quality differs materially from a customer case study. Starfish provides the strongest external proof because its spacecraft is described operating near ElaraSat in orbit. The Sojitz and Transcelestial evidence available here is limited to titles on Gilmour Space's own media-release index: an agreement with Sojitz and selection of Transcelestial lasers. None of the retained text identifies who pays Gilmour Space, contract value, production duration, renewal, or a quantified customer outcome. These are valid relationship signals and potential routes to distribution or mission demand, but they should not be counted as three verified revenue customers or as proof of repeat purchase.[CU005, CU006, CU016]

Named customer proof table
Named organizationSegmentDeployment or use caseProduction vs. pilotObserved outcomeLimitation
Starfish SpaceIn-orbit technology partnerOtter Pup 2 rendezvous and proximity operations around ElaraSatOn-orbit partner mission; paying-customer status unknownAcquisition completed and controlled operation reported within 1 kmNo contract value, payment, duration, or renewal evidence
Sojitz CorporationCommercial or channel relationshipAgreement announced on Gilmour Space's release indexUnknownRelationship announcement onlyRetained text does not provide scope, deployment, economics, or outcome
TranscelestialTechnology supplier or integration partnerLaser communications selection announced on Gilmour Space's release indexUnknownSelection announcement onlyRetained text does not establish a customer purchase or deployed service

This is a sample of named relationships visible in the assigned evidence pool, not an exhaustive customer list; partner status is not treated as proof of customer payment.

[CU005, CU006, CU016]

6.4 Durability, expansion, and concentration remain unobservable

The retained source set provides no customer count, NRR, GRR, churn, renewal rate, contract duration, satisfaction measure, contracted launch backlog, customer revenue, top-customer share, or counterparty-level commercial terms. That is a limitation of the available evidence, not proof that Gilmour Space has no contracts or repeat demand. LinkedIn's 46,334 followers indicate audience reach, but followers are not customers and should not be used as an adoption denominator. Likewise, financing confidence after the first launch attempt and a supplier-directory profile do not demonstrate customer conversion. Underwriting durability requires a contract-level schedule separating paid missions, deposits, letters of intent, pilots, and partner agreements, together with cohort renewal and concentration data. Until then, the customer journey can only be shown as an evidence-maturity path with explicit gaps at contracting, production launch, renewal, and expansion.[CU007, CU008, CU012, CU013, CU014, CU015]

FU001: Customer evidence-maturity journey

The available evidence reaches technical qualification and a named partner mission, but leaves commercial contracting, production launch, renewal, and expansion largely unverified.

Ordered stages show evidence maturity, not a measured conversion funnel or verified customer process; no conversion rates are inferred.

[CU002, CU004, CU006, CU009, CU010, CU016]

6.5 Exhibits

Chapter 07

07Risks

7.1 Flight reliability and operational exposure

Eris has crossed the threshold from ground development into flight, but it has not yet demonstrated orbital reliability. Independent accounts report that TestFlight1 returned to the ground about 14 seconds after liftoff. The company's subsequent investigation attributes the mission loss to two independent failure modes in the oxidiser-pump subsystem: one first-stage motor lost thrust about nine seconds after ignition and another showed similar behaviour around 17 seconds. The disclosed faults involved pump motors and inverters, including externally sourced components. This is therefore both a design-qualification risk and a supplier-interface risk, not merely an isolated launch operations issue. Earlier fairing separation from electrical backfeed and repeated weather and operational delays add evidence of systems-integration and cadence risk. Gilmour says design, qualification, and process improvements are being implemented, but the assigned evidence does not show completed requalification or a successful repeat flight. A clean TestFlight2 that closes the pump findings is the central technical de-risking gate.[CR001, CR002, CR003, CR004, CR005, CR006, CR016]

Operational, quality, and security risk register
Failure modeEvidence and likelihoodSeverityMitigation maturityResidual exposureUnresolved gap or monitor
Oxidiser-pump motor or inverter failureDemonstrated in TestFlight1CriticalDesign, qualification, and process improvements stated; completion not evidencedRepeat loss of thrust and vehicleQualification reports, integrated-stage testing, and successful flight through prior failure window
Electrical integration and backfeedPremature fairing separation occurred during May 2025 launch preparationHighImmediate issue was fixed; broader recurrence evidence unavailablePad delay or mission loss from unexpected electrical interactionSystem-level fault-injection, power-isolation, and regression-test evidence
Launch cadence and weather sensitivityCampaign moved through cyclone, wind, and operational delaysHighPrior campaign completed; repeatable cadence unprovenRevenue and customer milestones slip with each windowTested turnaround plan, weather assumptions, and schedule reserve
Critical supplier interfaceExternally sourced components were among affected pump-system hardwareHighSupplier-specific remediation and alternates undisclosedLong-lead redesign, requalification, or recurring defectSupplier identity, escape analysis, second source, inventory, and acceptance testing
Integrated scale-upA$75 million NRFC investment targets rocket, satellite, manufacturing, and spaceport expansionMediumCapital committed; operating execution not demonstratedSimultaneous facility, workforce, and vehicle scale strains quality systemsYield, non-conformance, rework, staffing, and test-throughput metrics

Severity and likelihood are analyst assessments tied to the cited incidents and stated remediation; no probability percentages are implied, and mitigation maturity remains limited by unavailable qualification records.

[CR001, CR002, CR003, CR004, CR005, CR006, CR013]
FR001: Residual risk heatmap

Demonstrated technical failures dominate current residual risk; licensing, suppliers, cadence, and runway remain high because control effectiveness is not publicly evidenced.

Ordinal labels summarize cited evidence and explicit gaps; they are not probabilities, benchmark scores, or independently verified control ratings.

[CR001, CR003, CR004, CR005, CR006, CR007, CR012, CR014, CR015, CR016]

7.2 Regulatory, legal, and safety exposure

Bowen is not an unlicensed concept site: Gilmour reports a facility licence in March 2024, a launch permit in November 2024, and approval of a flight management plan in July 2025. Independent reporting also describes CASA approval in late April 2025 and final Australian Space Agency sign-off on May 13, 2025 for the maiden flight. Those milestones reduce site-establishment risk but do not make future missions permissionless; the first orbital campaign itself showed that regulatory sequencing can move a schedule. After TestFlight1, Gilmour said its final investigation report was submitted to the Australian Space Agency with the Office of the Space Regulator. The company also lists ISO 9001, ISO 14001, and ISO 45001 certifications and said the anomaly caused no injuries or adverse environmental impacts. These are positive controls, but the retained pool does not independently establish certification scope, current mission-specific permit conditions, insurance adequacy, litigation status, environmental enforcement history, or regulator acceptance of corrective actions. Those omissions remain diligence items rather than evidence that no exposure exists.[CR002, CR007, CR008, CR011]

Regulatory / legal risk register
Rule, licence, or exposureJurisdictionEvidence statusLikelihoodSeverityMitigationResidual exposure and diligence path
Orbital launch facility licenceAustralia / QueenslandCompany reports March 2024 facility licence; NRFC describes Bowen as licensedLow near-term revocation evidence; renewal scope unknownCriticalLicensed facility and completed first campaignVerify licence currency, conditions, insurance, and change-control obligations with the regulator
Mission launch permit and flight management approvalsAustraliaNovember 2024 permit and July 2025 flight-management approval reported; maiden-flight sign-off followed in May 2025Medium schedule riskHighPrior approval pathway is establishedObtain TestFlight2 permit milestones, open conditions, and regulator correspondence
TestFlight1 anomaly reporting and corrective-action acceptanceAustraliaCompany says final report was submitted to the Australian Space Agency and Office of the Space RegulatorMediumCriticalInvestigation completed and improvements statedReview the regulator-accepted report, closure evidence, and any restrictions on return to flight
Safety, environmental, litigation, IP, and insurance exposureAustralia and mission counterpartiesCompany reported no injuries or adverse environmental impacts; wider legal status is not establishedUnknownHighISO certifications and designated safety area are stated controlsRun regulator, court, patent, environmental, and insurance diligence; absence from this pool is not proof of no exposure

Partial public-evidence register as of 2026-10-21; permit scope, corrective-action acceptance, insurance, litigation, IP, and environmental enforcement require primary regulator or legal documents.

[CR002, CR007, CR008, CR011]

7.3 Supplier, capital, and partner dependencies

The supply chain is broad and at least one disclosed failure path crossed the make-versus-buy boundary. The National Reconstruction Fund Corporation says Gilmour relies on hundreds of Australian suppliers, while the flight investigation identified externally supplied components among the affected pump motors and inverters. Neither source names the supplier, alternative qualification status, lead time, or concentration, so resilience cannot be inferred from supplier count alone. Capital dependence is also material. The NRFC committed A$75 million for Eris development, manufacturing scale-up, and Bowen expansion, and two government sources describe a A$217 million Series E led by NRFC and Hostplus. Funding raised is not cash available: the evidence does not disclose burn, current cash, runway, launch-unit economics, remaining infrastructure commitments, or financing conditions. Investors should therefore treat financing as capacity to execute an expensive plan, not proof that the plan is fully funded through reliable commercial operations.[CR003, CR012, CR013, CR014, CR015]

Partner and dependency risk register
DependencyCounterparty or roleConcentration evidenceFailure scenarioSeverityMitigationResidual exposure
Pump motors and invertersUnnamed external supplier componentsNot disclosedDefect recurrence or requalification delay blocks return to flightCriticalDesign and qualification changes are statedNo supplier, alternate-source, or closure evidence in the assigned pool
Broader manufacturing supply chainHundreds of Australian suppliers reported by NRFCSupplier count disclosed; spend and sole-source shares are notLong-lead part or quality escape constrains cadenceHighDomestic network and scale-up capitalBreadth does not establish substitutability or inventory resilience
Launch authorizationAustralian Space Agency, Office of the Space Regulator, and CASAMandatory approval pathCorrective-action or mission approval delays TestFlight2HighFirst campaign established an approval pathwayFuture permit conditions and anomaly-closure acceptance remain unavailable
Expansion capitalNRFC, Hostplus, and Series E syndicateA$217 million round announced; current liquidity undisclosedCapital runs short before orbital reliability and revenue cadenceHighLarge new equity round and A$75 million NRFC participationFunding raised is not cash available; burn, runway, commitments, and terms are gaps
Commercial launch demandCommercial, government, and defence customersNo revenue-bearing backlog or customer concentration disclosed in retained sourcesDelayed reliability proof pushes customers to alternate launch providersHighIntegrated vehicle, satellite, and licensed-spaceport offeringContract firmness, deposits, cancellation rights, and customer concentration require diligence

The register distinguishes disclosed dependencies from unsupported concentration assumptions; null concentration data and undisclosed financing terms remain explicit gaps.

[CR003, CR007, CR012, CR013, CR014, CR015]

7.4 Monitoring, mitigations, and thesis-breaks

Monitoring should focus on evidence that converts stated remediation into demonstrated reliability. Before the next launch, diligence should obtain the regulator-accepted anomaly report, root-cause closure matrix, redesigned pump and inverter qualification results, supplier change-control records, integrated-stage test results, and the mission-specific permit path. During TestFlight2, the minimum technical proof is stable first-stage thrust through the prior failure window, nominal guidance and separation behaviour, and safe completion within the licensed envelope. After flight, the investment case requires a credible cadence plan, contracted customer milestones, and a cash runway that absorbs another test failure without emergency financing. A repeat pump or integration failure, regulator refusal or material delay after corrective-action review, inability to qualify alternate critical suppliers, or runway exhaustion before orbital proof would break the near-term thesis. Conversely, a safe, regulator-cleared repeat flight with disclosed corrective-action closure would materially reduce the dominant risk, although it would not by itself establish commercial economics.[CR003, CR004, CR007, CR009, CR010, CR012, CR014, CR015, CR016]

7.5 Exhibits

Chapter 08

08Valuation

8.1 Recommendation and entry discipline

The recommendation is research-more rather than invest at the currently reported mark. Multiples lists a $721 million valuation in May 2026, while independent and investor sources corroborate a large Series E but do not provide the cap table, preference stack, revenue, cash burn, runway, or unit economics required for a preference-adjusted return model. Strategic financing validates institutional willingness to fund the sovereign-space mission; it does not establish that the entry price compensates for technical and commercialization risk. Confidence is medium because financing and operating milestones are visible, but the most decision-critical economics remain private. Entry discipline should therefore require verified financing terms, a current financial model, and milestone-based pricing rather than relying on an isolated third-party valuation estimate.[CV001, CV002, CV003, CV004, CV008, CV012]

Recommendation summary
DimensionAssessmentDecision implication
RecommendationResearch moreDo not invest without milestone and private-data diligence
ConfidenceMediumFinancing and technical events are visible but economics are not
Risk ratingHighOrbital reliability and commercial cadence remain unproven
Valuation stanceStretched and insufficiently supportedTreat the reported mark as context rather than an underwritten price

Assessments are analyst judgments based only on the retained sources; no current cap table, security terms, revenue, burn, runway, or unit-economics package was available.

[CV001, CV002, CV004, CV005, CV006, CV008, CV012]

8.2 Thesis, anti-thesis, and proof burden

The thesis is that Gilmour has assembled scarce Australian infrastructure: an integrated launch vehicle, satellite platform, and licensed orbital spaceport, supported by public and institutional capital. ElaraSat's reported on-orbit operation provides a concrete satellite proof point, and the Series E is earmarked for Eris development, manufacturing scale, and spaceport expansion. The anti-thesis is equally material. The first Eris attempt crashed after roughly 14 seconds, leaving orbital insertion, reliability, cadence, and launch economics unproven. A large capital raise can extend the qualification program, but it may also precede further dilution if repeated tests or delays consume capital before revenue-bearing launch cadence emerges. The investment case should move only when technical proof and commercial evidence improve together.[CV005, CV006, CV009, CV010, CV011, CV013, CV015]

Thesis and anti-thesis
LensEvidence-backed argumentWhat would change the view
ThesisIntegrated launch vehicle satellite platform and licensed spaceport create a scarce sovereign-capability positionSuccessful orbital missions with contracted customer conversion
ThesisSeries E capital supports Eris qualification manufacturing scale and spaceport expansionEvidence that spending produces reliable cadence and attractive mission economics
Anti-thesisThe first Eris attempt ended after about 14 seconds without reaching orbitRepeatable orbital insertion and an independently reviewed reliability plan
Anti-thesisFinancial and preference inputs needed to price dilution and returns are absentFull cap table financing documents and a current operating model

This is a bounded thesis map, not an exhaustive risk register; financing use is sourced to investors, while future commercial and technical outcomes remain conditional.

[CV005, CV006, CV009, CV010, CV011, CV013, CV015]

8.3 Scenarios and comparable context

Public-company revenue multiples are context rather than a valuation answer. The retained market-data source lists a wide range across businesses with different product mixes, maturity, margins, and capital structures; Gilmour has no verified revenue denominator in the assigned evidence, so applying those multiples would create false precision. The bull case requires orbital success followed by evidence of contracted, economically attractive missions. The base case assumes continued technical progress under the Series E while postponing price conviction until financial disclosure improves. The bear case is a longer qualification cycle, repeated launch failure, or commercialization delay that consumes the new capital and forces repricing or dilution. None of these cases supports a defensible valuation range or target return without private evidence.[CV002, CV004, CV005, CV007, CV008, CV009, CV013, CV014, CV015]

Bull, base, and bear scenarios
ScenarioExplicit assumptionsValuation and return logicProbability signalDownside trigger
BullOrbital success followed by reliable cadence and verified revenue-bearing missionsRe-underwrite after milestones; no defensible range before revenue and financing terms are disclosedOrbital insertion plus contracted commercial conversionQualification success does not convert into economic launch demand
BaseSeries E funds continued qualification and manufacturing progress but commercial proof remains limitedDefer price conviction and use milestone-conditioned entry termsTransparent test progress cash runway and backlog disclosureSchedule slippage consumes runway before cadence
BearFurther flight failure or delay requires additional capital before commercial scaleDownside cannot be bounded from public evidence and capital impairment is plausibleRepeated technical setbacks or near-term financing needDown round punitive preferences or loss of customer commitments

Scenario values and probabilities are intentionally not quantified because the assigned evidence lacks revenue, margin, cash-flow, cap-table, preference, and reliable exit inputs.

[CV002, CV005, CV008, CV009, CV013, CV014, CV015]

8.4 Decision gates, exit readiness, and final diligence

Exit readiness is low because the retained sources establish neither a public-market timetable nor transaction evidence, and they do not disclose the financial profile needed to test strategic or public comparables. The next underwriting gate is not another funding headline; it is a package of evidence connecting flight reliability to revenue, margin, cash consumption, and contractual backlog. Required diligence includes Series E documents, the fully diluted cap table, liquidation preferences, monthly burn and runway, launch and satellite backlog, cancellation terms, per-mission contribution economics, and the current Eris qualification plan. A successful orbital flight plus verified commercial conversion would improve the view. Repeated failures, material schedule slippage, or a financing need before commercial cadence would break the thesis and should halt entry.[CV006, CV008, CV012, CV013, CV014, CV015]

FV001: Recommendation logic

Capital and integrated infrastructure create option value, but launch and financial proof remain prerequisites to an investable price.

Node / ConnectionNode / fromToContext
Node 1 Strategic capital [strategic-capital]A$217 million Series E provides development capacity.
Node 2 Integrated assets [integrated-assets]Launch vehicle, satellite platform, and licensed spaceport.
Node 3 Satellite proof [satellite-proof]ElaraSat has reported successful on-orbit operation.
Node 4 Launch proof gap [launch-gap]First Eris flight ended after about 14 seconds.
Node 5 Economics gap [economics-gap]Revenue, runway, unit economics, and security terms remain undisclosed.
Node 6 Research more [recommendation]Reprice only after orbital, commercial, and financing-term proof.

The sequence is an analytical decision chain, not a probability-weighted valuation model.

[CV002, CV005, CV010, CV011, CV012, CV015]

8.5 Exhibits

Disclaimer

This report is based on public and prefetched evidence available for the run date and is not investment, legal, tax, or engineering advice.

Evidence index

Claims
IDStatementConfidenceSources
CO001 Gilmour Space was founded on the Gold Coast in 2013 by brothers Adam and James Gilmour. Medium SO002, SO005
CO002 The official site identifies Gold Coast as headquarters and manufacturing and Bowen as the orbital-spaceport location. Medium SO006
CO003 Gilmour markets an integrated offering spanning Eris launch vehicles, ElaraSat satellite buses, and Bowen spaceport operations. High SO004, SO006
CO004 The Series E was reported at A$217 million, approximately US$145 million. High SO001, SO002, SO003, SO004
CO005 Information Age reported that Gilmour's valuation topped $1 billion, but the fetched text did not specify the currency. Medium SO002
CO006 NRFC reports that it invested $75 million and co-led the Series E with Hostplus. High SO001, SO004
CO007 NRFC and Information Age each reported that Gilmour employed more than 220 people. High SO002, SO004
CO008 Information Age reported $142 million of venture funding before the Series E, without specifying currency in the fetched text. Medium SO002
CO009 Eris lifted off in July 2025 but crashed after approximately 14 seconds. High SO002, SO003, SO007, SO008
CO010 Adam Gilmour said apparent engine failure caused the first Eris launch crash. Medium SO008
CO011 NewSpaceTracker reported electrical and thermal faults in pump motors and inverters on two first-stage motors as the TestFlight 1 loss-of-thrust cause. Medium SO003
CO012 Assigned 2026 sources report successful on-orbit operation of Gilmour's 100-kilogram ElaraSat satellite platform. High SO001, SO004
CO013 Bowen is reported as Australia's first licensed commercial orbital launch facility. High SO003, SO004, SO005, SO006
CO014 NewSpaceTracker's September 2026 profile said Gilmour remained committed to another launch attempt in 2026. Medium SO003
CO015 Former NASA Deputy Administrator Pamela Melroy joined Gilmour's board on 2026-06-23. Medium SO003
CO016 The limited public leadership roster implies material key-person dependence on CEO and co-founder Adam Gilmour. Medium SO002, SO003, SO008
CM001 Gilmour defines its core offer as integrated launch-vehicle, satellite-platform, and licensed-spaceport capability. Medium SM003
CM002 Third-party profiles place Gilmour in small-satellite launch services with adjacent satellite-platform capability. Medium SM002, SM005
CM003 Gilmour identifies commercial, government, and defence organizations as customer groups for its integrated capability. Medium SM003
CM004 Gilmour states that global demand for satellite launches is growing while access to orbit remains constrained. Medium SM003
CM005 NewSpace Index lists a $7 million launch cost for Eris. Medium SM001
CM006 NewSpace Index lists Eris performance at 215 kilograms. Medium SM001
CM007 Skybrokers describes Eris as carrying up to about 300 kilograms to low Earth orbit. Low SM005
CM008 NewSpace Index records one Eris launch, with the first launch occurring in 2025. Medium SM001
CM009 Independent reporting says the debut Eris flight ended after about fourteen seconds. Medium SM007, SM008
CM010 Gilmour’s chief executive stated a goal of four rockets per year and eventually more than twelve. Medium SM008
CM011 The National Reconstruction Fund Corporation describes Bowen as Australia’s only spaceport licensed for orbital launch operations. Medium SM006
CM012 The National Reconstruction Fund Corporation identifies Australia’s size and southern-hemisphere location as natural advantages for space access. Medium SM006
CM013 The National Reconstruction Fund Corporation says Gilmour relies on hundreds of Australian suppliers. Medium SM006
CM014 The National Reconstruction Fund Corporation committed $75 million for Eris development, manufacturing scale, and Bowen spaceport expansion. Medium SM006
CM015 Government reporting says Gilmour announced $217 million of Series E private-equity investment to fund development and operating scale. Medium SM004, SM006
CM016 The assigned evidence does not establish a monetary TAM, SAM, SOM, buyer budget, or contracted-demand denominator. Low
CP001 Gilmour presents an integrated Australian offering spanning Eris launch vehicles, the ElaraSat satellite platform, and Bowen spaceport operations for commercial, government, and defence missions. High SP001, SP002, SP007
CP002 NRFC states that Bowen is Australia's first and only spaceport licensed by the Australian Space Agency and other regulators for orbital launch operations. High SP002, SP006
CP003 Eris TestFlight1 flew for about 14 seconds and did not reach orbit. High SP004, SP005, SP008
CP004 In October 2025, management said Gilmour planned further launch attempts in 2026. Medium SP004
CP005 Gilmour's 100-kilogram ElaraSat satellite bus successfully operated on orbit after launch on a U.S. rideshare mission. High SP001, SP002, SP006
CP006 Gilmour announced A$217 million of Series E private-equity investment in January 2026. High SP001, SP002, SP006
CP007 Gilmour and NRFC reported a workforce above 220 people and reliance on hundreds of Australian suppliers. High SP001, SP002, SP006
CP008 SetterVC's caveated competitor sample names Rocket Lab, Firefly Aerospace, Isar Aerospace, Orbex, and PLD Space as comparable small-launch providers or developers. Medium SP003
CP009 None of the eight assigned sources reviewed discloses a comparable list price, realized contract price, discount schedule, or service-level commitment for Gilmour and the named peers. Medium SP001, SP002, SP003, SP004, SP005, SP006, SP007, SP008
CP010 Gilmour markets both dedicated-launch and rideshare mission paths to satellite and payload customers. Medium SP003, SP007
CP011 Gilmour's reported need for 24 Queensland permits plus environmental and airspace approvals indicates a material regulatory setup burden for orbital launch infrastructure. Medium SP004
CP012 The Australian Financial Review attributed the short first flight to suspected engine failure while reporting that investors still expected a fresh capital raise. Medium SP008
CP013 The announced Series E proceeds were designated for Eris qualification, rocket and satellite manufacturing, test and launch infrastructure, and workforce expansion. High SP001, SP002, SP006
CP014 Gilmour's integrated stack may reduce mission coordination, but its durability as a moat depends on proving reliable and repeated orbital launch performance. Medium SP001, SP003, SP004, SP006, SP007
CP015 The assigned evidence is insufficient to compare firm backlog, launch cadence, schedule guarantees, exclusivity, switching costs, or realized unit economics across Gilmour and named peers. Medium SP001, SP002, SP003, SP004, SP005, SP006, SP007, SP008
CP016 On an evidence-constrained ordinal map, Gilmour ranks high on documented offering breadth but below providers described as flying orbital launch vehicles on launch maturity. Medium SP003, SP004, SP005, SP007
CI001 Gilmour Space markets an integrated offer spanning launch vehicles, a satellite platform, spaceport operations, and hypersonic flight services. High SI003, SI004
CI002 The company targets commercial, government, and defence mission customers. High SI003, SI004
CI003 The retained official pages describe mission options but do not state list prices, discount schedules, or standard contract terms. Medium SI004, SI008
CI004 EquityZen lists Gilmour Space revenue and financial information as content requiring investor sign-up rather than displaying the figures publicly. Medium SI002
CI005 NRFC reports a A$75 million investment intended for Eris development, manufacturing scale, and Bowen spaceport expansion. Medium SI003
CI006 NRFC reports that Gilmour Space raised A$217 million in its Series E round. Medium SI003
CI007 SpaceNews reported a A$55 million Series D intended to support manufacturing, testing, and initial rocket and satellite launches. Medium SI001
CI008 The first Eris flight remained airborne for about 14 seconds, did not reach orbit, and was attributed by the chief executive to apparent engine failure. High SI005, SI006, SI007
CI009 The chief executive stated a target of four launches per year and eventually more than twelve. Medium SI007
CI010 The chief executive described a sequence in which the next rocket would aim for orbit and a later rocket would carry a commercial satellite. Medium SI007
CI011 AFR reported that investors expected more than A$100 million of fresh capital despite the first launch failure. Medium SI006
CI012 The disclosed use of funds indicates that capital must support rocket development, satellite and rocket manufacturing, and spaceport infrastructure before repeatable service. Medium SI001, SI003, SI004
CI013 The retained evidence does not disclose unrestricted cash, monthly burn, debt obligations, gross margin, or runway. Medium SI002, SI003, SI004, SI008
CI014 The retained evidence does not quantify recognized launch revenue, contracted backlog value, realized pricing, or customer concentration. Medium SI002, SI004, SI008
CI015 NRFC reports more than 220 employees and reliance on hundreds of Australian suppliers. Medium SI003
CI016 The official site directs prospective payload customers toward mission-specific assessment rather than a self-service purchase flow. Medium SI004
CE001 Gilmour presents Eris, ElaraSat, Bowen Orbital Spaceport, and Hyperflight as an integrated product and service portfolio. Medium SE003
CE002 Eris is described as a three-stage launch vehicle using hybrid main propulsion with liquid oxidiser and a solid fuel grain. Medium SE001, SE008
CE003 The current supplier-derived Eris specification is approximately 305 kilograms to a 500-kilometre sun-synchronous orbit. Medium SE001
CE004 Eris TestFlight1 flew for about 14 seconds in July 2025 and did not reach orbit. High SE004, SE006, SE007
CE005 Chief executive Adam Gilmour said an apparent engine failure caused the TestFlight1 crash. Medium SE007
CE006 An electrical feedback event during shutdown unintentionally activated Eris-1's single-use fairing separation system before launch. Medium SE002
CE007 Bowen Orbital Spaceport is reported as Australia's first and only spaceport licensed for orbital launch operations. Medium SE005
CE008 A 100-kilogram ElaraSat satellite bus was reported operating on orbit after launch on a United States rideshare mission. High SE005, SE008
CE009 Gilmour states that its operations are certified to ISO 9001, ISO 45001, and ISO 14001 standards. Medium SE003
CE010 Government and news sources describe Gilmour's production model as relying on hundreds of Australian suppliers. High SE005, SE008
CE011 TestFlight1 was presented as the first of several flights intended to qualify the vehicle's systems. Medium SE002
CE012 The current supplier-derived roadmap targets Eris TestFlight2 for early 2027. Medium SE001
CE013 A federal Industry Growth Program grant was reported as supporting development of Eris's next-generation liquid rocket engine. Medium SE008
CE014 Control of a launch vehicle, satellite platform, and licensed spaceport is the central public basis for Gilmour's integrated and sovereign-access differentiation. Medium SE003, SE005
CE015 Public product maturity is bifurcated because ElaraSat has reported on-orbit heritage while Eris has not demonstrated orbit. High SE004, SE005, SE007, SE008
CE016 NewSpace Market reported that no public Eris datasheet was available and advised requesting the datasheet or interface control document from the supplier. Medium SE001
CU001 Gilmour Space's current offer spans Eris launch services, the ElaraSat satellite platform, and Bowen Orbital Spaceport for commercial, government, and defence missions. High SU003, SU004
CU002 The company invites satellite or payload customers to assess dedicated launch, rideshare, or other mission options through its launch sales team. Medium SU004
CU003 The NRFC describes Gilmour Space as providing Australian-made launch vehicles and satellite platforms to commercial, government, and defence customers. Medium SU003
CU004 The NRFC reports successful on-orbit operation of the 100 kg ElaraSat satellite bus after a U.S. rideshare launch. Medium SU003
CU005 A Starfish Space update reposted on Gilmour Space's LinkedIn page says Otter Pup 2 completed acquisition and operated under control within one kilometre of ElaraSat. Medium SU002
CU006 Gilmour Space's media-release index lists named relationship announcements involving Starfish Space, Sojitz Corporation, and Transcelestial. Medium SU008
CU007 The eight retained sources disclose no customer count, NRR, GRR, churn, renewal rate, contract duration, or customer satisfaction metric. High SU001, SU002, SU003, SU004, SU005, SU006, SU007, SU008
CU008 The retained sources do not disclose contracted launch backlog, customer revenue, top-customer share, or counterparty-level commercial terms. High SU001, SU002, SU003, SU004, SU005, SU006, SU007, SU008
CU009 ABC reported that Eris TestFlight 1 flew for about 14 seconds before crashing at the launch pad after an apparent engine failure. High SU005, SU006, SU007
CU010 Adam Gilmour told ABC that he hoped the next rocket would reach orbit and the following rocket would carry a commercial satellite. Medium SU007
CU011 Adam Gilmour told ABC that Gilmour Space wanted to reach four launches a year and eventually more than 12. Medium SU007
CU012 Gilmour Space's LinkedIn page showed 46,334 followers on the access date. Medium SU002
CU013 The LinkedIn follower count is an audience indicator, not evidence of paying customers or active deployments. Medium SU002
CU014 The official website routes prospective payload customers to a launch enquiry rather than publishing pricing, lead times, contracted capacity, or conversion data. Medium SU004
CU015 Skybrokers' supplier listing describes commercial satellite launches as a future plan rather than an achieved operating record. Low SU005
CU016 The named Starfish, Sojitz, and Transcelestial announcements establish relationship evidence but do not, in the retained text, establish paying-customer status, contract value, production duration, or renewal. Medium SU002, SU008
CR001 Eris TestFlight1 returned to the ground about 14 seconds after liftoff without reaching orbit. High SR002, SR004, SR005, SR008
CR002 Gilmour Space's investigation says one first-stage motor lost thrust about nine seconds after ignition and a second showed similar behaviour around 17 seconds. Medium SR001
CR003 The company identified two independent oxidiser-pump failure modes involving electrical and thermal faults in pump motors and inverters, including externally sourced components. Medium SR001
CR004 Gilmour Space says it is evaluating and implementing design, qualification, and process improvements, but the assigned evidence does not document completed requalification. Medium SR001
CR005 Eris payload fairings separated prematurely during May 2025 launch preparation after an electrical backfeed or power-surge event. High SR002, SR004
CR006 Cyclone, wind limits, operational delays, and technical issues repeatedly moved the maiden-launch schedule before TestFlight1 occurred. High SR002, SR004
CR007 Independent reporting says the maiden campaign received CASA approval in late April 2025 and final Australian Space Agency sign-off on May 13, 2025. High SR002, SR003
CR008 Gilmour Space reports a March 2024 facility licence, a November 2024 launch permit, and July 2025 approval of its flight management plan. Medium SR003
CR009 Gilmour Space's current company page targets Eris TestFlight2 for early 2027. Medium SR003
CR010 The current early-2027 TestFlight2 target is later than the CEO's July 2025 aspiration to launch the second rocket within months. Medium SR003, SR008
CR011 Gilmour Space lists ISO 9001, ISO 14001, and ISO 45001 certifications, while company representatives said TestFlight1 caused no injuries or adverse environmental impacts. Medium SR003, SR004, SR007
CR012 NRFC reports that Gilmour Space relies on hundreds of Australian suppliers. Medium SR006
CR013 NRFC's A$75 million investment is intended for Eris development, manufacturing scale-up, and expansion of the Bowen spaceport. Medium SR006
CR014 Government sources describe a A$217 million private-equity Series E led by NRFC and Hostplus. High SR006, SR009
CR015 Public evidence retained for this chapter does not disclose current cash, burn, runway, launch-unit economics, supplier concentration, or remaining infrastructure commitments. Low
CR016 The principal near-term de-risking gate is a regulator-cleared TestFlight2 that demonstrates closure of the disclosed pump and integration failures. Medium SR001, SR003, SR004
CV001 The available evidence supports a research-more recommendation because financing capacity is visible but orbital reliability and valuation inputs remain unresolved. Medium SV001, SV002, SV007, SV008
CV002 Gilmour Space's Series E raised A$217 million according to Aviation Week, NRFC, and QIC. High SV002, SV003, SV004
CV003 NRFC reports that it made a $75 million investment in Gilmour Space. Medium SV003
CV004 Multiples lists Gilmour Space at a $721 million valuation as of May 2026. Medium SV001
CV005 The first Eris test flight lasted about 14 seconds and did not reach orbit. High SV005, SV007, SV008
CV006 The first-flight outcome leaves reliable orbital insertion and commercial launch cadence unproven. Medium SV005, SV007, SV008
CV007 Multiples lists revenue multiples of 1.1x for York Space Systems, 5.1x for BlackSky, and 12.2x for Creotech Instruments. Medium SV001
CV008 The assigned valuation evidence provides no verified Gilmour revenue figure, so the cited revenue-multiple comparables cannot produce an underwritten enterprise value. Medium SV001, SV003, SV004
CV009 NRFC and QIC state that the Series E capital supports Eris development, manufacturing scale-up, and Bowen spaceport expansion. High SV003, SV004
CV010 Gilmour Space describes an integrated capability spanning its Eris launch vehicle, ElaraSat satellite platform, and licensed Bowen spaceport. Medium SV006
CV011 NRFC and QIC report successful on-orbit operation of Gilmour Space's 100-kilogram ElaraSat satellite bus. High SV003, SV004
CV012 No retained financing source discloses Series E security terms or fully diluted ownership, preventing a preference-adjusted entry-price and target-return model. Medium SV001, SV002, SV003, SV004
CV013 A bull case requires successful orbital flight and evidence that launch and satellite capacity converts into revenue-bearing missions. Medium SV003, SV006, SV008
CV014 A base case assumes Series E-funded technical progress while keeping valuation contingent on commercial and financial disclosure. Medium SV002, SV003, SV004, SV008
CV015 A bear case is triggered by further launch failure or delay that consumes capital before commercial cadence is demonstrated. Medium SV003, SV007, SV008
Sources
IDPublisherTitleQuote
SO001 CompositesWorld Gilmour Space secures $145 million Australian investment to scale sovereign space capability The Series E round was jointly led by the National Reconstruction Fund Corp. (NRFC) and Hostplus, with participation from Future Fund, Blackbird, Funds SA, Hesta, NGS Super, Main Sequence, QIC and Brighter Super.
SO002 Information Age / Startup Daily Australia's Gilmour Space rockets to unicorn status Gilmour Space Technologies has banked $217 million in a Series E funding round to reach unicorn status, with the Queensland rocket builder’s valuation topping $1 billion.
SO003 NewSpaceTracker Gilmour Space — Profile, Funding, Leadership & News Former NASA Deputy Administrator Pamela Melroy joins Gilmour Space's board of directors on 23 June.
SO004 National Reconstruction Fund Corporation Gilmour Space Technologies The NRFC has made a $75 million investment in Gilmour Space Technologies (Gilmour Space), which the company will use to further develop its Eris orbital rocket technology, scale its satellite and rocket manufacturing, and expand its spaceport in Bowen, North Queensland.
SO005 Skybrokers Gilmour Space Technologies The company was founded in 2013 on the Gold Coast, Australia, by brothers Adam and James Gilmour, with the goal of creating a sovereign Australian capability for building, launching, and operating rockets and satellites.
SO006 Gilmour Space Technologies Gilmour Space Technologies | Launching rockets and satellites to orbit from Australia Gilmour Space is Australia's leading space technology company, building and operating an integrated launch vehicle, satellite platform and spaceport capability to provide flexible access to orbit for Commercial, Government and Defence customers worldwide.
SO007 Australian Financial Review Australia’s attempt at entering space race lasts less than 30 seconds Gilmour Space investors said the start-up was on track to raise more than $100 million in fresh capital despite its first attempt to launch an Australian-made rocket into orbit being cut short by suspected engine failure, sending the spacecraft crashing back to the ground just seconds after lift-off.
SO008 ABC News Aussie rocket launch deemed a success despite crash after 14 seconds The 23-metre orbital rocket flew for about 14 seconds before crashing at its launch pad near Bowen, 1,000 kilometres north of Brisbane.
SM001 NewSpace Index Gilmour Space - Launcher Launch cost $7M Cost per kg 32560 $/kg Performance 215 kg
SM002 Wikipedia Gilmour Space Technologies The maiden flight of **Eris Block 1** ... took place on 30 July 2025 from **Bowen Orbital Spaceport** ... resulting in failure after 14 seconds of flight.
SM003 Gilmour Space Technologies Gilmour Space Technologies | Launching rockets and satellites to orbit from Australia Global demand for satellite launches continues to grow, but access to orbit remains highly constrained.
SM004 Australian Space Agency Gilmour secures $217 million in private investment Proceeds from the raise will be used to support continued development and qualification of its Eris orbital launch vehicle, which attempted the first launch of an Aussie made rocket into orbit from Australian soil in July 2025.
SM005 Skybrokers Gilmour Space Technologies Gilmour Space is best known for its Eris orbital rocket, a three-stage launch vehicle designed to deliver up to about 300 kg of payload to Low Earth Orbit (LEO) for small satellite missions.
SM006 National Reconstruction Fund Corporation Gilmour Space Technologies Australia’s size and geographic location in the southern hemisphere provide natural advantages for accessing space.
SM007 Australian Financial Review Australia’s attempt at entering space race lasts less than 30 seconds Gilmour Space investors said the start-up was on track to raise more than $100 million in fresh capital despite its first attempt to launch an Australian-made rocket into orbit being cut short by suspected engine failure, sending the spacecraft crashing back to the ground just seconds after lift-off.
SM008 ABC News Aussie rocket launch deemed a success despite crash after 14 seconds "We want to get up four rockets a year and then eventually more than 12 rockets a year," he said.
SP001 Gilmour Space Technologies Gilmour Space secures major Australian investment to scale sovereign space capability Gilmour Space's milestones include Australia's first sovereign orbital launch attempt from home soil, the successful on-orbit operation of its 100-kilogram ElaraSat satellite platform, and the establishment of the country's first licensed commercial orbital launch facility in North Queensland.
SP002 National Reconstruction Fund Corporation NRFC to invest $75 million in Gilmour Space Technologies to help advance Australia's sovereign space capability Its Bowen spaceport is the first and only spaceport in Australia to have been licensed by the Australian Space Agency and other regulators for orbital launch operations.
SP003 SetterVC Gilmour Space Technologies | SetterVC Competitor list is illustrative and may be incomplete, stale, or erroneous.
SP004 Space.com Australia's Gilmour Space 'not going to give up' as it eyes 2nd orbital launch attempt in 2026 Gilmour Space launched its first Eris rocket on July 29 from the Bowen Orbital Spaceport in coastal Queensland, but the rocket fell to Earth just 14 seconds after liftoff.
SP005 Skybrokers Gilmour Space Technologies - Skybrokers The rocket lifted off from the pad and flew for about 14 seconds, providing valuable engineering data for future flights despite not reaching orbit.
SP006 National Reconstruction Fund Corporation Gilmour Space Technologies | National Reconstruction Fund Corporation The NRFC has made a $75 million investment in Gilmour Space Technologies (Gilmour Space), which the company will use to further develop its Eris orbital rocket technology, scale its satellite and rocket manufacturing, and expand its spaceport in Bowen, North Queensland.
SP007 Gilmour Space Technologies Gilmour Space Technologies | Launching rockets and satellites to orbit from Australia Gilmour Space is Australia's leading space technology company, building and operating an integrated launch vehicle, satellite platform and spaceport capability to provide flexible access to orbit for Commercial, Government and Defence customers worldwide.
SP008 Australian Financial Review Australia's attempt at entering space race lasts less than 30 seconds Gilmour Space investors said the start-up was on track to raise more than $100 million in fresh capital despite its first attempt to launch an Australian-made rocket into orbit being cut short by suspected engine failure, sending the spacecraft crashing back to the ground just seconds after lift-off.
SI001 SpaceNews Launch vehicle startup Gilmour Space raises $36 million Australian startup Gilmour Space Technologies has raised $55 million Australian dollars ($36 million) in a Series D funding round announced Feb. 19.
SI002 EquityZen Invest In Gilmour Space Technologies Stock Gilmour Space Technologies Revenue and Financials
SI003 National Reconstruction Fund Corporation Gilmour Space Technologies The NRFC has made a $75 million investment in Gilmour Space Technologies (Gilmour Space), which the company will use to further develop its Eris orbital rocket technology, scale its satellite and rocket manufacturing, and expand its spaceport in Bowen, North Queensland.
SI004 Gilmour Space Technologies Gilmour Space Technologies | Launching rockets and satellites to orbit from Australia Gilmour Space is Australia's leading space technology company, building and operating an integrated launch vehicle, satellite platform and spaceport capability to provide flexible access to orbit for Commercial, Government and Defence customers worldwide.
SI005 Skybrokers Gilmour Space Technologies The rocket lifted off from the pad and flew for about 14 seconds, providing valuable engineering data for future flights despite not reaching orbit.
SI006 Australian Financial Review Australia's attempt at entering space race lasts less than 30 seconds Gilmour Space investors said the start-up was on track to raise more than $100 million in fresh capital despite its first attempt to launch an Australian-made rocket into orbit being cut short by suspected engine failure, sending the spacecraft crashing back to the ground just seconds after lift-off.
SI007 ABC News Australia Aussie rocket launch deemed a success despite crash after 14 seconds "We want to get up four rockets a year and then eventually more than 12 rockets a year," he said.
SI008 Gilmour Space Technologies Media Releases Gilmour Space secures major Australian investment to scale sovereign space capability
SE001 NewSpace Market Eris Eris is Gilmour Space Technologies’ orbital launch vehicle, designed to carry approximately 305 kg to sun-synchronous orbit at 500 km altitude. The three-stage vehicle uses Gilmour’s hybrid rocket engines (liquid oxidiser with a solid fuel grain) as its main propulsion, a combination that provides the simplicity of solid motors with the throttleability of liquid-fuelled engines.
SE002 Space.com Launch of Australia's 1st orbital rocket, Gilmour Space's Eris-1, delayed again, to July 27 Eris-1's payload fairing system was triggered when neighboring components created a feedback charge during a routine vehicle shutdown that engaged the single-use deployment protocols and ejected the protective shell from the launch vehicle.
SE003 Gilmour Space Technologies Gilmour Space Technologies | Launching rockets and satellites to orbit from Australia Backed by major Australian investors, Gilmour Space is developing end-to-end access to space with our Eris launch vehicles, ElaraSat satellite platform, and fully licensed spaceport operations in North Queensland — enabling more frequent and flexible commercial, government & defence missions from Australia.
SE004 Skybrokers Gilmour Space Technologies The rocket lifted off from the pad and flew for about 14 seconds, providing valuable engineering data for future flights despite not reaching orbit.
SE005 National Reconstruction Fund Corporation Gilmour Space Technologies Gilmour Space conducted the first test flight of an Australian-developed orbital launch vehicle in July 2025, and has demonstrated its satellite capability through the successful on-orbit operation of its 100kg ElaraSat satellite bus, which was launched on a U.S. rideshare mission last year.
SE006 Australian Financial Review Australia's attempt at entering space race lasts less than 30 seconds Gilmour Space investors said the start-up was on track to raise more than $100 million in fresh capital despite its first attempt to launch an Australian-made rocket into orbit being cut short by suspected engine failure, sending the spacecraft crashing back to the ground just seconds after lift-off.
SE007 ABC News Aussie rocket launch deemed a success despite crash after 14 seconds Gilmour Space Technologies CEO Adam Gilmour said it appeared engine failure was to blame for the rocket's crash.
SE008 Startup Daily Gilmour Space is hoping this week is finally their chance to make history with a test flight of its Australian-made Eris rocket In June, the Gilmour Space-built ElaraSat, 100kg multi-mission satellite (MMS) “bus” (aka platform) went into orbit thanks to a SpaceX mission from California.
SU001 SatNews (syndicated Gilmour Space release) Gilmour Space Technologies' giant leap for Australia's space capability with successful first test launch of Eris rocket It is the next step in Gilmour’s mission to provide low-cost, responsive launch services for small satellites — a capability in growing demand globally.
SU002 Starfish Space via Gilmour Space Technologies LinkedIn repost Gilmour Space Technologies This is not a flyby. Otter Pup 2 is staying close, making it one of only a small number of free-flying spacecraft in history to operate under control within 1 km of another spacecraft.
SU003 National Reconstruction Fund Corporation Gilmour Space Technologies Gilmour Space conducted the first test flight of an Australian-developed orbital launch vehicle in July 2025, and has demonstrated its satellite capability through the successful on-orbit operation of its 100kg ElaraSat satellite bus, which was launched on a U.S. rideshare mission last year.
SU004 Gilmour Space Technologies Gilmour Space Technologies | Launching rockets and satellites to orbit from Australia Gilmour Space is Australia's leading space technology company, building and operating an integrated launch vehicle, satellite platform and spaceport capability to provide flexible access to orbit for Commercial, Government and Defence customers worldwide.
SU005 Skybrokers (supplier listing) Gilmour Space Technologies Future plans include additional Eris rocket test flights, commercial satellite launches, and expansion of its integrated space ecosystem.
SU006 Australian Financial Review Australia's attempt at entering space race lasts less than 30 seconds Gilmour Space investors said the start-up was on track to raise more than $100 million in fresh capital despite its first attempt to launch an Australian-made rocket into orbit being cut short by suspected engine failure, sending the spacecraft crashing back to the ground just seconds after lift-off.
SU007 ABC News Aussie rocket launch deemed a success despite crash after 14 seconds Mr Gilmour said he hoped the next rocket would go into orbit, and the next after that would take up a commercial satellite.
SU008 Gilmour Space Technologies Media Releases Gilmour Space to Support Starfish Space’s On-Orbit Docking Mission ... Gilmour Space selects Transcelestial lasers to unlock high speed satellite communications for the AI-era ... Gilmour Space signs agreement with Sojitz Corporation
SR001 Space & Defense Gilmour Space details cause of Eris TestFlight1 failure According to Gilmour Space, the investigation found that about nine seconds after ignition, one of the four first-stage hybrid rocket motors experienced a loss of thrust.
SR002 NASASpaceFlight Gilmour Space's Eris rocket fails initial test flight from Australia After liftoff at 22:35 UTC on July 29, the vehicle slowly cleared the launch tower and drifted to the side before coming back down to Earth.
SR003 Gilmour Space Technologies About Gilmour Space Early 2027 — Eris TestFlight2 target
SR004 Space.com Australia's 1st orbital rocket, Gilmour Space's Eris, fails on historic debut launch There were no injuries and no "adverse environmental impacts" as a result of the launch anomaly, company representatives said in the statement.
SR005 Skybrokers Gilmour Space Technologies The rocket lifted off from the pad and flew for about 14 seconds, providing valuable engineering data for future flights despite not reaching orbit.
SR006 National Reconstruction Fund Corporation Gilmour Space Technologies Gilmour Space relies on hundreds of Australian suppliers for the components and equipment it uses for its rocket, satellite, and launch services.
SR007 Gilmour Space Technologies Gilmour Space Technologies | Launching rockets and satellites to orbit from Australia Certified to ISO 9001, ISO 45001 and ISO 14001 standards.
SR008 ABC News Aussie rocket launch deemed a success despite crash after 14 seconds The 23-metre orbital rocket flew for about 14 seconds before crashing at its launch pad near Bowen, 1,000 kilometres north of Brisbane.
SR009 Australian Space Agency Gilmour secures $217 million in private investment Gilmour Space Technologies announced it has $217 million in private equity investment to support the next phase of growth in Australia’s domestic space capability.
SV001 Multiples Gilmour Space Technologies Valuation, Funding & Investors Gilmour Space Technologies is currently valued at $721M, based on its Series E in May 2026.
SV002 Aviation Week Australia Leads Gilmour Space Funding Round The Australian government has led an A$217 million ($141 million) funding round for Gilmour Space Technologies aimed at working on the Eris rocket and expanding production capacity.
SV003 National Reconstruction Fund Corporation Gilmour Space Technologies Gilmour Space has raised $217 million as part of its Series E funding round
SV004 QIC Backing Queensland's pathway to orbit as Gilmour Space raises $217 million QIC has reaffirmed its long-standing support for Queensland sovereign space capabilities through its participation in Gilmour Space Technologies’ Series E funding round, which has raised more than A$217 million.
SV005 Skybrokers Gilmour Space Technologies The rocket lifted off from the pad and flew for about 14 seconds, providing valuable engineering data for future flights despite not reaching orbit.
SV006 Gilmour Space Technologies Gilmour Space Technologies | Launching rockets and satellites to orbit from Australia Gilmour Space is Australia's leading space technology company, building and operating an integrated launch vehicle, satellite platform and spaceport capability to provide flexible access to orbit for Commercial, Government and Defence customers worldwide.
SV007 Australian Financial Review Australia's attempt at entering space race lasts less than 30 seconds Gilmour Space investors said the start-up was on track to raise more than $100 million in fresh capital despite its first attempt to launch an Australian-made rocket into orbit being cut short by suspected engine failure, sending the spacecraft crashing back to the ground just seconds after lift-off.
SV008 ABC News Aussie rocket launch deemed a success despite crash after 14 seconds The 23-metre orbital rocket flew for about 14 seconds before crashing at its launch pad near Bowen, 1,000 kilometres north of Brisbane.