Gilmour Space Technologies is an Australian aerospace company and launch provider developing hybrid-propellant rocket engines and the Eris launch vehicle for the small satellite market. Founded in 2012, Gilmour Space aims to provide low-cost access to space from its Bowen Orbital Spaceport in North Queensland. They also intend to offer a ride-sharing service and a modular G-Sat small satellite bus/platform. Gilmour Space's key partners and customers include commercial and defense entities seeking launches to low Earth orbit (LEO).
All verified mentions of this organization in source documents.
Gilmour Space Technologies completed its investigation into the July 2025 in-flight failure of Eris TestFlight1.
Gilmour Space has submitted a final report to the Australian Space Agency in coordination with the Office of the Space Regulator.
Gilmour Space has concluded its investigation into the maiden flight of Eris TestFlight1, Australia’s first orbital rocket.
Gilmour Space is evaluating and implementing design, qualification, and process improvements based on the investigation’s findings.
Gilmour Space is using flight data to update vehicle design and operations for its next planned missions later in 2025.
LatConnect60’s upcoming satellite is being built in Australia with Gilmour Space Technologies.
Gilmour Space raised a $45 million (U.S.) Series E round in January 2026 led by Australia’s National Reconstruction Fund and superannuation investor Hostplus.
Gilmour Space’s total private funding surpassed $217 million (AU) after the January 2026 Series E round.
Gilmour Space is a Queensland-based launch company.
Gilmour Space’s valuation exceeded $1 billion (U.S.) following the January 2026 Series E round.
Gilmour Space is identified as an Australian company involved in national sovereign launch efforts.
Gilmour Space plans to make its satellite bus laser communications enabled by default.
The Transcelestial terminal delivery to Gilmour Space is scheduled for May 2026.
Gilmour Space and Transcelestial plan to explore using optical links to enable satellite-to-satellite connectivity for more resilient, lower-latency constellations.
Gilmour Space and Transcelestial plan to jointly pursue Australian R&D grants for future demonstrator missions and advanced optical networking capabilities.
Mark Grimminck is Head of Satellites at Gilmour Space.
Gilmour Space will collaborate with Transcelestial to fly a Transcelestial laser communications terminal and support an in-orbit demonstration to validate wireless laser communications performance in real operating conditions.
Gilmour Space and Transcelestial plan to explore co-hosting an Optical Ground Station in Queensland.
Gilmour Space links access to space with services such as communications, navigation, climate and environmental monitoring, disaster response, and national security.
The Series E funding round for Gilmour Space was jointly led by the National Reconstruction Fund Corporation and superannuation fund Hostplus with participation from Future Fund, Blackbird, Funds SA, HESTA, NGS Super, Main Sequence, QIC, and Brighter Super.