Space Tech Startups

Forsway develops satellite and network equipment including modulators, IP encapsulators, and routers that extend network capacity and reach, primarily for hybrid internet-over-satellite services.

1 investor

Frontgrade designs and manufactures mission-critical electronics for defense and space applications, including RF systems, microelectronics, and motion control components. The company serves U.S. government and defense contractors with technologies for aerospace, satellite, and military systems.

1 investor

Frontier Space Technologies develops in-space R&D and biomanufacturing platforms that use the microgravity space environment to accelerate biotechnology work. The UK-based company aims to make the space environment more accessible for biotech applications benefiting life on Earth.

1 investor

Frontiers Engineering is a deeptech venture developing space exploration and climate technologies, including direct air capture and nuclear fission-based systems, with stated ambitions ranging from subsea exploration to Mars and exoplanet missions. It positions its work across earth science, energy, and off-world colonization.

1 investor

FrontierSI is a collaborative research and innovation organisation that connects academic, private-sector and government partners to develop and apply space and spatial (geospatial) solutions. It offers advisory, analytics, prototyping, product development and applied research services across sectors including government, environment, resources, property, infrastructure, health and defence, with a focus on Australia and New Zealand.

1 investor

Gate manufactures high-thrust mobility systems for commercial aerospace applications, with in-house production and testing capabilities in Europe.

1 investor

General Astronautics develops robotic systems designed for research and manufacturing applications in microgravity environments.

1 investor

Generation Space is a space investment and management firm that appears to operate through Seraphim Space Manager LLP. The company manages investment vehicles and funds focused on the space sector.

1 investor

GeoOptics develops satellite-based Earth observation instruments and GNSS weather products that provide atmospheric, surface, and subsurface data for environmental monitoring and planning. The company serves researchers, planners, and organizations addressing climate and environmental challenges globally.

1 investor

Get SAT designs compact SATCOM-on-the-move terminals and Ka-band phased array antennas with low size, weight, and power (SWaP) for space-limited applications, and provides bandwidth, integration, training, and post-deployment support. It serves customers needing mobile satellite communication hardware and end-to-end project implementation.

1 investor

The company produces aerospace-grade backshells designed for compatibility with industry-standard military and aerospace connectors, providing cable management, strain relief, and environmental protection for demanding applications.

1 investor

Gimbal Space designs and supplies attitude determination and control system (ADCS) hardware for spacecraft, including reaction wheels, star trackers, and torque rods, as well as custom integrated ADCS systems. It serves satellite and space mission teams looking for reliable, lower-cost GNC components.

1 investor

Gravitics develops orbital carriers, spacecraft modules, and cargo/logistics systems built on a shared 4-meter form factor for rapid, on-demand deployment of mission vehicles. Its products target military, civil, and commercial space missions, including space mobility, emergency response, and missile defense.

1 investor

GRVTY is a national security company delivering capabilities across cyber, space, and spectrum domains. It provides mission and technical expertise to support U.S. defense and deter threats.

1 investor

Guerin develops satellite sub-systems using advanced materials and manufacturing techniques, aiming to enable lower-cost launches of large and complex satellites. The company operates in the space technology sector and focuses on strengthening India's space capabilities.

1 investor

Hawthorn Aero provides high-rate airframe manufacturing, composite tooling, rapid prototyping, and full vehicle integration services for OEM customers in the aerospace and defense sector. The company covers early-stage design-for-manufacturing through full-rate production across 150,000 sq ft of certified facilities.

1 investor

HEICO Corporation is a technology-driven aerospace, defense, industrial and electronics company operating two segments: a Flight Support Group supplying aftermarket aircraft parts and FAA DER repair/overhaul solutions to airlines, OEMs and the U.S. military, and an Electronic Technologies Group designing and manufacturing electro-optical and electronic products for aerospace, defense, space, medical and electronics markets. It is publicly traded (NYSE: HEI, HEI.A).

1 investor

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1 investor

Hexcel manufactures honeycomb and composite materials for aerospace, defense, and industrial applications. The company was founded in the San Francisco Bay Area and has grown into a global supplier of advanced materials.

1 investor

Horizon Technologies is an OEM developing airborne satellite phone monitoring and signals intelligence (SIGINT) systems used to detect and geolocate satellite phone communications. Its products serve military, defense, and maritime surveillance customers, including NATO and government agencies, for applications such as counter-piracy, search and rescue, and maritime domain awareness.

1 investor

SPACE COTAN operates a spaceport in Hokkaido, Japan designed for commercial rocket launches and landings, offering launch trajectories over the sea and clear skies suitable for aerospace operations. The company designs, constructs, and manages launch facilities and ground infrastructure while providing launch support services for orbital and suborbital rockets and spaceplanes.

1 investor

Hypersonix develops reusable, hydrogen-powered scramjet aircraft designed for sustained Mach 5+ hypersonic flight and faster access to space. It targets aerospace and commercial applications with scalable, rapid mission deployment.

1 investor

ST Engineering iDirect builds ground systems software for satellite networks serving operators, service providers, telcos, and systems integrators. The company develops solutions that manage satellite connectivity and integrate space-based and terrestrial networks.

1 investor

ImageSat International (ISI) designs, develops, and operates sovereign satellite missions integrated with AI-driven geospatial analytics and advanced multi-satellite control systems for government and defense customers. The company delivers end-to-end space-based intelligence solutions including high-resolution Earth observation satellites and actionable intelligence services.

1 investor