Space Tech Startups
856 companies tagged Space Tech, with their investors and founders.
Locus Lock designs software-defined GNSS receivers for accurate positioning in complex environments including deep urban, contested, and dynamic platforms for defense and commercial applications. The technology provides high precision, configurability, and security against spoofing and jamming.
7 investors
Messium uses satellite remote sensing and machine learning to deliver automated, lab-quality crop information, such as nitrogen status, to farmers and agronomists on a weekly basis. It serves commercial agriculture through precision farming technology.
7 investors
Novo Space develops high-performance, rad-tolerant, modular electronics for space missions. The company serves space mission operators and satellite manufacturers seeking reusable, radiation-hardened components.
7 investors
Privateer aggregates satellite, terrestrial, and customer data streams and processes them with AI/ML to produce geospatial intelligence for defense, civil, and commercial customers. Its applications span maritime tracking, supply chain and infrastructure monitoring, commodities trading, energy operations, and space domain awareness.
7 investors
Skyroot builds advanced launch vehicles and rocket engines to provide satellite operators with lower-cost, faster access to space. Founded in 2018 and based in Hyderabad, India, it developed the Vikram line of rockets and launched India's first privately built rocket.
7 investors
SkyWatch provides an API and platform for accessing, managing, and distributing geospatial and satellite data to commercial users. The company serves organizations seeking to use Earth observation data for business applications and problem-solving.
7 investors
Solideon is a manufacturing platform specializing in bespoke aerospace vehicle production, including custom-designed aircraft and components. The company serves aerospace customers and positions itself as the world's only large-scale manufacturer capable of crafting a variety of aerospace vehicles using advanced manufacturing techniques.
7 investors
Spaceium builds in-orbit refueling stations that store fuel and supply it to spacecraft, aiming to enable longer missions, larger payloads, and farther travel. The company operates in the space infrastructure sector.
7 investors
SpinLaunch develops a kinetic orbital launch system that uses a rotating accelerator to propel satellites into space at ultra-high speeds, reducing fuel and structural requirements compared to traditional rockets. The company targets enterprise customers seeking cost-effective satellite deployment and broadband connectivity services.
7 investors
CesiumAstro develops AI-enhanced, software-defined communications systems for space, air, and ground domain applications. The company provides advanced communication capabilities to mission-critical users across multiple operational environments.
7 investors
Synspective develops SAR (synthetic aperture radar) satellite solutions and geospatial data services for government and commercial clients, with applications in disaster management, environmental monitoring, and national security. The company operates globally through regional teams across Japan, Singapore, the United States, Europe, and Latin America.
7 investors
Aalyria develops software and hardware for managing wireless networks in motion, including directional optical communications terminals and a managed platform for orchestrating satellite, airborne, and terrestrial networks. The company serves commercial satellite operators, telecommunications providers, defense agencies, and space organizations.
6 investors
Alba Orbital manufactures PocketQube satellites and operates as a launch broker, providing small satellite deployment services. The company also operates nighttime imaging satellites and ground station services for government and commercial clients in the space sector.
6 investors
Antaris offers a cloud-based platform for designing, simulating, and operating satellite missions and constellations, supporting any payload, bus, or mission architecture. It serves government and commercial satellite operators looking to reduce time and cost of getting to orbit.
6 investors
Aptos Orbital develops a hardware device that integrates computing, communications, and cloud connectivity for satellites and spacecraft in low Earth orbit. The product enables edge AI processing, persistent global communications, and integration with major cloud providers.
6 investors
AscendArc develops small, high-throughput geostationary (GEO) satellites that are volume-produced to lower costs and speed deployment for satellite communications. The company applies LEO-style scalable manufacturing to GEO orbit and holds multiple U.S. Air Force contracts.
6 investors
Astroscale develops on-orbit servicing solutions, providing end-to-end services covering mission licensing, spectrum acquisition, insurance, and operations to support the circular space economy. It serves satellite and space mission operators globally.
6 investors
Bellatrix Aerospace develops and manufactures advanced propulsion systems for satellite deployment and orbital missions. The company serves space operators by offering plasma thrusters and chemical propulsion alternatives that achieve higher performance and longer operational life at lower cost than incumbent technologies.
6 investors
ClearSpace develops in-orbit servicing technologies for satellite disposal, inspection, and life-extension, serving both institutional and commercial space missions. Founded in Switzerland and headquartered in Luxembourg, it works with agencies such as ESA on active debris removal and satellite life-extension missions across Europe.
6 investors
CYSEC provides high-assurance security products including confidential computing for cloud and on-premises enterprise environments and cryptographic protection for satellite communications links. It serves organizations operating critical satellite, space, and industrial infrastructure, incorporating post-quantum cryptography for future-proofing.
6 investors
Dawn Aerospace builds space transportation infrastructure including flight-proven green chemical satellite propulsion systems, in-space refueling capabilities, and a reusable spaceplane. The company serves satellite operators and space economy participants seeking reliable, sustainable access to orbit and in-space mobility.
6 investors
Dhruva Space provides satellite launch solutions, including a range of space-qualified CubeSat orbital deployers (1–32 kg payloads) and integrated small satellite launch services across multiple launch vehicles such as PSLV, SSLV, Falcon, and Vikram. It also offers constellation deployment, hosted payload, and assembly, integration, and launch services for low Earth orbit and other missions.
6 investors
Diffraqtion commercializes sub-diffraction imaging physics developed through DARPA and NASA programs for high-precision space domain awareness and exoplanet detection. The company's technology supports missions such as NASA's Habitable Worlds Observatory.
6 investors
Enhanced Radar develops aviation-grade AI training datasets for pilot-controller communications, with end-to-end quality control from data collection through labeling. The company serves aviation safety and efficiency applications.
6 investors














