Space Tech Startups

Satelligence provides satellite-based monitoring software that delivers sustainability and deforestation transparency data to global corporates, supporting sustainable agriculture and supply-chain accountability. The company serves large corporate clients needing environmental and biodiversity monitoring data.

1 investor

Satellite Evolution is a media platform providing daily news, expert analysis, video interviews, podcasts, magazines, and events for professionals in the satellite, space, defence, and communications sectors. It offers a multichannel content platform and an industry directory connecting satellite operators, manufacturers, and service providers across the supply chain.

1 investor

Satyukt provides field-level crop, soil, and weather advisories using satellite-derived data combined with machine learning, AI, and big data analytics. Its Sat2Farm product serves farmers and agri-businesses—as well as banking, fintech, and insurance firms—with soil health testing, crop health monitoring, soil moisture analysis, and weather forecasts, targeting developing economies.

1 investor

Seaflight develops autonomous electric drones and aircraft with advanced aerodynamic technology for cargo logistics and defense applications. The company specializes in ground effect uncrewed systems, active aerodynamic flow control, and autonomous flight systems for extended range and payload capacity.

1 investor

Sensate Robotics develops tactile sensors and robotic gripping systems that enable machines to sense touch and handle delicate, irregular objects. The company targets agriculture, initially focusing on fruit handling and inspection in crops like avocados and apples.

1 investor

SETS is a space propulsion company that designs, manufactures, and tests electric propulsion systems for spacecraft, including Hall-Effect thrusters, hollow cathodes, xenon storage and feed systems, and power processing units. It serves private satellite customers and has flight-proven hardware operating in orbit.

1 investor

UFORCE builds autonomous defense systems, including combat-proven platforms used in the Russia-Ukraine War for missions in contested environments. The company pairs advanced AI software with hardware and is expanding from Ukraine to NATO allies and the U.S.

1 investor

Sidereus Space Dynamics was a space technology research and development company operating in Italy and Europe. It has concluded its R&D program and is now in discussions with industrial partners regarding the potential acquisition of its technology assets, infrastructure, and intellectual property.

1 investor

Signalink provides engineering, technical, logistical, and programmatic support services to the aerospace and defense sectors.

1 investor

Sintavia uses digital design and metal additive manufacturing to produce complex mechanical and thermodynamic components, specializing in Power & Thermal Management System (PTMS) integration. Its parts power and cool flight and launch vehicles for the aerospace and defense sector.

1 investor

Skykraft develops space-enabled air traffic management systems, using satellite-based communications and surveillance to support aircraft separation, routing, and airspace safety. It serves the aviation and air traffic management sector.

1 investor

SkyMapper operates a decentralized network of telescopes and all-sky cameras that lets astronomers, researchers, and citizen scientists remotely control equipment, capture observations, and store blockchain-verified astronomical data. The network provides continuous sky and orbital coverage for tracking satellites, asteroids, comets, exoplanets, and transient celestial events.

1 investor

Skymerse provides an automated flight operations decision platform for airlines that checks every flight against live NOTAMs, weather, runway constraints, and aircraft limits to generate flight-ready operational decisions. The company also operates Notamify, a product that transforms NOTAM data into briefings and operational signals for airline crews and dispatchers.

1 investor

Skyrora develops small satellite launch vehicles and suborbital rockets, including the three-stage Skyrora XL designed to place payloads into low Earth and Sun-Synchronous Orbit. The company builds its own liquid rocket engines and offers in-orbit space services, positioning itself as a commercial launch provider based in the UK.

1 investor

Slip Signal develops electromagnetic interference (EMI) solutions for semiconductor design and electronic products. The company helps engineers design electronics that pass EMI regulatory testing before market entry.

1 investor

Slooh provides online access to control real telescopes located in the Canary Islands, Chile, and Australia, letting users schedule observations across both hemispheres. It offers live feeds, guided exploration, and a community of over 450,000 members for astronomy education and stargazing.

1 investor

1 investor

Solid Kosmos provides fault-injection tools and radiation testing services for FPGA-based systems, letting engineers record real radiation effects during beam time and replay them in their own labs via JTAG without hardware modification. It also offers system-level reliability analysis (FTA, FMECA, FDIR), radiation characterisation, and FPGA hardware acceleration and embedded software development for safety-critical applications.

1 investor

Sophia Space builds orbital compute and data center systems using a modular "TILE" (Thermal Integrated LEO Edge) architecture that combines solar power, space-based cooling, and AI-ready edge compute for in-orbit data processing. It serves civil, defense, and commercial space markets that generate data in orbit and need local processing rather than transmitting it back to Earth.

1 investor

SOURCE (Source Energy Company) manufactures space-grade silicon PV modules and solar arrays — modules, rigid panels, and flexible blanket arrays — at industrial volume for satellite and space mission programs. The company positions its domestically US-manufactured silicon solar products as a lower-cost, faster-delivery alternative to legacy triple-junction space solar suppliers.

1 investor

Space Capital is a venture capital firm that invests in the space economy, focusing on GPS, geospatial intelligence, and satellite communications. It authored the book "The Space Economy" and created investment frameworks (the GPS, GEOINT, and SatCom Playbooks) used by financial firms and governments.

1 investor

Space Cargo Unlimited builds a multi-platform ecosystem for in-space manufacturing and research in Low Earth Orbit, including its BentoBox payload system and REV1 reusable orbital return vehicle. It operates end-to-end microgravity missions—from payload definition through in-flight operations and recovery—to let industrial customers develop, test, and scale products such as alloys and semiconductor crystals in microgravity.

1 investor

European Space Ventures AG is a space-focused investment company that allocates capital from European investors to European space, deep tech, and defence ventures ranging from start-ups to SMEs. It also offers sector-specific investment expertise to the wider European investor community, with a stated emphasis on European sovereignty.

1 investor

Space One is a Japanese company that provides small-rocket launch services for small satellites, aiming for the shortest contract-to-launch time and highest launch frequency using its own rockets and launch site. It develops space transportation systems to lower the cost of access to space for the commercial space industry.

1 investor