Space Tech Startups
705 companies tagged Space Tech, with their investors and founders.
Phantom Space Corporation builds small satellite launch vehicles and satellites, along with its Phantom Cloud data-center constellations, to provide launch and in-space delivery services. The U.S.-controlled company targets customers seeking access to space transportation, satellite manufacturing, and space data.
3 investors
Quantum Space builds the Ranger spacecraft platform, a highly maneuverable satellite designed to operate across LEO, MEO, GEO, and cislunar orbits with long operational life and on-orbit refueling. It targets national security and space defense customers including the U.S. Space Force and Department of War, as well as commercial space operators.
3 investors
Quindar provides ground software for satellite operations monitoring and automation, serving governments and defense organizations in the space sector.
3 investors
Ramon.Space builds space-grade computing infrastructure, including digital payloads, data center infrastructure, space storage, and edge computing systems. Its technology targets computing, communications, and chip-level needs for space applications.
3 investors
Redwire is an integrated aerospace and defense company building space infrastructure, autonomous aircraft, and multi-domain operations technology using digital engineering and AI automation. It serves government and defense customers such as NASA, DARPA, the U.S. Space Force, and the U.S. Army, delivering solar arrays, spacecraft platforms, navigation systems, optical imaging, and space-based R&D and manufacturing.
3 investors
Sedaro provides cloud-based digital engineering and simulation software for modeling, analyzing, and developing complex mission-critical systems across space, air, land, sea, and cyber domains. It serves national security customers, including U.S. Department of War and Intelligence Community programs, with multi-domain simulation, digital twins, and mission analysis tools.
3 investors
Skynopy operates an end-to-end ground station service that connects satellites to the cloud, using a hybrid network of timeshared antennas and its own proprietary ground stations orchestrated through a platform with virtualized modem technology. It serves satellite operators, offering higher data rates, reduced latency, and a single API for accessing ground networks.
3 investors
Slingshot provides software and AI systems that integrate sensing, data fusion, and simulation to enable operational decision-making for defense and commercial space operations. The platform helps operators understand and act on space environment data.
3 investors
Space Kinetic develops the Whirlwind platform, a system that deploys micro-payloads from a host spacecraft at high velocities without using a thruster by decoupling propulsion from the payload. The technology targets space missions with a scalable "one-to-many" architecture aimed at lower unit costs.
3 investors
SpaceComputer is a distributed satellite network providing censorship-resistant computation and verifiable settlement across Earth and orbit, using satellite-hosted trusted execution environments (TEEs), confidential smart contracts, and quantum-hardened cryptography. It offers space-based confidential compute infrastructure with developer-friendly APIs for integrating security services into enterprise solutions.
3 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.
3 investors
SpaceKnow offers Guardian, a platform that integrates data from multiple satellite providers and applies AI algorithms to extract insights from raw imagery. It provides automated change detection, continuous surveillance, and alerts to support monitoring and data-driven decisions.
3 investors
SpaceRyde develops reusable spacecraft that deploy via stratospheric balloon and establish an orbital network to perform cargo transport and on-demand in-space services such as refueling, deep-space missions, and debris removal. The company targets commercial space operators and satellite providers seeking cost-effective launch and logistics infrastructure.
3 investors
SpeQtral develops quantum key distribution technology for secure communications, offering both satellite-based and fiber-optic terrestrial solutions to protect critical infrastructure against quantum computing threats. The company serves telecommunications providers, governments, healthcare, and financial institutions seeking quantum-safe networks.
3 investors
Starlab is developing a commercial space station intended to support microgravity research, commercial innovation, and international collaboration in low-Earth orbit. The company designs, builds, and plans to operate the station to strengthen the low-Earth orbit economy.
3 investors
TRL11 provides a video and visual intelligence platform for space operators, delivering real-time visibility across mission stages including capture, processing, transmission, and sharing. The integrated stack connects data from orbit to the operator.
3 investors
Thesis develops reusable, steerable microballoons for routine access to the stratosphere (40,000β130,000 feet), enabling persistent surveillance, communications relay, and atmospheric research for defense, intelligence, commercial, and scientific applications.
3 investors
Ursa Space offers a custom geospatial monitoring service that selects sensors, schedules satellite data collection, and runs SAR-based analysis to deliver verified intelligence reports, alerts, and forecasts. Its platform serves organizations that need to monitor objects, vessels, infrastructure, and activity across defined areas of interest without in-house technical expertise.
3 investors
Verde Technologies develops ultra-thin, flexible perovskite solar cells using roll-to-roll manufacturing, offering high power-to-mass and radiation tolerance for space and defense power applications, with future terrestrial uses. The company is a U.S.-based manufacturer targeting lightweight solar power markets.
3 investors
Verde Technologies develops ultra-thin, flexible perovskite solar cells using roll-to-roll manufacturing, offering high power-to-mass and radiation tolerance for space and defense markets, with future terrestrial applications. The company operates U.S.-based domestic manufacturing and has demonstrated over 24% power conversion efficiency.
3 investors
Voyager Technologies is a defense and space technology company developing capabilities in advanced electronics, mission management, orbital data centers, space exploration, spectrum dominance, and strategic systems across air, land, space, and cyber domains. It also operates the Starlab commercial space station program.
3 investors
Vyoma provides space situational awareness and space traffic data through a global ground-based sensor network and planned in-orbit sensors, along with cloud-based tools for satellite operations. It serves satellite operators managing single satellites to constellations, offering domain awareness, threat assessment, and manoeuvre detection.
3 investors
Zephyr Fusion develops compact, in-orbit fusion power systems for space-based applications including microgravity manufacturing, data centers, defense, propulsion, and human habitation. The company leverages fusion technology to provide megawatt-class power generation for space industry customers.
3 investors
QPS Institute (ζ ͺεΌδΌη€ΎQPSη η©Άζ) develops, manufactures, and operates small SAR (synthetic aperture radar) satellites and related equipment, and provides Earth-observation data and services derived from them. Spun out of Kyushu University's small-satellite research, the company builds a commercial SAR satellite constellation and is listed on the Tokyo Stock Exchange Growth market.
3 investors