Space Tech Startups

Arinna develops solar power technology for sustainable applications on Earth and in space. Founded by Stanford PhDs with a focus on using sunlight as an energy source.

3 investors

Arlula builds infrastructure for Earth Observation, providing automated, secure systems that move satellite data through organizations at scale. It serves Earth observation organizations and remains neutral across operators, data providers, constellations, and clouds, integrating into existing systems with modular capabilities.

3 investors

askEarth builds an AI-native geospatial intelligence agent that translates complex satellite and location data into actionable insights for energy, insurance, and government organizations. The platform makes geospatial analysis accessible to non-expert users through a conversational interface.

3 investors

Astrix builds inflatable deployable components for spacecraft, including solar arrays, radiators, antennas, drag sails, and heat shields. Its inflation and rigidization technology increases deployable surface area while reducing mass, serving satellite and spacecraft manufacturers.

3 investors

Astrocast develops a nanosatellite constellation and low-power modules to connect IoT devices in remote, rural, and maritime areas where traditional cellular coverage is unavailable. The company provides ultra-low-cost satellite IoT infrastructure optimized for power consumption and availability in underserved regions globally.

3 investors

Astrome develops space and terrestrial communications technology, including satellite systems (GigaSat, SpaceNet, satellite-broadband-as-a-service) and terrestrial wireless products (GigaMesh). The company builds high-capacity connectivity infrastructure and hardware for telecommunications.

3 investors

Aule develops autonomous robotic systems for servicing satellites in orbit, targeting in-space servicing, assembly, and manufacturing (ISAM). The company builds infrastructure to support the space economy, space superiority, and orbital sustainability.

3 investors

Beyond Reach Labs develops deployable solar arrays for space infrastructure that deliver high power per launch. The company addresses energy challenges for orbital data centers, lunar operations, and next-generation space platforms by overcoming the structural limitations of traditional solar array designs.

3 investors

Byteport provides data transfer infrastructure for high-performance networks, specializing in rapid and reliable file movement between any source and destination across demanding environments including AI clusters, satellite ground stations, and defense networks.

3 investors

Catalyx builds standardized infrastructure for deploying sensor payloads into orbit, offering common power, thermal, and data interfaces along with continuous monitoring and real-time data transmission. The product targets space operators seeking faster, lower-cost payload deployment.

3 investors

CubeSpace designs and manufactures Attitude Determination and Control Systems (ADCS) for small satellites. The company serves satellite constellation and mission operators with flight-proven, modular solutions.

3 investors

DcubedD builds space technology products. The About page emphasizes the company's culture of ambitious thinking and rapid iteration but provides little concrete detail about specific products or customers.

3 investors

Eclipse Space builds and delivers custom space infrastructure for communication, navigation, and data, engineered to customer specification and owned entirely by the customer. It targets organizations that depend on orbital capabilities for their operations.

3 investors

Elodin provides a cloud-based simulation platform for building autonomous systems, targeting developers and engineers creating satellites, drones, and robots. The company aims to make advanced autonomy tooling accessible and affordable to innovators in aerospace and robotics.

3 investors

Endeavor Optical Networks develops transoceanic fiber optic cable systems to address global bandwidth capacity constraints. The company aims to overcome delays in submarine cable deployment and improve infrastructure resilience for cloud computing, financial markets, and government networks.

3 investors

Farmdar builds geospatial and machine-learning tools for agriculture, using data and field operations to monitor crops and farmland. It serves agricultural clients and operates across markets including South Asia and Southeast Asia.

3 investors

Atlas is a B2B private aviation booking platform that connects travel platforms, brokers, concierge services, and corporate travel teams to vetted FAA Part 135 operators, offering live aircraft availability, firm all-in pricing, and end-to-end trip management via its platform or API. Its operator network spans dozens of countries across North America, Europe, Latin America, the Middle East, Africa, Asia, and Australia, with deepest availability in the US and Europe.

3 investors

General Aviation builds remote air traffic control (ATC) towers for small airports in the National Airspace System that lack traditional control infrastructure. The product addresses safety and operational efficiency needs at airports unable to support the cost of conventional tower operations.

3 investors

Golbriak Space develops optical/laser communication terminals and AI-enabled data hubs for satellites, offering high data-rate links for distributed satellite missions. Its optical approach avoids RF frequency licensing and provides data processing, storage, and protection against jamming, spoofing, and tapping for aerospace operators.

3 investors

Ubotica develops artificial intelligence that runs directly on satellites to process Earth observation imagery in orbit, delivering real-time intelligence for maritime monitoring and other Earth observation applications. The company serves governments, maritime agencies, and operators of critical ocean infrastructure across Europe and globally.

3 investors

Helix Geospace designs and manufactures compact, high-performance antennas for satellite navigation and communications using proprietary Dielectrix technology. The company serves automotive, aerospace, critical infrastructure, and defense sectors with custom and off-the-shelf GNSS and L-band antenna solutions.

3 investors

HyImpulse develops hybrid rocket propulsion systems and launch vehicles powered by paraffin-based technology to provide affordable, reliable access to low-Earth orbit for smallsat operators and space services customers. The company combines launch services, satellite-as-a-service, and space-data-as-a-service offerings to reduce cost barriers and expand commercial use of space.

3 investors

HyPrSpace develops a scalable hybrid rocket engine based on patented hybrid propulsion technology, aiming to provide Europe with a cost-effective and sovereign launch capability. The company operates in the space launch and propulsion industry and is based in France/EU.

3 investors

IENAI develops end-to-end propulsion and mobility systems for small satellites, providing in-orbit maneuvering products for spacecraft operators. It targets the small satellite segment of the space industry.

3 investors