Space Tech Startups

European Space Ventures AG is a space sector company based in Frankfurt. The page provides limited operational details, focusing instead on capital raising activities.

1 investor

Space Frontier develops high-density hybrid rocket propulsion using proprietary bio-based fuel formulations, tailored grain geometries and additive manufacturing, keeping fuel and oxidizer separated for safer handling. Its systems are configured for applications including satellite propulsion, solid turbojets and hypersonic flight profiles, with AI-assisted combustion and regression-rate modelling.

1 investor

Space Machines Company builds an AI-native space domain awareness and command-and-control platform (Solstice OS) alongside rapid-response orbital vehicles (Optimus Viper) for continuous monitoring, threat detection, and in-orbit defensive response. It serves commercial space operators, critical-infrastructure enterprises, and national security customers, with a team based across Australia, the US, UK, and India.

1 investor

Space Redi builds mission planning tools for complex space missions, drawing on expertise in bioastronautics and mission control operations. The company serves the space industry with software and engineering support.

1 investor

SSCL provides independent third-party advisory and consulting services to defence and security stakeholders, focused on space operations for commercial, civil, and national security users. Its work covers operational research, capability-based planning, modeling and simulation, and concept development across the aerospace, near-space, and space domains.

1 investor

Space Alpha Insights builds SAR-XL satellites that combine X and L radar bands to capture high-resolution Earth observation data, using on-board AI for in-orbit processing and near-real-time object detection. Paired with a predictive analytics platform, it delivers remote sensing data to the security, agriculture, insurance, infrastructure, environmental, and logistics sectors.

1 investor

SpaceChain builds space-based security and key-management infrastructure for the global financial industry, offering products such as Tethys for secure digital banking, satellite mission design and manufacturing, and blockchain-integrated satellite payloads. It combines fintech and space expertise to provide secure infrastructure, SaaS, and IT consulting for clients in the US, UAE, UK, and EU.

1 investor

Space Channel is a web platform that aggregates space-related data and media, including live ISS telemetry, launch tracking, satellite and orbital traffic monitoring, space weather, lunar and planetary tracking, NASA image archives, and UFO/UAP news. It offers dashboards, live TV/radio, and an intelligence feed for space enthusiasts.

1 investor

Spacedock builds AI-powered, genderless docking connectors that let space systems securely berth, dock, and transfer power, data, and fluids, enabling modular interoperable orbital infrastructure. The connectors also act as edge AI compute nodes for diagnostics, cybersecurity, and mission optimization to support satellite servicing, refueling, and resupply logistics.

1 investor

Space Markets operates a marketplace for the orbital economy, offering Event Markets that price and hedge mission risk (launch windows, deployments, capacity milestones) as Yes/No contracts settled in USDC on Base, and Asset Leasing Markets that connect infrastructure operators with teams needing verified capacity, with payment released after delivery is confirmed. It serves teams supplying, buying, financing, and building orbital infrastructure across launch, communications, compute, power, and lunar operations, and supports specialized agents that discover capacity, evaluate risk, and coordinate programmable settlement.

1 investor

SpacePharma develops pharmaceutical research and manufacturing systems designed to operate in microgravity environments aboard satellites and spacecraft. The company uses space-based platforms to conduct drug crystallization, organ-on-chip testing, and other biomedical research that benefits from microgravity conditions.

1 investor

SpacePoint provides space and satellite education programs, including workshops and training delivered online, onsite, or hybrid, along with a SatKit product. The company serves students and explorers, including minors through parents or institutions.

1 investor

Space Protocol develops a decentralized operating system for space operations that provides real-time sensor calibration, satellite positioning, and orbital compliance monitoring. The platform enables autonomous satellites to sense, share, and react while delivering trustless data verification and risk quantification for space operators and defense agencies.

1 investor

SpaceTenna develops low-power phased array antenna technology for adaptive beam forming from space, aimed at converting LEO satellites into adaptive beam forming systems at lower power and cost. It builds adaptive RF payloads for space applications, targeting satellite internet and antenna manufacturers, based on its parent company NexTenna's antenna technology.

1 investor

A company focused on research, development, and application of high-speed flight technology, including rocket software and flight test data sharing such as base pressure measurement data for rockets of varying diameters.

1 investor

Mindgrove Technologies designs GHz-class processors and system-on-chips (SoCs) for embedded and edge computing applications, targeting the middle market with cost-optimized silicon built on the open RISC-V architecture. The company serves customers in video security, automotive, biometric access, and smart device segments with production-ready chips developed under India's Design Linked Incentive scheme.

1 investor

Spectra Intel develops hyperspectral imaging instruments and analysis software for astronomical observation and industrial/environmental monitoring. The company offers customized hyperspectral solutions bundled with reference spectral data and user-friendly analysis software.

1 investor

Spherical Systems designs full-stack spacecraft electronics, covering systems, silicon, and software in-house. The company targets the space industry with integrated hardware and software for spacecraft.

1 investor

SPiN designs and manufactures modular satellite components and provides satellite design services for space manufacturers, reducing design and production costs through its MA61C universal adapter and model-based system engineering methodology.

1 investor

Star Signal Solutions provides space traffic management and collision avoidance monitoring for commercial satellites and orbital activities. The company protects orbital space debris prevention to maintain the viability of satellite services that support global weather, navigation, finance, and disaster response systems.

1 investor

Starburst is a global accelerator and strategic advisory firm focused on the aerospace and defense industry, offering startup acceleration programs, strategy consulting, and venture investments. The company connects early-stage innovators in aviation, space, defense, and enabling technologies with corporate partners, investors, and government stakeholders.

1 investor

Starburst is a global accelerator dedicated to Aerospace & Defense startups, providing acceleration programs, consulting missions, private pitches and events. It connects startups with industrial partners and allied governments through a team present in nine countries.

1 investor

Starfront Observatories provides remote telescope hosting for astronomers and organizations, operating observatory buildings under dark-sky conditions in Rockwood, Texas, where it hosts customer-owned telescopes. The service starts at $99 per month and supports more than 1,000 telescopes across its site.

1 investor

Stellant Systems manufactures RF power amplification and spectrum products for space, defense, medical, scientific, and industrial applications serving both domestic and international markets.

1 investor