Space Tech Startups

Orbital Sidekick operates hyperspectral imaging satellites and provides data analysis for commercial operators in energy, mining, and agriculture, as well as environmental monitoring and national security applications. Its offerings help detect operational risks, support sustainability initiatives, and expand situational awareness through georectified hyperspectral intelligence.

2 investors

Pave designs and builds space hardware, including propulsion systems, space-ready avionics, and dedicated engine test infrastructure. Founded in 2024, the company develops in-house spaceflight technology.

2 investors

Precursor gathers earth observation data from ground stations and satellite systems, processing it through machine learning to forecast earthquakes and space weather events days in advance. The company delivers geospatial intelligence for earthquake preparedness and space weather impact forecasting to governments, asset owners, emergency management agencies, and reinsurers.

2 investors

Primo Capital is an Italian independent alternative investments platform managing funds focused on climate, health, digital, and space technology sectors. It invests in early- and growth-stage startups, with 507M in committed capital across four investment strategies and a portfolio of 66 companies.

2 investors

Quadsat develops modular radio-frequency sensing and electronic warfare payloads (such as SpectraLoc) that integrate into UAV platforms for RF signal detection and emitter geolocation, along with spectrum operations software. It serves defense forces and drone OEMs, drawing on a background in drone-based satellite antenna calibration; the company is based in Denmark.

2 investors

Raven Space Systems develops Microwave Assisted Deposition (MAD) 3D printing technology to manufacture aerospace-grade thermoset and ceramic composite structures, thermal protection, and related parts. Its automated process targets aerospace and defense applications such as hypersonics, propulsion systems, reentry vehicles, satellites, aircraft, and missiles.

2 investors

Reaction Dynamics develops the Aurora rocket using a patented hybrid rocket engine to provide dedicated, cost-effective launches for small-satellite operators into Low Earth Orbit. Based in Canada, it aims to establish sovereign Canadian launch capability, with suborbital and orbital launches planned for 2026 and 2028.

2 investors

Rebel Space Tech develops spectrum intelligence software that monitors, detects, and classifies RF interference and electronic warfare threats targeting satellite and teleport operators. The platform serves space operators, government/defense agencies, and research institutions operating in contested electromagnetic environments.

2 investors

Reflex Aerospace designs and assembles customizable satellite platforms for commercial and defence missions, offering optical Earth observation, synthetic aperture radar, and satellite communications solutions. The company focuses on shortening satellite build times to about 12 months and is based in Germany.

2 investors

Remos provides adaptive modem software for satellite communications, supporting multiple NewSpace transceivers with features including Doppler compensation, antenna control, and pass scheduling. The software is deployable on-premises or in the cloud and compatible with various modulation standards and protocols.

2 investors

Rendezvous Robotics develops self-assembling spacecraft made of modular tiles that autonomously assemble in orbit using electromagnetic control, enabling large-scale structures that cannot fold into a rocket fairing. It targets defense (ISR, protected communications, missile tracking), direct-to-device communications, and orbital compute applications.

2 investors

Rhea Space Activity (RSA) is an astrophysics technology developer building systems for national security, including infrared satellites, directed energy, artificial intelligence, small satellites, and autonomous underwater vehicles. It serves governments and defense forces, with a focus on lunar and deep space applications for the U.S. and allied nations.

2 investors

RovrStack is developing an agentic operating system intended to power space-related operations. The company positions its product as an AI-driven platform for the space industry.

2 investors

Safran is an aerospace and defense manufacturer supplying aircraft equipment such as landing gear, nacelles, wiring, avionics and navigation systems, along with aircraft interiors, engines for airplanes and helicopters, defense systems, and space technologies. It serves airframers, commercial and military aviation, armed forces, and space missions.

2 investors

SARsatX is an Earth observation and satellite manufacturer that designs and builds small satellites and delivers radar and optical satellite imagery to governments, organizations, and businesses. The company focuses on the Middle East and Africa region, providing high-resolution imagery and data-driven insights for defense, security, infrastructure, and environmental monitoring applications.

2 investors

Satleo Labs operates a constellation of low Earth orbit microsatellites with onboard edge computing and machine learning to capture high-resolution thermal (MWIR, LWIR, and visible band) imagery and temperature data. Its thermal intelligence serves sectors including agriculture, defense, climate science, weather forecasting, renewable energy, disaster management, and urban planning.

2 investors

SatSure Skies is a platform for digitized aeronautical information management that converts terrain, obstacle, and route data into structured, ICAO-compliant formats. It serves airspace managers, airline operators, and airport operations teams to support pre-flight planning, airspace use planning, obstacle avoidance, and airport digital twins.

2 investors

Sceye develops high-altitude platform station (HAPS) aircraft designed for long-endurance flight in the stratosphere, providing direct-to-cellphone broadband connectivity as an alternative to ground infrastructure and earth observation for monitoring environmental and climate indicators. It serves telecommunications and earth-monitoring needs from the stratosphere.

2 investors

Seagate Space provides orbital launch services from mobile offshore maritime platforms, offering an alternative to land-based launch ranges. It serves the aerospace, defense, and space launch industry with patent-pending offshore platform designs aimed at increasing launch cadence and reducing weather and community-related constraints.

2 investors

Seraphim is a venture capital investor focused on space technology, backing space and deeptech startups from inception to exit through its investment funds, accelerator, and investment trust. It supports ventures in areas such as Earth observation, secure communications, defense, and climate intelligence.

2 investors

Skydweller Aero develops and manufactures very large solar-powered, autonomous aircraft designed for perpetual uncrewed flight carrying heavy payloads, with applications including ISR and maritime patrol. The aerospace company serves defense and long-endurance surveillance markets and is headquartered in Oklahoma City with R&D facilities in Spain and Mississippi.

2 investors

SkyServe provides edge computing and AI model management software for satellite operators to deploy AI-powered earth observation applications on satellites. The platform reduces latency, downlink costs, and data processing demands for geospatial analytics providers and government organizations.

2 investors

Solafune is a company applying geospatial technology to address social, environmental, and industrial problems. It operates as a global team focused on satellite/geospatial data analysis.

2 investors

Space Copy develops additive manufacturing and printing systems designed for extreme environments, including remote terrestrial construction and off-world applications. The company serves defense, space, mining, and disaster response sectors with solutions for on-site fabrication of infrastructure and tooling.

2 investors