Seed-Stage space startups

The earliest believers. Seed-stage space startups are where the next decade of the industry is being decided right now. 31 active companies, $79.6M disclosed between them.

Gravitics

Space station modules and orbital carriers built like products, not projects

Habitats · United States · est. 2021 · Seed
Karman+

Mining near-Earth asteroids for water to refuel the in-space economy

Space Resources & Mining · United States · est. 2020 · Seed
Lux Aeterna

Delphi, a fully reusable satellite designed to launch, land and fly again

Satellites · United States · est. 2024 · Seed
Magdrive

Metal-fueled plasma propulsion with dramatically higher thrust density

Propulsion · United Kingdom · est. 2019 · Seed
Aethero

Radiation-tolerant edge computers bringing AI inference onboard satellites

Software · United States · est. 2023 · Seed
Arinna

Ultrathin next-generation solar panels for powering spacecraft at scale

Space Power & Energy · United States · Seed
Zero 2 Infinity

Balloon-borne launchers

Launch · Spain · est. 2009 · Seed
Bagaveev

3D printed rocket engines

Launch · United States · est. 2013 · Seed
Epic Aerospace

Space transportation network

Logistics · United States · est. 2014 · Seed
Southern Stars

Cubesat services and tracking software

Ground Segment & Tracking · United States · est. 2010 · Seed
Spacept

AI for Space Data Analytics

Software · Sweden · est. 2019 · Seed
Gateway Galactic

LEO orbital propellant depot

Space Resources & Mining · United States · est. 2014 · Seed
Additive Rocket Corporation

3D printing rocket engines

Propulsion · United Kingdom · est. 2015 · Seed
AIRMO

Satellite constellation measuring methane and greenhouse gas emissions in near real time

Earth Observation · Germany · est. 2021 · Seed
Asgard Space

High accuracy space surveillance and tracking

Defense & Space Domain Awareness · Spain · est. 2018 · Seed
Because Learning

STEM missions to space

Media & Education · United States · est. 2014 · Seed
BioOrbit

Crystallizing pharmaceutical proteins in microgravity for better cancer drugs

In-Space Manufacturing · United Kingdom · est. 2023 · Seed
Black Arrow

Horizon sea launch service

Launch · United Kingdom · est. 2017 · Seed
Helios

Producing resources from lunar soil

Lunar · Israel · est. 2018 · Seed
HOSTmi

Space services marketplace

Information & Research · Germany · est. 2018 · Seed
Interlune

Harvesting helium-3 from lunar soil for quantum computing and fusion customers

Lunar · United States · est. 2020 · Seed
Interstellar Lab

BioPods, controlled-environment capsules growing plants for space and Earth

Biosphere · France · est. 2018 · Seed
Latitudo 40

From images to information

Software · Italy · est. 2017 · Seed
NewRocket

Eco-friendly rocket engines

Propulsion · Israel · est. 2014 · Seed
OKAPI:Orbits

Satellite collision avoidance software

Software · Germany · est. 2018 · Seed
OrbitsEdge

Computing and analytics in space

Software · United States · est. 2018 · Seed
Sen

Space TV for humanity

Media & Education · United Kingdom · est. 2014 · Seed
Skyrora

Building launch vehicles

Launch · United Kingdom · est. 2017 · Seed
Space Talos

Shielding for satellite electronics

Components & Subsystems · United Kingdom · est. 2018 · Seed
ThinkOrbital

In-space welding and construction technology for large orbital structures

In-Space Manufacturing · United States · est. 2021 · Seed
Tropical Weather Analytics, Inc.

Hurricane and weather forecasting

Earth Observation · United States · est. 2015 · Seed

Other stages: Self-funded · Series A · Series B · Series C+

Stages reflect each company's last publicly disclosed round as we've verified it (how we verify). Spotted one that's moved on? Tell us and we'll fix it same day.

Join the new space race

Founder interviews and the most promising space startups, straight to your inbox. Free, no spam, unsubscribe anytime.