Top 24 Space Communication startups

Mar 09, 2025 | By Boris Maslennikov

These startups are developing space communication solutions for satellite internet, deep space missions, inter-satellite connectivity, Earth observation data relay, space tourism communication systems, etc.
1
Country: UK | Funding: £3.8M
Goonhilly Earth Station is a satellite communication teleport that provides telecommunication services.
2
Country: Czech Republic | Funding: €1.7M
Zaitra helps in reducing costs in data transmission along with spacecraft onboard and artificial intelligence services.
3
Country: Poland | Funding: 1,03M
Thorium Space is a designer and builder of satellite telecommunications systems.
4
Country: India | Funding: $1.5M
Astrogate Labs is dedicated to unveiling its groundbreaking space-to-ground laser communications link.
5
Inmarsat
Country: UK | Funding: $1.8B
Inmarsat is a mobile satellite communication service provider that aims to power global connectivity services. Acquired by Viasat
6
BlueHalo
Country: USA | Funding: $723.2M
BlueHalo develops laser communications for space.
7
AALTO
Country: UK | Funding: $100M
AALTO HAPS develops the AALTO Zephyr, a solar-powered HAPS for global 5G connectivity from the stratosphere.
8
Intuitive Machines
Country: USA
Intuitive Machines offers engineering solutions at the unimagined intersections between energy, medicine, and aerospace. In particular it's build Earth-Moon communications infrastructure for NASA.
9
CONTEC
Country: South Korea | Funding: $58.7M
CONTEC is providing ground station services, satellite image processing, and application services.
10
Millennium Space Systems
Country: USA
Millennium Space Systems, a provider of agile, flight-proven small-satellite solutions. Acquired by Boeing
Editor: Boris Maslennikov
Boris Maslennikov is a senior editor for Space-Startups. He has spent more than a decade covering the global space industry as a business journalist. He earned a Ph.D. in planetary sciences from the Massachusetts Institute of Technology and a bachelor’s degree with honors in geophysics and planetary science from the California Institute of Technology. In his free time, Boris enjoys studying history and mathematics, with a particular interest in the history of mathematics. You can contact Boris at borismaslenikov(at)space-startups(dot)com