Top 10 Orbital Transfer startups

Updated: Sep 17, 2025
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These startups are providing orbital transfer services, enabling satellites to reach their intended operational orbits or facilitating the disposal of defunct satellites into graveyard orbits.
1
D-Orbit
Country: Italy | Funding: $201.2M
D-Orbit is the first in-space transportation company, providing solutions for moving, precise deployment and removing satellites.
2
Impulse Space
Country: USA | Funding: $525M
Impulse Space develops orbital maneuvering vehicles for last-mile cargo delivery.
3
Apex Space
Country: USA | Funding: $522M
Apex manufactures smallsat buses for commercial and government customers.
4
Terran Orbital
Country: USA | Funding: $401.6M
Terran Orbital creates cutting-edge lineup of standard satellite bus platforms, setting a new standard in satellite technology and innovation. These ITAR-compliant bus classes come with interchangeable components and modules, allowing you to customize and configure your satellite for various sizes and mission requirements.
5
Starfish Space
Country: USA | Funding: $65M
Starfish Space develops and manufactures autonomous space vehicles that perform in-orbit, satellite servicing missions.
6
Rocket Factory Augsburg
Country: Germany | Funding: $37.3M
RFA - Rocket Factory Augsburg is a space technologies company offering fast & flexible launch solutions for satellite constellations.
7
Atomos Space
Country: USA | Funding: $21.9M
Atomos Space is an aerospace company building and developing orbital transfer vehicles.
8
Argo Space
Country: USA | Funding: $9.9M
Argo Space develops small reusable spacecraft transfer vehicles and the technology for harvesting water from lunar regolith to create an abundant source of in-space propellant
9
Orbital Express
Country: Russia
Orbital Express intends to democratize space logistics from in-orbit satellite services to interplanetary missions for sustainable space exploration that enables new markets In-Space Economy sector.
10
Liftero
Country: Poland
Liftero is a space logistics company that enables space access by developing reusable orbital transfer vehicles.
Boris Maslennikov
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