SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
OneSpace logo OneSpace Develops small solid-fuel launch vehicles and rocket propulsion systems, and provides rapid-response commercial launch services for microsatellite and nanosatellite customers vs Relativity Space Manufactures reusable medium-to-heavy-lift launch vehicles using large-scale metal 3D printing and autonomous robotics Relativity Space logo
HEAD-TO-HEAD2 shared sectors
OneSpace Relativity Space
Founded 2015 2015
Headquarters Beijing, China Long Beach, California
Type private private
Status operating operating
Employees 140 1,285
Total funding $120M $1.4B
Latest round Series C Series F
Sectors Launch Services, Space Propulsion Launch Services, Space Propulsion
Products listed 6 4
Federal contracts
Launches 1 (0%) 3 (0%)
Leaders listed Shu Chang, David Chen Eric Schmidt, Maria Seferian, Kevin Wu
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do OneSpace and Relativity Space compare?

Both companies work in Launch Services, Space Propulsion. OneSpace was founded in 2015 and Relativity Space in 2015.

Which is larger, OneSpace or Relativity Space?

Relativity Space reports the larger workforce, with 1,285 employees versus 140.

Which has more launches, OneSpace or Relativity Space?

Relativity Space leads with 3 tracked launches (0% success rate).

Numbers refresh on every render against the live Space Index database. Federal contract data from USAspending.gov; launches from LaunchLibrary2.