SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Relativity Space logo Relativity Space Manufactures reusable medium-to-heavy-lift launch vehicles using large-scale metal 3D printing and autonomous robotics. vs SpinLaunch Builds kinetic launch systems using ground-based centrifuges and develops the Meridian LEO broadband constellation for enterprise communications SpinLaunch logo
HEAD-TO-HEAD1 shared sector
Relativity Space SpinLaunch
Founded 2015 2014
Headquarters Long Beach, California, USA Long Beach, CA
Type private private
Status operating operating
Employees 1,285 27
Total funding $1.4B $249M
Latest round Series F Series C
Sectors Launch Services, Space Propulsion Launch Services, Satellite Communications, Satellite Manufacturing
Products listed 4 4
Federal contracts
Launches 3 (0%)
Leaders listed Eric Schmidt, Maria Seferian, Kevin Wu Massimiliano Ladovaz, David Wrenn
News mentions 0 16
SHARED SECTORS
FREQUENTLY ASKED

How do Relativity Space and SpinLaunch compare?

Both companies work in Launch Services. Relativity Space was founded in 2015 and SpinLaunch in 2014.

Which is larger, Relativity Space or SpinLaunch?

Relativity Space reports the larger workforce, with 1,285 employees versus 27.

Which has more launches, Relativity Space or SpinLaunch?

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.