SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
K2 Space logo K2 Space Designs and manufactures large-scale, high-power satellite platforms with in-house electric propulsion and avionics for multi-orbit missions. 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-HEAD1 shared sector
K2 Space Relativity Space
Founded 2022 2015
Headquarters Torrance, California, USA Long Beach, California, USA
Type private private
Status operating operating
Employees 159 1,285
Total funding $429M $1.4B
Latest round Series C Series F
Sectors Satellite Manufacturing, Satellite Components & Subsystems, Space Propulsion Launch Services, Space Propulsion
Products listed 3 4
Federal contracts
Launches 3 (0%)
Leaders listed Karan Kunjur, Neel Kunjur, John Plumb Eric Schmidt, Maria Seferian, Kevin Wu
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do K2 Space and Relativity Space compare?

Both companies work in Space Propulsion. K2 Space was founded in 2022 and Relativity Space in 2015.

Which is larger, K2 Space or Relativity Space?

Relativity Space reports the larger workforce, with 1,285 employees versus 159.

Which has more launches, K2 Space 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.