SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Exotrail logo Exotrail Designs electric propulsion systems for small satellites and operates orbital transfer vehicles for last-mile delivery and in-orbit services 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
Exotrail Relativity Space
Founded 2017 2015
Headquarters Massy, France Long Beach, California
Type private private
Status operating operating
Employees 141 1,285
Total funding $74.6M $1.4B
Latest round Series B Series F
Sectors Space Propulsion, Space Software & Mission Tools, Space Transportation & Logistics Launch Services, Space Propulsion
Products listed 9 4
Federal contracts
Launches 3 (0%)
Leaders listed Jean-Luc Maria, Paul Lascombes, David Henri Eric Schmidt, Maria Seferian, Kevin Wu
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Exotrail and Relativity Space compare?

Both companies work in Space Propulsion. Exotrail was founded in 2017 and Relativity Space in 2015.

Which is larger, Exotrail or Relativity Space?

Relativity Space reports the larger workforce, with 1,285 employees versus 141.

Which has more launches, Exotrail 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.