SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
EnduroSat logo EnduroSat Designs, builds, and operates software-defined small satellites and shared satellite platforms for commercial and scientific missions worldwide 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
EnduroSat SpinLaunch
Founded 2015 2014
Headquarters Sofia, Bulgaria Long Beach, California
Type private private
Status operating operating
Employees 325 27
Total funding $181.6M $249M
Latest round Series C Series C
Sectors Satellite Manufacturing, Satellite Components & Subsystems Launch Services, Satellite Communications, Satellite Manufacturing
Products listed 37 4
Federal contracts
Launches
Leaders listed Raycho Raychev, Victor Danchev, Emmanuel Sauzay Massimiliano Ladovaz, David Wrenn
News mentions 6 16
SHARED SECTORS
FREQUENTLY ASKED

How do EnduroSat and SpinLaunch compare?

Both companies work in Satellite Manufacturing. EnduroSat was founded in 2015 and SpinLaunch in 2014.

Which is larger, EnduroSat or SpinLaunch?

EnduroSat reports the larger workforce, with 325 employees versus 27.

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