SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Muon Space logo Muon Space Designs, builds, and operates mission-tailored LEO satellite constellations for Earth observation, climate monitoring, and national security applications 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
Muon Space SpinLaunch
Founded 2021 2014
Headquarters Mountain View, California Long Beach, California
Type private private
Status operating operating
Employees 197 27
Total funding $260.7M $249M
Latest round Series B Series C
Sectors Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Satellite Manufacturing Launch Services, Satellite Communications, Satellite Manufacturing
Products listed 6 4
Federal contracts
Launches
Leaders listed Jonny Dyer, Gregory Smirin, Pascal Stang Massimiliano Ladovaz, David Wrenn
News mentions 2 16
SHARED SECTORS
FREQUENTLY ASKED

How do Muon Space and SpinLaunch compare?

Both companies work in Satellite Manufacturing. Muon Space was founded in 2021 and SpinLaunch in 2014.

Which is larger, Muon Space or SpinLaunch?

Muon Space reports the larger workforce, with 197 employees versus 27.

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