SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Muon Space logo Muon Space Designs, builds, and operates mission-tailored LEO satellite constellations for Earth observation, climate monitoring, and national security applications. vs Spire Global Operates a multipurpose nanosatellite constellation delivering weather, aviation, and RF intelligence data via space-based sensors and ground infrastructure Spire Global logo
HEAD-TO-HEAD3 shared sectors
Muon Space Spire Global
Founded 2021 2012
Headquarters Mountain View, California, USA Vienna, Virginia, USA
Type private public
Status operating operating
Employees 197 352
Total funding 260.7M
Latest round Series B
Sectors Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Satellite Manufacturing Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Ground Segment & Networks, Satellite Manufacturing
Products listed 6 4
Federal contracts
Launches
Leaders listed Jonny Dyer, Gregory Smirin, Pascal Stang Peter Platzer, Boyd Johnson, David Myers
News mentions 2 1
SHARED SECTORS
FREQUENTLY ASKED

How do Muon Space and Spire Global compare?

Both companies work in Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Satellite Manufacturing. Muon Space was founded in 2021 and Spire Global in 2012.

Which is larger, Muon Space or Spire Global?

Spire Global reports the larger workforce, with 352 employees versus 197.

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