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 Sidus Space Designs, manufactures, and operates LizzieSat small satellites, delivering AI-driven space-based data and hardware manufacturing services for defense and commercial customers Sidus Space logo
HEAD-TO-HEAD2 shared sectors
Muon Space Sidus Space
Founded 2021 2012
Headquarters Mountain View, California Florida’s Space Coast, Florida
Type private public
Status operating operating
Employees 197 73
Total funding $260.7M
Latest round Series B
Sectors Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Satellite Manufacturing Satellite Manufacturing, Earth Observation & Remote Sensing, Space Defense Systems
Products listed 6 3
Federal contracts
Launches
Leaders listed Jonny Dyer, Gregory Smirin, Pascal Stang Carol Craig, Mark Mikolajczyk, Val Ojdanic
News mentions 2 9
SHARED SECTORS
FREQUENTLY ASKED

How do Muon Space and Sidus Space compare?

Both companies work in Earth Observation & Remote Sensing, Satellite Manufacturing. Muon Space was founded in 2021 and Sidus Space in 2012.

Which is larger, Muon Space or Sidus Space?

Muon Space reports the larger workforce, with 197 employees versus 73.

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