SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Momentus logo Momentus Operates orbital service vehicles and manufactures satellite buses for in-space transportation, hosted payloads, and proximity operations 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-HEAD1 shared sector
Momentus Spire Global
Founded 2017 2012
Headquarters San Jose, California Vienna, Virginia
Type public public
Status operating operating
Employees 41 352
Total funding
Latest round
Sectors Space Transportation & Logistics, In-Orbit Servicing & Assembly, Satellite Manufacturing Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Ground Segment & Networks, Satellite Manufacturing
Products listed 3 4
Federal contracts
Launches
Leaders listed John C. Rood, Rob Schwarz, Lon Ensler Peter Platzer, Boyd Johnson, David Myers
News mentions 0 1
SHARED SECTORS
FREQUENTLY ASKED

How do Momentus and Spire Global compare?

Both companies work in Satellite Manufacturing. Momentus was founded in 2017 and Spire Global in 2012.

Which is larger, Momentus or Spire Global?

Spire Global reports the larger workforce, with 352 employees versus 41.

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