SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
ClearSpace logo ClearSpace Designs and operates robotic spacecraft for active debris removal, satellite life extension, and in-orbit inspection services. vs Momentus Operates orbital service vehicles and manufactures satellite buses for in-space transportation, hosted payloads, and proximity operations. Momentus logo
HEAD-TO-HEAD2 shared sectors
ClearSpace Momentus
Founded 2018 2017
Headquarters Renens, Switzerland San Jose, California, USA
Type private public
Status operating operating
Employees 92 41
Total funding $36M
Latest round Series A+
Sectors Space Sustainability & Debris Removal, In-Orbit Servicing & Assembly, Satellite Manufacturing Space Transportation & Logistics, In-Orbit Servicing & Assembly, Satellite Manufacturing
Products listed 5 3
Federal contracts
Launches
Leaders listed Luc Piguet, Muriel Richard, Valéry Gineste John C. Rood, Rob Schwarz, Lon Ensler
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do ClearSpace and Momentus compare?

Both companies work in In-Orbit Servicing & Assembly, Satellite Manufacturing. ClearSpace was founded in 2018 and Momentus in 2017.

Which is larger, ClearSpace or Momentus?

ClearSpace reports the larger workforce, with 92 employees versus 41.

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