SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
CesiumAstro logo CesiumAstro Designs, manufactures, and integrates software-defined phased array communications systems, payloads, and satellites for space, airborne, and ground platforms. vs ClearSpace Designs and operates robotic spacecraft for active debris removal, satellite life extension, and in-orbit inspection services. ClearSpace logo
HEAD-TO-HEAD1 shared sector
CesiumAstro ClearSpace
Founded 2017 2018
Headquarters Austin, Texas, USA Renens, Switzerland
Type private private
Status operating operating
Employees 318 92
Total funding $710.2M $36M
Latest round Series C Series A+
Sectors Satellite Components & Subsystems, Satellite Communications, Satellite Manufacturing Space Sustainability & Debris Removal, In-Orbit Servicing & Assembly, Satellite Manufacturing
Products listed 15 5
Federal contracts
Launches
Leaders listed Shey Sabripour, Kenneth Smith, Chris Pappas III Luc Piguet, Muriel Richard, Valéry Gineste
News mentions 26 0
SHARED SECTORS
FREQUENTLY ASKED

How do CesiumAstro and ClearSpace compare?

Both companies work in Satellite Manufacturing. CesiumAstro was founded in 2017 and ClearSpace in 2018.

Which is larger, CesiumAstro or ClearSpace?

CesiumAstro reports the larger workforce, with 318 employees versus 92.

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