SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
CesiumAstro logo CesiumAstro Designs, manufactures, and integrates software-defined phased array communications systems, payloads, and satellites for space, airborne, and ground platforms vs EnduroSat Designs, builds, and operates software-defined small satellites and shared satellite platforms for commercial and scientific missions worldwide EnduroSat logo
HEAD-TO-HEAD2 shared sectors
CesiumAstro EnduroSat
Founded 2017 2015
Headquarters Austin, Texas Sofia, Bulgaria
Type private private
Status operating operating
Employees 318 325
Total funding $710.2M $181.6M
Latest round Series C Series C
Sectors Satellite Components & Subsystems, Satellite Communications, Satellite Manufacturing Satellite Manufacturing, Satellite Components & Subsystems
Products listed 15 37
Federal contracts
Launches
Leaders listed Shey Sabripour, Kenneth Smith, Chris Pappas III Raycho Raychev, Victor Danchev, Emmanuel Sauzay
News mentions 26 6
SHARED SECTORS
FREQUENTLY ASKED

How do CesiumAstro and EnduroSat compare?

Both companies work in Satellite Components & Subsystems, Satellite Manufacturing. CesiumAstro was founded in 2017 and EnduroSat in 2015.

Which is larger, CesiumAstro or EnduroSat?

EnduroSat reports the larger workforce, with 325 employees versus 318.

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