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 SES S.A. Operates a multi-orbit fleet of GEO and MEO satellites delivering video distribution, data connectivity, and managed network services to broadcasters, telecom operators, and governments worldwide. SES S.A. logo
HEAD-TO-HEAD1 shared sector
CesiumAstro SES S.A.
Founded 2017 1985
Headquarters Austin, Texas, USA Luxembourg
Type private public
Status operating operating
Employees 318 2,264
Total funding $710.2M
Latest round Series C
Sectors Satellite Components & Subsystems, Satellite Communications, Satellite Manufacturing Satellite Communications, Ground Segment & Networks, Space Defense Systems
Products listed 15 53
Federal contracts
Launches
Leaders listed Shey Sabripour, Kenneth Smith, Chris Pappas III Adel Al-Saleh, Elisabeth A. Pataki, Adam Levy
News mentions 26 0
SHARED SECTORS
FREQUENTLY ASKED

How do CesiumAstro and SES S.A. compare?

Both companies work in Satellite Communications. CesiumAstro was founded in 2017 and SES S.A. in 1985.

Which is larger, CesiumAstro or SES S.A.?

SES S.A. reports the larger workforce, with 2,264 employees versus 318.

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