SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
AST SpaceMobile logo AST SpaceMobile Operates a space-based cellular broadband network delivering 4G and 5G connectivity directly to standard smartphones via LEO satellites vs CesiumAstro Designs, manufactures, and integrates software-defined phased array communications systems, payloads, and satellites for space, airborne, and ground platforms CesiumAstro logo
HEAD-TO-HEAD2 shared sectors
AST SpaceMobile CesiumAstro
Founded 2017 2017
Headquarters Midland, Texas Austin, Texas
Type public private
Status operating operating
Employees 613 318
Total funding $710.2M
Latest round Series C
Sectors Satellite Communications, Ground Segment & Networks, Satellite Manufacturing Satellite Components & Subsystems, Satellite Communications, Satellite Manufacturing
Products listed 5 15
Federal contracts
Launches
Leaders listed Abel Avellan, Scott Wisniewski, Andrew Johnson Shey Sabripour, Kenneth Smith, Chris Pappas III
News mentions 1 26
SHARED SECTORS
FREQUENTLY ASKED

How do AST SpaceMobile and CesiumAstro compare?

Both companies work in Satellite Communications, Satellite Manufacturing. AST SpaceMobile was founded in 2017 and CesiumAstro in 2017.

Which is larger, AST SpaceMobile or CesiumAstro?

AST SpaceMobile reports the larger workforce, with 613 employees versus 318.

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