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 Umbra Designs, builds, and operates SAR satellite constellations delivering sub-meter Earth imagery and flight-proven spacecraft hardware Umbra logo
HEAD-TO-HEAD1 shared sector
AST SpaceMobile Umbra
Founded 2017 2015
Headquarters Midland, Texas Arlington, Virginia
Type public private
Status operating operating
Employees 613 165
Total funding $124.1M
Latest round Grant
Sectors Satellite Communications, Ground Segment & Networks, Satellite Manufacturing Earth Observation & Remote Sensing, Satellite Components & Subsystems, Satellite Manufacturing
Products listed 5 4
Federal contracts
Launches
Leaders listed Abel Avellan, Scott Wisniewski, Andrew Johnson David Langan, Gabe Dominocielo, Todd Master
News mentions 1 0
SHARED SECTORS
FREQUENTLY ASKED

How do AST SpaceMobile and Umbra compare?

Both companies work in Satellite Manufacturing. AST SpaceMobile was founded in 2017 and Umbra in 2015.

Which is larger, AST SpaceMobile or Umbra?

AST SpaceMobile reports the larger workforce, with 613 employees versus 165.

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