SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Antaris logo Antaris Provides a cloud-based software platform for satellite mission design, digital twin simulation, flight software, and constellation operations vs AST SpaceMobile Operates a space-based cellular broadband network delivering 4G and 5G connectivity directly to standard smartphones via LEO satellites AST SpaceMobile logo
HEAD-TO-HEAD1 shared sector
Antaris AST SpaceMobile
Founded 2021 2017
Headquarters Los Altos, California Midland, Texas
Type private public
Status operating operating
Employees 21 613
Total funding $7.7M
Latest round Seed
Sectors Space Software & Mission Tools, Satellite Manufacturing Satellite Communications, Ground Segment & Networks, Satellite Manufacturing
Products listed 4 5
Federal contracts
Launches
Leaders listed Tom Barton, Karthik Govindhasamy, John Trionfo Abel Avellan, Scott Wisniewski, Andrew Johnson
News mentions 0 1
SHARED SECTORS
FREQUENTLY ASKED

How do Antaris and AST SpaceMobile compare?

Both companies work in Satellite Manufacturing. Antaris was founded in 2021 and AST SpaceMobile in 2017.

Which is larger, Antaris or AST SpaceMobile?

AST SpaceMobile reports the larger workforce, with 613 employees versus 21.

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