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 Kepler Communications Operates an optical satellite constellation providing real-time data relay, on-orbit computing, and hosted payload services for space missions Kepler Communications logo
HEAD-TO-HEAD1 shared sector
Antaris Kepler Communications
Founded 2021 2015
Headquarters Los Altos, California Toronto, Canada
Type private private
Status operating operating
Employees 21 174
Total funding $7.7M $177.1M
Latest round Seed Series C
Sectors Space Software & Mission Tools, Satellite Manufacturing Satellite Communications, Ground Segment & Networks, Satellite Manufacturing
Products listed 4 6
Federal contracts
Launches
Leaders listed Tom Barton, Karthik Govindhasamy, John Trionfo Mina Mitry, Dan Budlovsky, Robert Conrad
News mentions 0 10
SHARED SECTORS
FREQUENTLY ASKED

How do Antaris and Kepler Communications compare?

Both companies work in Satellite Manufacturing. Antaris was founded in 2021 and Kepler Communications in 2015.

Which is larger, Antaris or Kepler Communications?

Kepler Communications reports the larger workforce, with 174 employees versus 21.

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