SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Antaris logo Antaris Provides a cloud-based software platform for satellite mission design, digital twin simulation, flight software, and constellation operations 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
Antaris Umbra
Founded 2021 2015
Headquarters Los Altos, California, USA Arlington, Virginia, USA
Type private private
Status operating operating
Employees 21 165
Total funding $7.7M $124.1M
Latest round Seed Grant
Sectors Space Software & Mission Tools, Satellite Manufacturing Earth Observation & Remote Sensing, Satellite Components & Subsystems, Satellite Manufacturing
Products listed 4 4
Federal contracts
Launches
Leaders listed Tom Barton, Karthik Govindhasamy, John Trionfo David Langan, Gabe Dominocielo, Todd Master
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Antaris and Umbra compare?

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

Which is larger, Antaris or Umbra?

Umbra reports the larger workforce, with 165 employees versus 21.

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