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 Space Machines Company Builds rapid-response orbital servicing vehicles for close-proximity inspection, monitoring, and protection of space assets across all Earth orbits Space Machines Company logo
HEAD-TO-HEAD1 shared sector
Antaris Space Machines Company
Founded 2021 2019
Headquarters Los Altos, California Botany, Australia
Type private private
Status operating operating
Employees 21 38
Total funding $7.7M $5.5M
Latest round Seed Grant
Sectors Space Software & Mission Tools, Satellite Manufacturing In-Orbit Servicing & Assembly, Satellite Manufacturing, Space Domain Awareness
Products listed 4 4
Federal contracts
Launches
Leaders listed Tom Barton, Karthik Govindhasamy, John Trionfo Rajat Kulshrestha, George Freney, Mark Ramsey
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Antaris and Space Machines Company compare?

Both companies work in Satellite Manufacturing. Antaris was founded in 2021 and Space Machines Company in 2019.

Which is larger, Antaris or Space Machines Company?

Space Machines Company reports the larger workforce, with 38 employees versus 21.

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