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 Starcloud Develops orbital data centers that provide GPU compute and AI inference services in space using solar power and passive radiative cooling Starcloud logo
HEAD-TO-HEAD1 shared sector
Antaris Starcloud
Founded 2021 2024
Headquarters Los Altos, California Redmond, Washington
Type private private
Status operating operating
Employees 21 20
Total funding $7.7M $34M
Latest round Seed Seed
Sectors Space Software & Mission Tools, Satellite Manufacturing In-Space Manufacturing, Satellite Manufacturing
Products listed 4 2
Federal contracts
Launches
Leaders listed Tom Barton, Karthik Govindhasamy, John Trionfo Philip Johnston, Ezra Feilden, Adi Oltean
News mentions 0 1
SHARED SECTORS
FREQUENTLY ASKED

How do Antaris and Starcloud compare?

Both companies work in Satellite Manufacturing. Antaris was founded in 2021 and Starcloud in 2024.

Which is larger, Antaris or Starcloud?

Antaris reports the larger workforce, with 21 employees versus 20.

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