SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Portal Space Systems logo Portal Space Systems Manufactures solar-thermal-propelled spacecraft buses for high-delta-v, multi-orbit maneuverability and tactically responsive space 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
Portal Space Systems Starcloud
Founded 2021 2024
Headquarters Bothell, Washington Redmond, Washington
Type private private
Status operating operating
Employees 22 20
Total funding $20M $34M
Latest round Seed Seed
Sectors Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion In-Space Manufacturing, Satellite Manufacturing
Products listed 3 2
Federal contracts
Launches
Leaders listed Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran Philip Johnston, Ezra Feilden, Adi Oltean
News mentions 0 1
SHARED SECTORS
FREQUENTLY ASKED

How do Portal Space Systems and Starcloud compare?

Both companies work in Satellite Manufacturing. Portal Space Systems was founded in 2021 and Starcloud in 2024.

Which is larger, Portal Space Systems or Starcloud?

Portal Space Systems reports the larger workforce, with 22 employees versus 20.

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