SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
Capella Space logo Capella Space Designs, manufactures, and operates X-band synthetic aperture radar satellites delivering sub-meter resolution Earth observation imagery in all weather conditions. vs Portal Space Systems Manufactures solar-thermal-propelled spacecraft buses for high-delta-v, multi-orbit maneuverability and tactically responsive space operations. Portal Space Systems logo
HEAD-TO-HEAD1 shared sector
Capella Space Portal Space Systems
Founded 2016 2021
Headquarters San Francisco, California, USA Bothell, Washington, USA
Type private private
Status operating operating
Employees 233 22
Total funding $239M $20M+
Latest round Venture Round Seed
Sectors Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Satellite Manufacturing Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion
Products listed 5 3
Federal contracts
Launches
Leaders listed Frank Backes, Matt O'Connell, Jessica Hunter Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Capella Space and Portal Space Systems compare?

Both companies work in Satellite Manufacturing. Capella Space was founded in 2016 and Portal Space Systems in 2021.

Which is larger, Capella Space or Portal Space Systems?

Capella Space reports the larger workforce, with 233 employees versus 22.

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