SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Astranis logo Astranis 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
Astranis Portal Space Systems
Founded 2015 2021
Headquarters California Bothell, Washington
Type private private
Status operating operating
Employees 423 22
Total funding $754M $20M
Latest round Series D Seed
Sectors Satellite Communications, Navigation & Positioning, Satellite Manufacturing Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion
Products listed 4 3
Federal contracts 1 ($7.5M)
Launches
Leaders listed John Gedmark, Ryan McLinko, Mark Mesler Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran
News mentions 12 0
SHARED SECTORS
FREQUENTLY ASKED

How do Astranis and Portal Space Systems compare?

Both companies work in Satellite Manufacturing. Astranis was founded in 2015 and Portal Space Systems in 2021.

Which is larger, Astranis or Portal Space Systems?

Astranis reports the larger workforce, with 423 employees versus 22.

Which has more US federal contracts, Astranis or Portal Space Systems?

Astranis has been awarded more, with $7.5M across 1 awards.

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