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 Spire Global Operates a multipurpose nanosatellite constellation delivering weather, aviation, and RF intelligence data via space-based sensors and ground infrastructure Spire Global logo
HEAD-TO-HEAD1 shared sector
Portal Space Systems Spire Global
Founded 2021 2012
Headquarters Bothell, Washington Vienna, Virginia
Type private public
Status operating operating
Employees 22 352
Total funding $20M
Latest round Seed
Sectors Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion Earth Observation & Remote Sensing, Geospatial Intelligence & Analytics, Ground Segment & Networks, Satellite Manufacturing
Products listed 3 4
Federal contracts
Launches
Leaders listed Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran Peter Platzer, Boyd Johnson, David Myers
News mentions 0 1
SHARED SECTORS
FREQUENTLY ASKED

How do Portal Space Systems and Spire Global compare?

Both companies work in Satellite Manufacturing. Portal Space Systems was founded in 2021 and Spire Global in 2012.

Which is larger, Portal Space Systems or Spire Global?

Spire Global reports the larger workforce, with 352 employees versus 22.

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