SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
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 York Space Systems Designs, mass-manufactures, and operates standardized spacecraft platforms and end-to-end mission solutions for national security and commercial constellation customers. York Space Systems logo
HEAD-TO-HEAD1 shared sector
Portal Space Systems York Space Systems
Founded 2021 2014
Headquarters Bothell, Washington, USA Greenwood Village, Colorado, USA
Type private public
Status operating operating
Employees 22 367
Total funding $20M+
Latest round Seed
Sectors Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion Satellite Manufacturing, Ground Segment & Networks, Space Defense Systems
Products listed 3 5
Federal contracts
Launches
Leaders listed Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran Dirk Wallinger, Mike Lajczok, Melanie Preisser
News mentions 0 13
SHARED SECTORS
FREQUENTLY ASKED

How do Portal Space Systems and York Space Systems compare?

Both companies work in Satellite Manufacturing. Portal Space Systems was founded in 2021 and York Space Systems in 2014.

Which is larger, Portal Space Systems or York Space Systems?

York Space Systems reports the larger workforce, with 367 employees versus 22.

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