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 Stoke Space Develops fully and rapidly reusable medium-lift launch vehicles for orbital access, in-space mobility, and cargo return Stoke Space logo
HEAD-TO-HEAD1 shared sector
Portal Space Systems Stoke Space
Founded 2021 2019
Headquarters Bothell, Washington Kent, Washington
Type private private
Status operating operating
Employees 22 294
Total funding $20M $1.34B
Latest round Seed Series D
Sectors Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion Launch Services, Space Transportation & Logistics
Products listed 3 4
Federal contracts
Launches 1 (0%)
Leaders listed Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran Andy Lapsa, Tom Feldman, Sean Kennelly
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Portal Space Systems and Stoke Space compare?

Both companies work in Space Transportation & Logistics. Portal Space Systems was founded in 2021 and Stoke Space in 2019.

Which is larger, Portal Space Systems or Stoke Space?

Stoke Space reports the larger workforce, with 294 employees versus 22.

Which has more launches, Portal Space Systems or Stoke Space?

Stoke Space leads with 1 tracked launches (0% success rate).

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