SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
OneSpace logo OneSpace Develops small solid-fuel launch vehicles and rocket propulsion systems, and provides rapid-response commercial launch services for microsatellite and nanosatellite customers 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
OneSpace Portal Space Systems
Founded 2015 2021
Headquarters Beijing, China Bothell, Washington
Type private private
Status operating operating
Employees 140 22
Total funding $120M $20M
Latest round Series C Seed
Sectors Launch Services, Space Propulsion Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion
Products listed 6 3
Federal contracts
Launches 1 (0%)
Leaders listed Shu Chang, David Chen Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do OneSpace and Portal Space Systems compare?

Both companies work in Space Propulsion. OneSpace was founded in 2015 and Portal Space Systems in 2021.

Which is larger, OneSpace or Portal Space Systems?

OneSpace reports the larger workforce, with 140 employees versus 22.

Which has more launches, OneSpace or Portal Space Systems?

OneSpace 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.