SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
ExPace logo ExPace Operates the Kuaizhou family of solid-fueled small-lift launch vehicles for commercial and government satellite delivery to low Earth orbit 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
ExPace Portal Space Systems
Founded 2016 2021
Headquarters Wuhan, China Bothell, Washington
Type government private
Status operating operating
Employees 22
Total funding $417M $20M
Latest round Series B Seed
Sectors Launch Services, Space Propulsion Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion
Products listed 2 3
Federal contracts
Launches 33 (88%)
Leaders listed Zhang Di, Zha Xiongquan Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do ExPace and Portal Space Systems compare?

Both companies work in Space Propulsion. ExPace was founded in 2016 and Portal Space Systems in 2021.

Which has more launches, ExPace or Portal Space Systems?

ExPace leads with 33 tracked launches (88% success rate).

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