SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Gravitics logo Gravitics Designs and manufactures modular space station modules, orbital carriers, and cargo logistics spacecraft for commercial and national security missions 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
Gravitics Portal Space Systems
Founded 2021 2021
Headquarters Seattle, Washington Bothell, Washington
Type private private
Status operating operating
Employees 35 22
Total funding $20M $20M
Latest round Seed Seed
Sectors Space Stations & Habitats, Space Defense Systems, Space Transportation & Logistics Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion
Products listed 4 3
Federal contracts
Launches
Leaders listed Colin Doughan, Sundeep Kumar, Scott Macklin Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Gravitics and Portal Space Systems compare?

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

Which is larger, Gravitics or Portal Space Systems?

Gravitics reports the larger workforce, with 35 employees versus 22.

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