Portal Space Systems

Portal Space Systems is an aerospace company based in Bothell, Washington, that develops spacecraft platforms such as Starburst and...

Facts

HQ: Seattle area, USA
Sectors: Defense and Space Manufacturing
Founded: 2021
Employees: 51
Stage: startup
Total raised: $61.5M SEC Form D filings Total of this company's SEC Form D filings
Last round: $61.5M · Mar 2026 SEC Form D
Founders: Jeff Thornburg, Prashaanth Ravindran, Ian Vorbach