Portal Space Systems
Maneuverability when you need it. On demand.
Bothell, United States · Founded 2023 · $70.5M raised
- Headquarters
- Bothell, Washington
- Employees
- 11–50
- Founded
- 2023
- Business Model
- B2B
- Website
- portalsystems.space
- Total Funding
- $70.5M
- Last Round
- $50.0M Series AApr 2026
- Rounds
- 3
About
Portal Space Systems is a Seattle-area spacecraft company solving the need for orbital mobility with its Supernova satellite bus, powered by proprietary solar thermal propulsion. Supernova delivers up to 6 km/s of delta-v for rapid, sustained maneuvering across LEO, GEO, MEO, and Cislunar space, enabling national security, science, and commercial missions that require on-demand repositioning. The company is led by veterans of SpaceX Raptor, Blue Origin, and Amazon Kuiper programs, and raised a $50M Series A in April 2026.
Summary
Portal Space Systems is a Defense Tech company based in Bothell, United States, founded in 2023. It has raised $70.5M in total across 3 rounds, most recently a $50.0M Series A round in Apr 2026. Investors include AlleyCorp, Mach33 and Mach33 Financial Group.
Tech & App Stack
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Funding History
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Apr 2026
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Grant through Series A — per-round amounts, valuations, and who invested in each round.
Investors
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