PS

PORTAL SPACE SYSTEMS INC.

Dynamic Space Operations, Solved.

BOTHELL, United States · Founded 2023 · $20.5M raised

Defense & Space
Satellite Technology
Space Propulsion
Employees
11–50
Founded
2023
Business Model
B2B
Total Funding
$20.5M
Last Round
$17.5M SeedApr 2025
Rounds
2

About

Portal Space Systems is a space startup developing highly maneuverable satellite buses for in-space mobility and debris removal. Its flagship Supernova spacecraft features a novel solar-thermal propulsion system delivering 50x the delta-v of competing products, enabling rapid repositioning and long-range maneuverability. Founded in 2021, the company launched its first flight hardware (Mini-Nova) aboard SpaceX's Transporter-16 mission in March 2026.

Summary

PORTAL SPACE SYSTEMS INC. is a Defense & Space company based in BOTHELL, United States, founded in 2023. It has raised $20.5M in total across 2 rounds, most recently a $17.5M Seed round in Apr 2025. Investors include AlleyCorp, FUSE and First In.

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Funding History

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