Company

Portal Space Systems

Rocket Ship Rating

Rocket Ship Rating: 98 out of 100

Maneuverability when you need it. On demand.

Also known as PORTAL SPACE SYSTEMS INC.

Space, aerospace & defense
Deeptech
Hardware

Status: Operatingas of 2026-09-18
Business model: B2B
Headquarters: Bothell, WA, United States
Founded: 2021
Customers: For National Security / For Science & Exploration / For commercial operators
Legal name: PORTAL SPACE SYSTEMS INC.

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Record updated 18 September 2026

About

Portal Space Systems develops advanced spacecraft that redefine what’s possible in space.

Funding snapshot

Total raised: $67.5MSum of rounds, as of 2026-09-18Source (opens in a new tab)
Latest round: Series A, $50M2026-05-09

Funding rounds

Round, 2026: $61.5M2026-03-11, SEC form D sold, 32 investors
Seed: $17.5MCompany stated

Products

Hardware: Starburst
Hardware: Supernova