SPACE INDEX

Portal Space Systems

Portal Space Systems

Manufactures solar-thermal-propelled spacecraft buses for high-delta-v, multi-orbit maneuverability and tactically responsive space operations

WEBSITE LINKEDIN X CAREERS

$67.5M TOTAL RAISED * 22 EMPLOYEES * 2021 FOUNDED

LIVE

PORTAL SPACE SYSTEMS PRESS RELEASE: Portal Space Systems Raises $50 Million Series A… PORTAL SPACE SYSTEMS PRESS RELEASE: Portal Space Systems Raises $50 Million Series A… PORTAL SPACE SYSTEMS PRESS RELEASE: Portal Space Systems Raises $50 Million Series A… PORTAL SPACE SYSTEMS PRESS RELEASE: Portal Space Systems Raises $50 Million Series A…

SITREP

Portal Space Systems is a private company focused on space transportation & logistics, satellite manufacturing, and space propulsion. Based in Bothell, Washington, it was founded in 2021. It is led by CEO Jeff Thornburg. It operates as an upstream supplier spanning much of the space value chain. Its lineup includes the Supernova and Starburst components.

Status Operating

HQ * Bothell, Washington

Locations HQ Bothell, Washington

ACTIVITY

Profile updated INDEX CURATION / 5d ago PROFILE CHANGE JUL 16

Profile verified INDEX CURATION / 5d ago PROFILE CHANGE JUL 16

Profile updated INDEX CURATION / 5d ago PROFILE CHANGE JUL 16

Profile updated INDEX CURATION / 12d ago PROFILE CHANGE JUL 9

Profile verified INDEX CURATION / 12d ago PROFILE CHANGE JUL 9

Profile updated INDEX CURATION / 12d ago PROFILE CHANGE JUL 9

PERFORMANCE

FUNDING * ALL FUNDING

$67.5M TOTAL RAISED

Latest round / Series A $50M

FINANCIALS VIEW ALL

$67.5M Total raised * Series A

CATALOG

Other 3

Mini-Nova Starburst Supernova

CREW ALL PEOPLE

Jeff Thornburg CEO & CTO

Aaron Carey Head of Design

Diego A Arias Chief Engineer

Ian Vorbach President & CRO

Jen Scholten Director of Marketing & Commercial Business Development

Mariano Long Director of Defense Business Development

Mark Bitterman VP of Government Affairs

Prashaanth Ravindran VP of Engineering

NETWORK GRAPH

COMPETITORS

Dawn Aerospace Turion Space Southern Launch Momentus

CLASSIFICATION

Sectors

Space Transportation & Logistics Satellite Manufacturing Space Propulsion

Technology

SmallSat 3D-Printed Autonomous Ops Orbital Refueling

Orbit & Destination

LEO MEO GEO Cislunar

Application

Commercial Government-Defense Space-to-Space

Thematic

New Space Pioneer

DATA & SOURCES

SourceProvides

Company websitecompany profile, products, locations, press

USAspending.govfederal contract awards

Industry pressnews coverage

* Lower-confidence value, or one we haven't anchored to a primary source yet. Profile assembled from 3 sources and cross-checked continuously.

PROFILE

Last verified 2026-07-16

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