Portal Space Systems: Funding, Investors & Team (Sep 2026)
Portal Space Systems develops spacecraft propulsion and mobility technologies for rapid space maneuverability. The company focuses on high-performance propulsion systems that enable spacecraft to travel longer distances and operate with greater flexibility across different orbital environments. Its work includes designing vehicles and systems that can support missions such as satellite deployment, repositioning, and deep space operations. The organization integrates propulsion engineering with spacecraft design to address limitations in speed and endurance found in conventional systems. It also collaborates with commercial and government stakeholders to support mission planning and in-space logistics. Through its technology development efforts, it contributes to expanding operational capabilities for spacecraft across a range of mission profiles.
Portal Space Systems has raised $50.0M across 1 funding round on record, the most recent a Series A of $50.0M announced in Apr 2026.
That round is above the $6.0M median round size for Information Technology companies tracked on FundedIQ over the last two years.
Portal Space Systems Company Profile and Key Stats
Latest funding round on record: Apr 2026.
Portal Space Systems Funding Rounds
Portal Space Systems Founders and Leadership Team
No contact details are on record for this team yet.
Portal Space Systems Funding Compared to Other Information Technology Startups
Portal Space Systems' latest round of $50.0M is above the median round in Information Technology. Medians cover the last 24 months of disclosed rounds.
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Portal Space Systems Funding FAQs
What does Portal Space Systems do?
Portal Space Systems develops spacecraft propulsion and mobility technologies for rapid space maneuverability. The company focuses on high-performance propulsion systems that enable spacecraft to travel longer distances and operate with greater flexibility across different orbital environments. Its work includes designing vehicles and systems that can support missions such as satellite deployment, repositioning, and deep space operations. The organization integrates propulsion engineering with spacecraft design to address limitations in speed and endurance found in conventional systems. It also collaborates with commercial and government stakeholders to support mission planning and in-space logistics. Through its technology development efforts, it contributes to expanding operational capabilities for spacecraft across a range of mission profiles.
How much funding has Portal Space Systems raised?
Portal Space Systems has raised $50.0M across 1 round on record. The most recent is a Series A of $50.0M announced in Apr 2026.
When did Portal Space Systems last raise funding?
Portal Space Systems' most recent funding round on record is a Series A of $50.0M, announced in Apr 2026.
Who founded Portal Space Systems?
FundedIQ lists Jeff Thornburg (Founder) at Portal Space Systems.
Where is Portal Space Systems headquartered?
Portal Space Systems is based in Bothell, Washington, United States.
How many employees does Portal Space Systems have?
Portal Space Systems is in the 11-50 employee band.
How does Portal Space Systems' funding compare to other Information Technology startups?
Portal Space Systems' latest round of $50.0M is above the $6.0M median round size for Information Technology companies on FundedIQ across 3,144 tracked companies over the last two years.
About FundedIQ's Portal Space Systems Funding Data
FundedIQ tracks announced funding rounds and refreshes this profile every week. Round dates, stages and amounts are normalised to a single format, converted to US dollars, and de-duplicated: two records of the same round announced days apart are merged, and two genuinely different rounds are kept apart on the amounts they disclose. Amounts shown are the disclosed figures only — a round announced without a number is listed and excluded from the total rather than estimated.
Employee counts are reported bands, not exact headcounts. Founder and executive names carry the job title on record. Anything we do not hold for Portal Space Systems is left off this page rather than filled in.
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