Who invested in Castellum.AI

One round we have observed, with the 8 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

AIFintechRegtech

Follow Castellum.AI and see its new rounds in your feed. Start following

Funding summaryUpdated 5 Nov 2026

$8.5Mraised across 1 round since 2025, from 4 sources

Latest round: Series A, $8.5MJul 2025
Led by: Curql
Investors: 8 (1 led)

See who backed them

The rounds

Jul 2025
Series A$8.5M
Reported by AlleyWatch and 3 others

Founders and team

From Castellum.AI's own website: 1 founder, 2 on the team.

Peter PiatetskyFounder & CEO

Lee RoggenkampChief Technology Officer
Marissa VenutoChief Operating Officer

Everyone who backed them

CurqlVC firm1round, led 1

AccelVC firm1round

Newfund CapitalVC firm1round

Spider CapitalVC firm1round

Framework Venture PartnersVC firm1round

Remarkable VenturesVC firm1round

Strandview CapitalCorporate VC1round

Cameron VenturesVC firm1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

This firm lists Castellum.AI as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

Ossian CapitalVC firmPer its own site

Quick answers about Castellum.AI

Who invested in Castellum.AI?

Castellum.AI's investors include Curql, Accel, Newfund Capital, Spider Capital and Framework Venture Partners, and 3 more on record. Curql led its latest round.