Castellum.AI

Castellum.AI is a New York-based regulatory technology company that automates anti-money-laundering and know-your-customer compliance for banks, credit unions, fintechs and crypto firms. Its platform pairs in-house risk data drawn from 200,000+ global sources with explainable AI agents that screen for sanctions, politically exposed persons and adverse media, cutting alert volume by 94% and review time by 83% out of the box. Founded by a former U.S. Treasury sanctions officer, the company raised an $8.5M Series A in July 2025 led by Curql.