Castellum.AI
Agentic Screening for AML
New York, United States · Founded 2017 · $12.5M raised
- Headquarters
- New York, New York
- Employees
- 11–50
- Founded
- 2017
- Business Model
- B2B
- Website
- castellum.ai
- Total Funding
- $12.5M
- Last Round
- $8.5M Series AJul 2025
- Rounds
- 2
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
Castellum.AI is a New York-based RegTech company founded in 2017 by Peter Piatetsky (CEO, ex-regulator and banking executive) and Julian Vasilkoski (CTO, background in high-frequency trading). The platform provides end-to-end financial crime compliance infrastructure combining proprietary global risk data from 200,000+ sources, real-time AML/KYC screening, and explainable AI agents (branded Arbiter) that resolve L1 and L2 compliance alerts in under a second. Customers include banks, credit unions, fintechs, and digital asset firms. The platform reduces false positives by 94% and alert review time by 83% out of the box. Castellum.AI raised an $8.5M Series A in July 2025 and is SOC 2 Type II compliant.
Summary
Castellum.AI is an Artificial Intelligence company based in New York, United States, founded in 2017. It has raised $12.5M in total across 2 rounds, most recently a $8.5M Series A round in Jul 2025. Investors include Spider Capital, Curql Fund and Remarkable Ventures.
Tech & App Stack
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Funding History
Jul 2025
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Funding: Seed through Series A. Amounts, valuations, and investors where available.
Investors
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