Resistant.AI

Resistant AI is a Prague-headquartered fincrime and document-fraud vendor founded in 2019 by Martin Rehak, with around USD 25M Series B funding raised in 2025. Resistant Documents uses 500+ machine-learning detectors to spot tampered IDs, bank statements, payslips and utility bills with explainable verdicts; Resistant Transactions overlays AI on existing AML/transaction-monitoring systems to catch synthetic identities, mule networks, money laundering and APP fraud. Both products are sold to banks, lenders and payment companies on quote-based annual contracts.