Czech-founded Resistant AI, a provider of native AI models for financial crime and fraud prevention, has announced a $25 million (€21.6 million) Series B funding round. The round was led by DTCP, with strong participation from existing investors including Experian, GV, and Notion Capital, who doubled down on their previous commitments.
The company, which reached breakeven in September, plans to use the new capital to solidify its position as a profitable EU AI leader, expand its document fraud detection and transaction monitoring offerings into new territories and partnerships, and further develop its threat intelligence capabilities.
Tackling the challenges of agentic AI solutions in fraud detection
The new investment comes at a time when the anti-fraud and regtech market is being reshaped by agentic AI solutions that replace static workflows with adaptive, cost-efficient systems. However, large language model (LLM)-based agents face inherent limitations — including an inability to perform quantitative risk analysis, hallucination rates of 10–30%, and vulnerability to adversarial manipulation.
Resistant AI aims to protect and empower these AI agents and the human fraud, risk, and compliance teams that rely on them. Its proprietary machine learning models detect fraud across documents, transactions, and behavioral patterns while integrating seamlessly with customers’ existing risk technology stacks.
Martin Rehak, CEO and Founder of Resistant AI, commented:
“The financial crime landscape has fundamentally changed with the deployment of LLMs and AI agents in risk prevention settings, and the weaponization of generative AI by fraudsters. Our fraud and fincrime models empower both human and AI co-pilots to combat these threats at scale. This funding, combined with our near-term path to profitability, allows us to accelerate our mission of protecting the global financial system from increasingly sophisticated criminal networks.”
This integrated approach delivers significant gains in recall, precision, and contextual decision-making, enabling more effective detection of sophisticated crimes such as Real-time payment (APP) fraud, Synthetic corporate identity fraud, Money muling, among others.
Rising tide of AI-driven financial crime
According to Resistant AI’s Threat Intelligence research, the Fraud-as-a-Service economy is maturing rapidly, with online marketplaces now selling over 160,000 pre-verified accounts from more than 3,000 financial institutions, fueling APP scams that have cost the global economy over $1 trillion.
Michael Rager, Partner at DTCP Growth,shared:
“Resistant AI represents the future of financial crime prevention. Their in-house, multi-model approach to fraud detection marks a paradigm shift in how financial institutions can protect themselves and their customers. We look forward to partnering with Martin and the team as they enter their next stage of growth.”
Since its Series A round, Resistant AI has achieved remarkable growth, including a tenfold increase in Annual Recurring Revenue (ARR), a fourfold expansion in its customer base, verification of over 150 million documents, and a hundredfold growth in transaction fraud and anti–money laundering (AML) analysis volumes.
