American Express Fined $350 Million Over Money-Laundering Oversight Failures

United States regulators have penalized American Express with a $350 million fine following an investigation that uncovered widespread compliance deficiencies. The financial watchdog cited systemic breakdowns in the company's anti-money laundering controls, which resulted in massive volumes of potentially illicit fund movements going unnoticed over several years.

According to regulatory findings, the credit card and payments giant failed to detect and report an estimated $13 billion in suspicious transactions. Authorities noted that inadequate surveillance algorithms, weak compliance staffing, and flawed transaction-monitoring infrastructure severely compromised Amex's ability to alert federal enforcement agencies to red-flag behavior.

The enforcement action underscores intensifying regulatory pressure on major financial institutions to reinforce their Know Your Customer (KYC) and Bank Secrecy Act safeguards. Amex's systems routinely failed to trigger alerts on high-risk accounts and cross-border payment activities, allowing illicit financial flows to operate unchecked beneath standard reporting thresholds.

Under the terms of the settlement, American Express will overhaul its compliance risk management architecture and submit to independent monitoring. The company must also conduct comprehensive historical reviews of previously unflagged transactions to identify any lingering exposure to money laundering and illicit finance networks.