MAS Fines Nine Financial Institutions S$27.45 Million for AML Failures in 2023 Money Laundering Case Fallout
Penalties conclude two-year probe into ties to S$3 billion scandal; prohibition orders issued to four executives.
By Wei Chen·April 2, 2026·5 min readOrionmano Industries
Penalties conclude two-year probe into ties to S$3 billion scandal; prohibition orders issued to four executives.
The Monetary Authority of Singapore imposed S$27.45 million in composition penalties on nine financial institutions on 4 July 2025 for anti-money laundering and countering the financing of terrorism (AML/CFT) breaches linked to the August 2023 S$3 billion money laundering case, marking the conclusion of supervisory examinations that ran from early 2023 to early 2025. The enforcement action, the second-largest cumulative AML penalty in Singapore's history, included prohibition orders against four executives at a single capital markets services licensee, signaling a zero-tolerance posture that holds both institutions and individuals accountable. As MAS continues to scrutinize AML/CFT compliance across payment institutions and capital markets, regulated entities face escalating consequences in the run-up to the Financial Action Task Force (FATF) evaluation of Singapore.
MAS Imposes S$27.45 Million in Penalties on Nine Financial Institutions
On 4 July 2025, MAS announced regulatory actions against nine financial institutions for AML/CFT breaches identified during examinations with a material nexus to persons of interest in the major money laundering case uncovered in August 2023. The total composition penalties amounted to S$27.45 million, concluding MAS's supervisory examinations of financial institutions tied to the case. The breaches were identified during examinations conducted from early 2023 to early 2025, with MAS observing that most of the affected institutions had established AML/CFT policies and controls but fell short in implementation.
The composition penalties considered several factors, including the extent of each financial institution's exposure to the persons of interest, the number of breaches of MAS requirements, and the degree of weakness in the institution's AML/CFT controls. MAS also issued public and private reprimands to individuals from Trident Trust Company (Singapore) Pte. Limited and United Overseas Bank Limited.
Penalty Breakdown by Institution Type and Amount
The S$27.45 million in composition penalties was distributed across six banks, two capital markets services licence holders, and one licensed trust company. Among the banks, Credit Suisse Singapore Branch received the largest single penalty at S$5.8 million, followed closely by United Overseas Bank Limited at S$5.6 million. UBS AG, Singapore Branch was fined S$3 million, Citibank N.A. Singapore and Citibank Singapore Limited (collectively "Citi") received S$2.6 million, Bank Julius Baer & Co. Ltd., Singapore Branch was fined S$2.4 million, and LGT Bank (Singapore) Ltd. received S$1 million. Among capital markets services licence holders, UOB Kay Hian Private Limited was penalized S$2.85 million, and Blue Ocean Invest Pte. Ltd. received S$2.4 million. Trident Trust Company (Singapore) Pte. Limited, the sole licensed trust company named, was fined S$1.8 million.
Exhibit
Composition Penalties Imposed on Nine Financial Institutions (S$ million)
Penalties tied to AML/CFT breaches in the 2023 money laundering case
Individual Accountability: Prohibition Orders Issued to Senior Managers
MAS issued prohibition orders ranging from three to six years to four individuals at Blue Ocean Invest Pte. Ltd., the capital markets services licence holder penalized S$2.4 million. Mr. Tsao Chung-Yi, Chief Executive Officer and Executive Director of BOIPL, received a six-year prohibition order effective 1 August 2025. Ms. Wong Xuan Ling, Chief Operating Officer, received a five-year prohibition order effective 1 August 2025. Mr. Hsia Lun Wei @Henry Hsia, Executive Director and Relationship Manager, received a three-year prohibition order effective 30 June 2025. Ms. Deng Xixi, former Relationship Manager, received a three-year prohibition order effective 30 June 2025.
The breaches at BOIPL included failures to develop, update, and audit effective AML/CFT policies, insufficient customer due diligence, and neglecting to escalate or investigate red flags associated with high-risk clients. The prohibition orders prevent these individuals from performing any regulated activity under the Securities and Futures Act or taking part in the management of any capital markets services firm for the duration of their orders.
Signaling Tougher Enforcement: Context and Regulatory Trajectory
The S$27.45 million penalty is the second-largest cumulative AML penalty imposed by MAS, surpassed only by the S$29.1 million in financial penalties levied on eight banks in connection with the 1MDB scandal. The enforcement action follows a notably active enforcement season. On 27 June 2025, MAS imposed composition penalties totaling S$960,000 on five major payment institutions licensed to provide cross-border money transfer services for AML/CFT breaches—the first publicly reported instance of penalties levied against licensed payment service providers in Singapore for such failures.
The enforcement signals a zero-tolerance stance and raises the bar for AML/CFT controls ahead of the FATF's scheduled visit to Singapore. Industry observers note that MAS has raised the bar for gatekeeping processes, particularly for firms directly handling customer money and assets. Routine examinations and inspections are expected to continue, with financial institutions exhibiting material weaknesses likely to face heavy penalties. The trajectory suggests that financial institutions must strengthen governance and risk-sensitive controls to avoid escalating penalties and prohibition orders as Singapore prepares for FATF evaluation.
