Singapore’s financial regulator has imposed a total of US$21.5 million (S$27.45 million) in penalties on nine banks and financial institutions, including global giants UBS and Citi, for compliance failures tied to a sprawling money-laundering case that has shaken confidence in the city-state’s wealth management sector.
The Monetary Authority of Singapore (MAS) announced the fines in connection with a US$2 billion money-laundering scandal involving online gambling syndicates and the convictions of 10 Chinese nationals. The scandal, which triggered high-profile asset seizures—including gold bars and luxury vehicles—has placed renewed scrutiny on the robustness of anti-money laundering (AML) controls in one of Asia’s premier financial hubs.
The Financial Times, which first reported on the regulator’s findings, noted that the S$27.45 million in collective fines is the second-largest financial penalty MAS has ever issued, surpassed only by the enforcement linked to the 1MDB corruption case.
In its report, MAS criticized the banks for “poor and inconsistent implementation” of AML safeguards, citing failures in client due diligence, inadequate verification of customers’ source of wealth, and lapses in how suspicious transactions were flagged and investigated.
Among the institutions penalized, Credit Suisse—which was acquired by UBS—received the heaviest individual fine of S$5.8 million. UBS was fined S$3 million, while Citi faced a S$2.6 million penalty. Other penalized firms included Julius Baer, LGT, United Overseas Bank (UOB), and Blue Ocean Invest, among others.
“Like other major international financial centres, Singapore is exposed to money-laundering risks,” said Ho Hern Shin, MAS’s deputy managing director for financial supervision. “MAS will work closely with financial institutions to promote more consistent implementation of [anti-money laundering] measures. Where there are serious failings by FIs and their employees, MAS will not hesitate to take firm action.”
UOB acknowledged the findings and stated it had implemented remedial measures, including enhancing transaction monitoring and due diligence processes. Citi Singapore said it had strengthened onboarding and monitoring systems and would continue working with authorities to protect the integrity of Singapore’s financial system.
Trident Trust, LGT, Julius Baer, and Blue Ocean Invest also said they had cooperated fully with MAS and made improvements to internal policies in response to the findings.
The scandal highlights the growing tension between Singapore’s ambitions to attract global wealth and its need to maintain stringent regulatory standards. Despite its reputation for financial discipline, the case demonstrates the vulnerabilities that even the most advanced markets face in combating illicit financial flows.

