Billionaires' Secret Swiss Accounts Just Cost UBS $511 Million

Tuesday, 06/05/2025 | 07:07 GMT by Damian Chmiel
  • UBS will pay over $0.5B to settle a U.S. investigation into Credit Suisse's tax evasion practices involving wealthy Americans.
  • The case revealed Credit Suisse helped clients hide over $4 billion from tax authorities despite a previous 2014 agreement to stop such practices.
UBS credit suisse swiss

UBS Group AG (UBS) has agreed to pay $511 million to resolve a U.S. investigation into tax evasion practices at Credit Suisse, the Swiss bank it acquired last year. The settlement addresses allegations that Credit Suisse continued helping wealthy Americans hide assets from the Internal Revenue Service (IRS) even after a previous 2014 plea agreement.

UBS to Pay $511 Million to Settle Credit Suisse Tax Evasion Case

A Credit Suisse unit pleaded guilty to conspiring to help clients conceal more than $4 billion from tax authorities across at least 475 offshore accounts. Additionally, U.S. authorities filed a criminal charge related to accounts at Credit Suisse's Singapore operations, which will be dismissed if the bank cooperates with ongoing investigations.

“UBS was not involved in the underlying conduct and has zero tolerance for tax evasion,” UBS stated, noting it expects to recognize a credit at group level from the partial release of contingent liabilities established during its Credit Suisse acquisition.

Credit Suisse's Hidden Accounts

Court documents revealed that Credit Suisse enabled tax evasion by several wealthy clients, including an unnamed European billionaire with U.S. residency. Despite news articles identifying this individual as a U.S. resident as early as 2010, Credit Suisse kept the account open for years.

The settlement follows a 2023 Senate Finance Committee report that identified “major violations” of Credit Suisse's 2014 plea agreement. Senator Ron Wyden, the ranking Democratic member of the committee, stated: “This settlement fully vindicates the findings of my investigation.”

The case also detailed how the bank helped Dan Horsky, an American business professor who pleaded guilty in 2016 to hiding more than $200 million from the IRS, and a U.S.-Colombian family that concealed approximately $90 million between 2010 and 2017.

Acquisition Aftermath

Under the agreement, UBS must continue cooperating with U.S. authorities and disclose information about U.S.-related accounts, potentially exposing more clients to prosecution. The settlement provides no protections for individuals involved.

The resolution comes as UBS manages the aftermath of its Credit Suisse acquisition more than two years ago, including addressing other legal matters such as an ongoing investigation into Credit Suisse's handling of Nazi-linked accounts.

In the acquisition deal, UBS paid CHF 3 billion and assume up to $5.4 billion in losses generated by the troubled Swiss-based creditor.

Large banks, however, are accustomed to hefty fines, often setting aside substantial reserves in their annual budgets to cover them. In late 2022, FinanceMagnates.com reported that Credit Suisse paid nearly $500 million in a settlement related to the 2008 financial crisis.

UBS Group AG (UBS) has agreed to pay $511 million to resolve a U.S. investigation into tax evasion practices at Credit Suisse, the Swiss bank it acquired last year. The settlement addresses allegations that Credit Suisse continued helping wealthy Americans hide assets from the Internal Revenue Service (IRS) even after a previous 2014 plea agreement.

UBS to Pay $511 Million to Settle Credit Suisse Tax Evasion Case

A Credit Suisse unit pleaded guilty to conspiring to help clients conceal more than $4 billion from tax authorities across at least 475 offshore accounts. Additionally, U.S. authorities filed a criminal charge related to accounts at Credit Suisse's Singapore operations, which will be dismissed if the bank cooperates with ongoing investigations.

“UBS was not involved in the underlying conduct and has zero tolerance for tax evasion,” UBS stated, noting it expects to recognize a credit at group level from the partial release of contingent liabilities established during its Credit Suisse acquisition.

Credit Suisse's Hidden Accounts

Court documents revealed that Credit Suisse enabled tax evasion by several wealthy clients, including an unnamed European billionaire with U.S. residency. Despite news articles identifying this individual as a U.S. resident as early as 2010, Credit Suisse kept the account open for years.

The settlement follows a 2023 Senate Finance Committee report that identified “major violations” of Credit Suisse's 2014 plea agreement. Senator Ron Wyden, the ranking Democratic member of the committee, stated: “This settlement fully vindicates the findings of my investigation.”

The case also detailed how the bank helped Dan Horsky, an American business professor who pleaded guilty in 2016 to hiding more than $200 million from the IRS, and a U.S.-Colombian family that concealed approximately $90 million between 2010 and 2017.

Acquisition Aftermath

Under the agreement, UBS must continue cooperating with U.S. authorities and disclose information about U.S.-related accounts, potentially exposing more clients to prosecution. The settlement provides no protections for individuals involved.

The resolution comes as UBS manages the aftermath of its Credit Suisse acquisition more than two years ago, including addressing other legal matters such as an ongoing investigation into Credit Suisse's handling of Nazi-linked accounts.

In the acquisition deal, UBS paid CHF 3 billion and assume up to $5.4 billion in losses generated by the troubled Swiss-based creditor.

Large banks, however, are accustomed to hefty fines, often setting aside substantial reserves in their annual budgets to cover them. In late 2022, FinanceMagnates.com reported that Credit Suisse paid nearly $500 million in a settlement related to the 2008 financial crisis.

About the Author: Damian Chmiel
Damian Chmiel
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About the Author: Damian Chmiel
Damian Chmiel is a Senior Analyst & Editor at Finance Magnates with more than 15 years of experience in the CFD and online trading industry. Active as both a trader and journalist since 2010, he focuses on broker coverage, fintech innovation, and regulatory developments across Europe, the Middle East, and Asia. His work includes interviews with C-level leaders at major brokerages and fintech platforms, as well as co-authoring Finance Magnates’ quarterly industry benchmarking reports. Damian’s reporting is data-driven, market-aware, and grounded in direct industry engagement. His analysis and commentary have also been cited by external media outlets, including Investing.com, Binance, The Asset, Stockhead, and Dispatch. Education: MA in Finance and Accounting, Cracow University of Economics
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