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Finance

Bankers lose Swiss appeal over Putin friend's accounts, sources say

Published by Global Banking & Finance Review

Posted on May 29, 2026

3 min read

· Last updated: May 29, 2026

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Bankers lose appeal over Swiss bank accounts held by Putin's cellist friend

By John Revill and Oliver Hirt

Swiss Supreme Court Upholds Convictions in Gazprombank Case

ZURICH, May 29 (Reuters) - Four bankers have lost an appeal against their convictions for failing to exercise due diligence in financial transactions when setting up accounts for a friend of Russian President Vladimir Putin, Switzerland's highest court said on Friday.

The Federal Supreme Court said it had upheld a judgement against the four former employees of Gazprombank (Switzerland), who cannot be identified under Swiss reporting restrictions.

Background of the Case

The bankers, who denied any wrongdoing, were found guilty by Zurich's District Court in March 2023 and handed suspended fines totalling more than 450,000 Swiss francs ($574,000).

The men, three Russians and one Swiss, had appealed to Switzerland's highest court after losing an appeal at a lower court in 2024.

Details of the Supreme Court Ruling

In its ruling on Friday, the Supreme Court said that the men had failed to verify whether the money in accounts opened by Sergey Roldugin actually belonged to him. Instead, he could have been a so-called straw-man, holding the funds for someone else.

Roldugin was among scores of members of Putin's inner circle sanctioned by the West, including Switzerland, after Russia invaded Ukraine in 2022.

Concerns Over Beneficial Ownership

Careful enquiries were not made into who was the beneficial owner, and although documents identified Roldugin as the beneficial owner, there were "multiple reasons to doubt this", the court added in a statement outlining its ruling.

Numerous irregularities were identified, while more in-depth inquiries were needed because of Roldugin's close relationship with Putin, the court added in its statement.

"Because of the bank employees' breach of their duty of care, the true beneficial owner ultimately remained unclear," it said. "Accordingly, they committed a criminal offence."

Kremlin Response and Further Details

Kremlin Dismissed Any Links to Putin

A spokesman for Gazprombank said the Swiss ruling was disappointing, adding that it increased uncertainty over how due diligence rules were applied and added further complexity to an already demanding regulatory framework.

In Switzerland, banks are obliged to reject or terminate business relationships if there are doubts about the identity of the contracting party. 

Indictment and Kremlin Reaction

The original indictment against the four bankers said Roldugin had told the New York Times that he was certainly not a businessman and did not himself own millions.

The Kremlin has previously dismissed any suggestion that Roldugin's funds are linked to the president as "Putinophobia".

Financial Transactions and Bank Operations

Roldugin, godfather to Putin's eldest daughter Maria, deposited millions of Swiss francs in an account at the Swiss branch of Gazprombank in Zurich between 2014 and 2016, the first court was told. 

The accounts were closed in 2016, while the Swiss bank ceased operations in 2024.

Legal and Financial Implications

Swiss law meant clarifications were required over how Roldugin's accounts received dividends worth millions of Swiss francs a year and how he had acquired a 20% stake in a media company with a value of more than 100 million francs.

Lawyers for the bankers argued during the original trial it was plausible that Roldugin was rich because he was friends with Putin. Although such favouritism may be frowned upon in Switzerland, this was not relevant, the defence said.

($1 = 0.7837 Swiss francs)   

(Reporting by Oliver Hirt and John Revill; Editing by Alexander Smith)

Key Takeaways

  • The bankers—three Russians and one Swiss—were found guilty by Zurich District Court in March 2023 for inadequate checks on Roldugin’s account, suspected as a strawman setup (swissinfo.ch).
  • Zurich’s High Court upheld the conviction in June 2024, citing implausibility of Roldugin’s wealth and insufficient investigation by the bankers (swissinfo.ch).
  • Under Swiss law, banks must terminate relationships when beneficial ownership is doubtful; here, investigations were deemed insufficient despite dividends of CHF 5–7 million annually and media stake worth over CHF 100 million (swissinfo.ch).

References

Frequently Asked Questions

Who were the bankers involved in the Swiss court ruling?
Four former employees of Gazprombank (Switzerland), three Russians and one Swiss, were involved but cannot be publicly identified under Swiss reporting restrictions.
What was the reason for the bankers' conviction?
The bankers were convicted for failing to exercise due diligence when setting up accounts for Sergey Roldugin, a friend of Russian President Vladimir Putin.
How much were the suspended fines for the bankers?
The suspended fines totaled more than 450,000 Swiss francs, equivalent to about $574,000.
Why were Sergey Roldugin’s accounts scrutinized?
Authorities questioned whether the money in Roldugin’s accounts actually belonged to him, suspecting he may have been used as a strawman to conceal the real owner of the funds.
When did Gazprombank (Switzerland) cease operations?
Gazprombank (Switzerland) ceased operations in 2024.

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