Abramovich Wealth Tax Scandal: Leaked Documents Suggest Financial Records Were Falsified
Leaked corporate documents suggest that advisers working for Russian billionaire Roman Abramovich falsified and backdated financial paperwork to conceal assets and reduce tax liabilities linked to his business empire.
An investigation published on October 12, 2026, by The Guardian and its media partners examined hundreds of thousands of corporate records connected to Abramovich’s offshore businesses. The documents reportedly reveal how advisers reorganised company accounts and created paperwork that appeared to show transactions had occurred years before the documents were prepared.
The allegations concern financial arrangements dating from the late 1990s to at least 2013. Abramovich’s lawyers have denied wrongdoing, saying he relied on professional tax and legal advice.
Leaked Documents Reveal Alleged Tax Scheme
The investigation draws on the Cyprus Confidential leak, a collection of more than 500,000 corporate documents examined by journalists working with the International Consortium of Investigative Journalists and other media organisations.
According to the investigation, the records describe how advisers moved money through offshore companies and trusts to manage Abramovich’s wealth.
The documents suggest that some agreements were created years after the dates written on them. Investigators say this paperwork may have been used to make financial transactions appear different from what actually happened.
Experts consulted by the journalists said the alleged arrangements could amount to tax evasion or fraudulent misrepresentation if the documents were deliberately used to mislead tax authorities.
However, these findings are based on leaked records and expert analysis. They do not, by themselves, establish criminal liability for every person or company mentioned.
How Billions From Sibneft Were Managed
A major part of the investigation concerns money generated by Sibneft, the Russian oil company Abramovich acquired during the country’s post-Soviet privatisation period.
Abramovich later sold his remaining Sibneft shares to state-controlled Gazprom in 2005. The transaction generated billions of dollars that helped finance his wider investment portfolio.
One offshore company, Kravin Investments, reportedly received a substantial amount of this money in 2003.
The leaked records suggest that advisers later sought to change the company’s financial statements to show that it had held the money on behalf of another offshore business.
Emails cited in the investigation indicate that discussions about changing the accounts took place in 2005. Documents prepared later allegedly carried dates from 2003, creating the appearance that the arrangements had existed earlier.
According to the investigation, the changes removed approximately $2 billion from Kravin’s reported balance sheet.
Financial crime experts told the journalists that such an arrangement could have reduced the company’s apparent tax liability.
Advisers and Accountants Under Scrutiny
The investigation names several people who reportedly helped manage Abramovich’s financial affairs.
They include Eugene Tenenbaum, a close business associate, and Demetris Ioannides, a former Deloitte Cyprus chairman who later ran financial services firm MeritServus.
The leaked records reportedly show discussions among advisers about changing company accounts, preparing agreements and transferring assets between offshore entities.
The investigation also raises questions about Deloitte Cyprus’s role in reviewing some of the accounts.
Deloitte Cyprus said it complies with applicable laws and regulations. The firm said the correspondence was more than 20 years old and that it could no longer access the relevant material.
Ioannides’s lawyer was unable to comment for personal reasons, according to the report.
The allegations have increased scrutiny of the professionals who manage wealthy clients’ offshore businesses and the safeguards designed to prevent financial misconduct.
Luxury Assets Allegedly Removed From Company Accounts
The investigation also examined a company called Amiscan Investments, which reportedly held luxury properties and other assets linked to Abramovich.
These included a mansion in West Sussex, a London penthouse, a French property, aircraft, helicopters and yachts.
The records suggest that advisers prepared documents making it appear that assets had been transferred to an offshore shareholder before disclosure requirements applied.
The investigation estimated that the assets involved were worth hundreds of millions of dollars.
According to the journalists, Amiscan’s later accounts no longer listed several of the properties and vehicles.
Abramovich’s lawyers denied improper backdating, falsification and tax evasion. They also said their client relied on professional advisers and could not recall the details of documents created more than two decades ago.
Questions Over Evidence Given to a UK Court
The investigation raises a separate concern involving a legal dispute heard by the UK High Court in 2008.
The case concerned a business dispute between Abramovich and former business partner Chalva Tchigrinski.
Tenenbaum reportedly told the court that he had no knowledge of certain transactions before 2004. However, leaked records appear to show that he had signed agreements relating to some of those transactions in 2003.
The Guardian said the documents appeared to conflict with his testimony.
Tenenbaum’s lawyers denied that he had misled the court, saying he gave evidence honestly and in good faith. Abramovich’s lawyers also denied that their client’s evidence had misled the court.
The documents raise questions, but they do not establish that a court has found either man guilty of perjury.
Abramovich Denies Wrongdoing
Abramovich’s representatives rejected suggestions that he evaded tax or attempted to deceive Cypriot authorities.
They said he relied on advice from professional advisers and denied knowledge of any unlawful tax arrangements.
The investigation adds to previous reporting about the billionaire’s offshore investments and financial affairs.
For now, the leaked documents have raised significant questions about how his wealth was managed and whether some financial records were deliberately altered. The allegations remain disputed, and any determination of criminal liability would require appropriate legal proceedings and evidence.
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