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Tom joined Gherson in 2021 from the Serious Fraud Office (SFO) where he initially worked as disclosure counsel on LIBOR cases as well as the Barclays Qatar case. Tom then moved into a prosecution role, where he led significant aspects of international fraud investigations. At the SFO, Tom provided legal expertise in relation to interviews, searches, extradition and Mutual Legal Assistance.

Since joining Gherson, Tom has used his experience to lead high-profile international cases as both a defence and prosecution lawyer to advise both individuals and corporations in their multi-agency domestic and multi-jurisdictional proceedings and regulatory actions.

Tom has a particular focus on advising clients in relation to extradition, Mutual Legal Assistance and INTERPOL matters, specifically in relation to cross-border proceedings involving allegations of complex financial crime, bribery and corruption and money laundering.

In 2016, Tom completed an LLM in Financial Regulation and Compliance culminating in a dissertation focused on the regulation of blockchain technology. With this deep understanding of blockchain technology, digital currencies and crypto-assets, Tom also advises both individuals and corporations on the financial regulation and compliance aspects of cryptocurrencies. Tom regularly writes and comments on these topics and is frequently quoted in the press.

Languages spoken: English.
Notable Experience (some prior to joining Gherson)
  • While working with the SFO, leading significant aspects of the multi-jurisdictional investigations and negotiations resulting in the Airbus SE Deferred Prosecution Agreement (DPA), the world’s largest global settlement for bribery and corruption. This work was undertaken in collaboration with overseas prosecuting agencies, including the US Department of Justice and French Parquet Nationale Financier.
  • Advising individuals regarding INTERPOL Red Notices and data protection issues and making representations to INTERPOL in a variety of circumstances.
  • Advising a company responding to a request under data protection law and a Crown Court production order.
  • Advising in relation to a SFO UK property freezing order against the backdrop of a complex multi-jurisdictional case concerning allegations of bribery and corruption.
  • Being a core member of the team advising on the UK’s first Unexplained Wealth Order.
  • Advising in relation to litigation in a multi-jurisdictional cryptocurrency-related dispute.
  • Advising on anti-money laundering compliance procedures, including in relation to crypto-assets and non-fungible tokens.
  • Advising numerous individuals on frozen bank accounts and account freezing orders.
  • Admissions & Memberships
  • Admitted as a Solicitor in England and Wales: 2011
  • Fraud Lawyers Association
  • Defence Extradition Lawyers Forum
  • Recognitions & Publications

    Chambers and Partners HNW Guide 2025
    Financial Crime: High Net Worth Individuals.

    Chambers and Partners HNW Guide 2024
    Up and Coming: Financial Crime: High Net Worth Individuals.

    Chambers and Partners UK Guide 2024-2025
    Up and Coming: Extradition.

  • Legal Developments in the seizure and recovery of cryptoassets.
  • HMRC NFT seizures.
  • Crypto Assets.
  • HM Treasury’s AML Review.
  • Crypto Assets and Financial Crime.
  • Tom assisted in drafting the SFO’s Operational Handbook DPA section.
  • "Thomas Cattee is an exceptional solicitor. He is fiercely intelligent, and with a sophisticated, practical, commercial sense that makes him adept at finding solutions for his clients." Chambers and Partners

    "It's a great experience to work with Thomas Cattee." Chambers and Partners

    "Thomas was highly knowledgeable, efficient and proactive throughout my case. He quickly understood the complexities and connected me with the right people, achieving results that others couldn't." Chambers and Partners

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