Owen Griffiths

Owen is an Associate in the Fraud Group.

He has worked for both individual and corporate clients across a range of disputes.

Since joining Mishcon de Reya, Owen has drawn on his previous experience in law enforcement to advise on and conduct private prosecutions and has also been able to use this insight when working alongside the firm's Family team to provide advice to clients in relation to Abuse and Coercive Control matters.

He also has experience of civil claims concerning conspiracy, breach of fiduciary duties and cryptocurrencies. He has knowledge of asset recovery techniques such as freezing, Norwich Pharmacal and third-party disclosure orders.

Owen's experience includes advising four-time IndyCar champion Álex Palou in a claim brought by McLaren - recognised by The Lawyer as one of the Top 20 Cases for 2025.

Prior to qualifying as a solicitor, Owen worked as a Detective in the Metropolitan Police Service (MPS), specialising in complex fraud and financial crime investigations, including cases with a cross-jurisdictional element. Owen served in the Organised Crime Command and Specialist Operations teams within the MPS, whilst also being accredited as a Financial Investigator by the National Crime Agency.

Key Experience

• Advising trustees in relation to the conduct of a private prosecution, which is currently due for trial, in which it is alleged that a former trustee abused his position to defraud the trust of approximately £750,000.

• Advising rights holders in relation to private prosecutions and related enforcement action.

• Conducting a complex costs appeal arising from a successful private prosecution.

• Provided private prosecution advice to a client, including with regard to cross-border banking arrangements and systems, the relevance and effect of foreign judgments on UK proceedings, and the law in relation to corporate criminal liability.

• Assisted in the private prosecution of sophisticated counterfeiters, for fraud against a prominent clothing brand.

• Advising trustees in relation to the conduct of a private prosecution, which is currently due for trial, in which it is alleged that a former trustee abused his position to defraud the trust of approximately £750,000.

• Advising rights holders in relation to private prosecutions and related enforcement action.

• Conducting a complex costs appeal arising from a successful private prosecution.

• Provided private prosecution advice to a client, including with regard to cross-border banking arrangements and systems, the relevance and effect of foreign judgments on UK proceedings, and the law in relation to corporate criminal liability.

• Assisted in the private prosecution of sophisticated counterfeiters, for fraud against a prominent clothing brand.

Career History

Associate, Mishcon de Reya LLP
Trainee Solicitor, Howard Kennedy LLP
Detective, Metropolitan Police Service
Police Officer, Sussex Police
The University of Law, Accelerated LPC LLM
BPP Law School, GDL
Cardiff University, BA (Hons) English Literature