Barry Donnelly Partner

Barry has more than 35 years' experience in international disputes and investigations, involving banking, finance, financial services, fund and asset management, trusts, insolvency, fraud and financial crime. As a Skilled Person, he has conducted numerous business critical regulatory reviews in both the UK and overseas.

Barry has particular expertise in large scale financial litigation and arbitration as well as regulatory investigations and proceedings.

He represents clients in connection with investigations and proceedings involving both UK and overseas regulatory bodies and government agencies, including the Financial Conduct Authority, the Serious Fraud Office, the Department of Justice, the SEC and the CFTC. He frequently advises and conducts internal investigations for financial institutions and other regulated investment businesses; examples include matters involving failings in systems and controls, internal fraud, market abuse, insider dealing, misleading statements, money laundering, bribery and corruption, and failure to prevent economic crime.

Barry's representation of clients has included complex, multi-jurisdiction disputes and investigations involving the co-ordination of proceedings or the obtaining of evidence abroad, as well as information requests from international courts, regulators and government agencies under the Hague Evidence Convention or the Criminal Justice (International Co-operation) Acts.

What people are saying


"Barry Donnelly is extremely experienced and tough while remaining courteous and professional throughout. A class act."

The UK Legal 500 2023

"Barry Donnelly is an exceptionally experienced and talented lawyer. Clients love him and he gets results."

The UK Legal 500 2023

"Barry Donnelly has unparalleled experience and expertise in this area and is trusted by the most significant institutional clients to deal with their most complex and sensitive matters. He is first class."

The UK Legal 500 2022

"Barry Donnelly is hands down excellent. Sharp as a tack, smart, personable and practical."

The UK Legal 500 2022

"Barry Donnelly is extremely knowledgable, charming, patient and firm where he needs to be."

The UK Legal 500 2022

"The "excellent" Barry Donnelly is accomplished at acting for both domestic and international banks on high-value banking disputes. He also provides advice during regulatory investigations and enforcement actions."

Chambers UK 2020

Quick reads