Barry Donnelly Partner

Barry has more than 30 years' experience in international disputes and investigations, involving banking, finance, financial services, fund and asset management, trusts, insolvency, fraud and financial crime. He has been approved as a Skilled Person by the Financial Conduct Authority and has conducted numerous business critical regulatory reviews in both the UK and overseas.

Barry has particular expertise in large scale financial litigation and arbitration, and 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 London Stock Exchange, the Panel on Takeovers and Mergers, 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, conflicts of interest, internal fraud, the alleged manipulation of LIBOR, precious metals, FX and commodities trading, 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, often cross-border, 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, such as under the Hague Evidence Convention or the Crime (International Co-operation) Act 2003. Overseas jurisdictions have included the Cayman Islands, the BVI, the Bahamas, Bermuda, Luxembourg, Liechtenstein, France, Italy, the Isle of Man, Jersey, Guernsey, Brazil, Switzerland, Hong Kong, Singapore, China, Malaysia, Mauritius, Indonesia, Greece, Ireland, the United States, the Netherlands, Sweden, Denmark, Iceland and Russia.

What people are saying

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"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

"Barry Donnelly is among the very best financial services litigators in the London market; his breadth of knowledge and depth of experience allow him to give quick, insightful and practical advice."

The UK Legal 500 2019

"Barry Donnelly leads the banking, finance and financial services dispute resolution practice at Macfarlanes LLP and regularly counsels clients on international litigation and arbitration. Interviewees describe him as 'a high-quality lawyer' and commend his 'pragmatic and very commercial demeanour.'"

The UK Legal 500 2018

"Barry is 'extremely intelligent, diligent and perceptive of how to advance his clients’ cases'."

The UK Legal 500 2017

"Excellent litigator 'Barry Donnelly is recognised for his ability to handle major complex financial litigation, especially matters with significant international elements. He has a wealth of cross-border experience involving both the USA and the UK, has really good judgement and really good client handling skills. He is also highly adept at explaining technical legal issues to clients, since he's a master of his subject area.'"

Chambers UK 2017

"Barry Donnelly is praised as a 'very experienced litigator with an excellent client base,' known for doing 'high-value, high-quality banking work.' He receives additional praise for his handling of complex cross-border matters."

Chambers UK 2016

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