“A very bright man who has great depth of knowledge of the way civil litigation interplays with ciminal law.”
“He is very intelligent, has a good grasp of the detail in a case and is very hard working.”
“Offers first-rate advice and can be trusted with the most difficult cases.”
Chambers & Partners Guide to the UK Bar and Chambers Global editions 2013 – 2018
David O’Mahony specialises in cases in which international issues arise. He has particular experience in offshore issues. His practice has ranged across this field of the law being instructed in cases involving money laundering and criminal fraud, civil and commercial law (particularly fraud), arbitration (both commercial and investment arbitration), domestic and international financial regulation and international crime. He advises on public and private international law and international criminal law.
He has deep knowledge of the law of bribery and corruption.
He has acted for and against companies as well as individuals in corruption cases. He has also acted in parallel civil and criminal proceedings and has in depth knowledge of how the civil law of director’s duties interact with the criminal law of bribery. He has acted for a number of developing world governments in corruption investigations and negotiated a settlement agreement with one of the world’s largest multi nationals.
David has been instructed in cases in the UK, Africa, the Caribbean, Central Asia, the Channel Islands (particularly Jersey), the Gulf, the Indian sub – continent and South East Asia. He has been called to the bar in Australia, the DIFC courts and the TCI. He is on the list of counsel at the International Criminal Court and the Special Tribunal for Lebanon in the Hague, and has acted successfully for the UK government in the European Court of Human Rights. He has appeared as junior counsel in commission hearings in the Indian courts and in the Privy Council. He is on the Serious Fraud Office ‘A’ Panel for Proceeds of Crime Act cases.
He has worked with Swiss investigating magistrates and the USDOJ as well as public authorities in the developing world.
David has degrees from Cambridge University and the University of Queensland, and tutored Public Law at the London School of Economics and Political Science (‘LSE’). He attended the Hague Academy of International Law Advanced Course in International Criminal Law and the European University Institute Human Rights Law summer school.
David’s professional memberships include the International Bar Association and Chatham House.
David is also co-author of a chapter on civil fraud and the cross over issues between civil and criminal fraud proceedings in Butterworths Fraud Practice.
He has given talks for the United Nations Office on Drugs and Crime (UNODC) in Turkmenistan and Kazakhstan and was instructed by the UNDP to assist in its review of the draft Criminal Procedure Act for Sierra Leone.
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