Mishcon de Reya LLP

Leslie Allen

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Leslie is a partner in the dispute resolution team, focusing on tax litigation and investigations tax. He has over 30 years' experience in the conduct of complex disputes and has been responsible for the conduct of high profile litigation at all levels from the Tax Tribunal through to the Supreme Court and the Court of Justice of the European Union. He has previously worked with HM Customs and Excise Solicitor's Office, KPMG and Ernst & Young. In recent years he has become heavily involved in direct tax disputes ranging from residence, EBT's and corporation tax disputes. Leslie's experience includes assisting clients with the increased burdens they face in dealing with the authorities, especially with increasingly aggressive tactics by HMRC including dawn raids and investigations.


Partner, Mishcon de Reya LLP; Senior Consultant, DLA Piper UK LLP; Partner, Dorsey & Whitney; Director, EY