Jason is a Partner in the Risk Advisory Services business group, where he leads the Litigation, Regulatory and Tax teams.
Jason is one of the leading tax practitioners in the UK. He specialises in representing corporate and individual clients who are the subject of a tax audit – and resolves complex disputes with HM Revenue & Customs in all aspects of direct tax and VAT, as well as tax treaty and State aid disputes involving other jurisdictions.
Where necessary, he handles litigation before the Tax Courts and all the way through to the Court of Justice - with a particular expertise in class actions and "Group Litigation Orders".
He also represents clients under criminal investigation, including representation at "dawn raids" and interviews under caution.
Jason is a leading expert on Country-by-Country reporting, FATCA and the OECD's Common Reporting Standard, advising companies, financial institutions and individuals across the world on the application of automatic exchange of information, with a particular focus on trusts, investment companies and funds.
Jason is a Committee member of the Chartered Institute of Taxation and is consistently top-ranked in Legal 500 and Chambers, where he is described as a "fantastic name in the market".