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My focus is on the technical and tactical management of enquiries by HMRC, and I use my litigious experience to negotiate with and pressurise HMRC into conceding issues and agreeing settlements. My experience also includes setting up and managing Group Litigation Orders.

I am a member of the International Tax Sub-Committee of the Law Society, the VAT Practitioners Group and the Solicitors' Association of Higher Court Advocates.

I am regularly asked to comment on tax matters across all forms of media, including by the Financial Times, Guardian, Independent, International Herald Tribune, Observer, and Telegraph; and I have had interviews broadcast on the BBC, BBC Radio 4, Bloomberg, CNN, CNBC Europe, and London Live. My publications include chapters of "Revenue Law; Principles and Practice" and "HMRC Investigations Handbook" (both of which I update annually).

My group is acclaimed as one of the leading contentious tax practices in the UK.  

  • Chambers: "They are completely undaunted by the scale of a dispute and are always up for the fight if that is what the client wants."; "The immensely experienced Hartley Foster is heralded by sources as an incredibly safe pair of hands. He is well known for handling HMRC enquiries and negotiations."
  • Legal 500: a "brilliant tactician, and extremely diligent and committed".

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