1AMT-1440

Tax disputes & investigations

Our multi-disciplinary team of lawyers, accountants, chartered tax advisers and former enforcement agents provides an integrated and strategic approach to contentious tax matters.

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Out-Law / Your daily need to know

Our latest work

Our advisers act on domestic and international projects of all shapes and sizes, working with many of the leading names across this diverse sector. Browse our experience below, or use the filters to look-up recent work in particular geographies and legal disciplines.

  • Client confidential

    Advising a multinational producer on an extensive investigation involving the review of hundreds of thousands of documents, interviews and securing expert evidence in order to support disclosure to HMRC with very significant tax amounts at stake.

  • Client confidential

    Advising executors to a high value estate on HMRC strategy concerning a potential challenge to valuations used for IHT return purposes.

  • Client confidential

    Successfully secured a mutual agreement procedure settlement on behalf of a multinational healthcare company concerning transactions between its UK and French subsidiaries.

  • Centrica Overseas Holdings Ltd

    Advising Centrica in an expenses of management related corporation tax dispute due to proceed before the Upper Tribunal in May 2021. The case is important in terms of corporate governance within large corporate groups and the interaction with the tax code. The case is due to go before the Supreme Court in early 2024

  • British Coal Staff Superannuation Scheme

    Advised lead claimant, British Coal Pension Scheme, and 50 of the UK's largest employer pension funds seeking refunds of tax, valued at £200 million, suffered under the UK's, now obsolete, Manufactured Dividend Withholding Tax Regime on the basis that it contravened EU law. The case was subject to a judgment from the Supreme Court in 2022

  • The Gala Film Partners LLP

    Advised Gala Film Partners LLP in its appeal to the FTT against a closure notice which removed £98 million of losses against which relief was claimed by its members against income tax liabilities.

  • Client confidential

    Advising an offshore film scheme partnership in its appeal to the Court of Appeal against a decision to deny loss relief claims.

  • Client confidential

    Acting for a beneficiary of offshore trust structures holding pharmaceutical companies on the transfer of assets abroad legislation and on transfer pricing in relation to transactions between associated companies.

  • Client confidential

    Advising a pensions trustee appointed by the Pensions Regulator on a dispute with HMRC over possible unauthorised payment tax liabilities.

  • Raymond Tooth

    Advised Raymond Tooth (a HNWI) on his win in the Supreme Court in the case which has clarified the law on deliberate inaccuracies in tax returns and the concept of staleness for discovery assessments. (HMRC v Raymond Tooth [2021] UKSC 17).

Our expertise, at your disposal

With over 490 partners and 3000 people around the world, we are well-placed to support you across a full range of legal and advisory services.

Latest press releases

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Pinsent Masons advises Ghelamco on a €285m transaction in the Polish office market

Multinational law firm Pinsent Masons has advised developer Ghelamco on the €285 million sale of The Bridge, a landmark Warsaw office tower. 

Pinsent Masons advises Manchester Storm on return to AO Arena

Multinational law firm Pinsent Masons is advising Manchester Storm on its move to the AO Arena, helping secure the UK ice hockey club's return to the arena it last called home in 2002.

Pinsent Masons strengthens IP offering with new patent attorney partner Fred Nicolle in London

Multinational law firm Pinsent Masons has appointed Fred Nicolle as a partner in its Intellectual Property (IP) team in London, strengthening the firm's European patents and life sciences offering.

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