Peter Nias > Chambers of Kevin Prosser QC > London, England > Lawyer Profile

Chambers of Kevin Prosser QC
Pump Court Tax Chambers

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Peter Nias is a barrister and CEDR-accredited mediator. He is a member of Pump Court Tax Chambers in its ADR unit, a member of CEDR’s tax panel of mediators and collaborated with CEDR to create the Tax Dispute Resolution Hub ( Until 2012 he was a partner and solicitor in the law firm of McDermott Will & Emery UK LLP, based in its London office (which he cofounded), where he was head of the tax practice and its tax dispute resolution group. He focused on direct and indirect tax advice on a broad range of corporate and commercial business activities for UK and multinational organisations, including cross-border structuring and regularly advised on transfer pricing and thin capitalisation issues; as well as tax risk managements dispute resolution techniques, including negotiating rulings, tax risk management, clearances, and settlements with the UK tax authorities (HMRC) and tax litigation. Since qualifying in 2010 as a CEDR-accredited mediator, Peter has been focusing his time advising clients on mediation and pre-mediation strategies for resolving tax disputes. He worked with HMRC’s dispute resolution unit in developing a collaborative dispute resolution (CDR) programme for complementing their litigation and settlement strategy. He has acted as a facilitator in respect of two tax disputes and mediated four tax disputes. Peter is a frequent speaker at tax conferences on a wide range of tax issues, principally: transfer pricing, tax disputes and collaborative dispute resolution techniques, and regularly contributes articles on these subjects to technical journals.


Called 2013. He was the British Reporter for Subject 1 at the IFA 2016 Congress on “Dispute resolution procedures in international tax matters. Publications: author of Westlaw UK Insight publication, ‘Tax: Alternative Dispute Resolution’; ‘Mediating tax disputes: all in a day’s work?’ (Tax Journal, 28 November 2014); ‘HMRC’s refreshed LSS: no “soft” option’ (Tax Journal, 16 November 2012). ADR Member.


English, Swedish.


Member and former chairman of the international tax sub-committee of the Chartered Institute of Taxation. Member of the International Fiscal Association.