Peter Stewart

Partner

Peter practises complex litigation and arbitration. He has substantial experience in international cases, acting for multinational companies and ultra-high net worth individuals.

Peter is a specialist commercial disputes lawyer, with representative experience in proceedings before the English High Court and Court of Appeal, as well as in arbitrations under the ICSID, LCIA, ICC, SIAC and HKIAC rules.

He has specific expertise in financial services litigation, commercial fraud and shareholder disputes and has been recommended in the ‘International Arbitration’ category of the Legal 500 UK (2023). He has considerable experience of issues arising in the context of international financial sanctions. Additionally, he regularly acts in private client and cross-border contentious trust matters.

Peter qualified as a barrister in 2017. He joined Gresham in September 2022.

Peter speaks French and Italian.

Peter’s representative experience includes:

  • Sian Participation Group & Anor v Domidias Ltd & Anor: Representing the Defendants in a dispute relating to ownership of a substantial shareholding in a multi-billion dollar company

  • Public Institute for Social Security v Al Rajaan & Ors: Acting for two corporate defendants in $850m alleged fraud claims brought by a branch of the Kuwaiti state

  • Cyprus Popular Bank v Hellenic Republic (ICSID Arbitration No. ARB/14/16): Acting for the claimant bank against Greece over its exclusion from emergency liquidity assistance

  • The FII Group Litigation: Acting on behalf of a large group of multinational claimant companies in multi-billion pound proceedings, seeking restitution of ACT from the UK government

  • Bucher-Haefner v Lewinsohn & Anor [2022] EWHC 2080 (Ch): Representing the Claimant in a Part 8 Claim for an anti-suit injunction in respect of litigation brought in Utah, USA

  • GI Globinvestment Ltd & Ors v XY ERS UK & Ors: Acting for two corporate entities in respect of a very substantial financial services dispute

  • PTNZ v AS & Ors [2020] EWHC 3114 (Ch): Acting for four UHNW individuals in a contentious trust dispute in respect of approx. EUR 400 million of family assets

  • CMOC Sales & Marketing Ltd v Persons Unknown & 30 others [2018] EWHC 2230 (Comm): Representing a UK subsidiary of the China Molybdenum Group in ground-breaking litigation arising out of a sophisticated cyber fraud

  • British American Tobacco Plc & Ors v HMRC [2017] UKFTT (TC): Representing BAT in an appeal against the lawfulness of primary legislation (s.38 Finance (No. 2) Act 2015)

  • The Prudential Assurance Company v HMRC [2017] EWHC 1484: Representing the Claimant in respect of a claim for double tax relief on overseas dividend income

Gresham Legal

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