JUNIOR PROFILE
Ben Lewy

Ben Lewy

UK Bar 2026

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Ranked in 2 practice areas

About

Provided by One Essex Court

UK Bar

Practice Areas

Barrister specialising in commercial litigation, competition, banking and finance, company law, civil fraud, public law and arbitration.

Current and recent major instructions include: Stasi v Microsoft - (led by Sarah Ford KC) acting for the Proposed Class Representative in high value (c.£2bn) collective proceedings against Microsoft. FDIC v Lloyds - (led by Richard Handyside KC and James Duffy KC) defending Lloyds in high profile competition law damages claims arising out of the LIBOR rigging scandal. ENRC v SFO - (led by Ben Strong KC) defending former SFO prosecutor against a conspiracy and misfeasance claim. Motorola v CMA – (led by Josh Holmes KC and Sarah Abram KC) defending the CMA in high value judicial review proceedings relating to the Airwave mobile telecommunications network. Allianz Global Investors v Barclays Bank – (led by Marie Demetriou KC and Colin West KC) a very large scale competition damages claim arising out of a foreign exchange market cartel. Various Claimants v Mastercard – (led by Tim Otty KC, Sonia Tolaney KC and Matthew Cook KC) defending over £1bn of claims brought by merchants against Mastercard in respect of interchange fees. Crane Bank v DFCU Bank – (led by Lord Pannick KC and Hannah Brown KC) acting for the Claimants in high value litigation arising out of the resolution of a Ugandan commercial bank.

Other recent cases include Lecaille v National Parking Enforcement Ltd [2025] EWHC 2281, a successful unfair prejudice petition on the grounds of extreme personal behaviour (unled); Seraphine Ltd v Mamarella GmbH [2024] EWHC 425 (IPEC), successfully resisting a jurisdiction challenge (unled); Dye & Durham v CMA [2023] CAT 46, the first reported case to consider spin-offs in the context of merger remedies; Dougan v HMRC [2022] UKFTT 140 (TC), a successful appeal against discovery assessments for income tax (unled).

Career

Before coming to the Bar, Ben worked in the cabinet of Advocate General Eleanor Sharpston at the European Court of Justice, and wrote about economics and finance for The Economist. Ben has undergraduate and graduate degrees in economics from the University of Oxford and studied law as a Lord Bowen, Lord Mansfield and J.P. Warner scholar of Lincoln’s Inn.

Chambers Review

Provided by Chambers

UK Bar

Competition Law - London (Bar)

Up-and-coming Individual
Up and Coming

Individual Editorial

Ben Lewy has an impressive competition practice, regularly acting in high-profile collective action proceedings, follow-on claims and abuse of dominance. His competition expertise is enhanced by his qualification as a trained economist.

Fraud: Civil - London (Bar)

Up-and-coming Individual
Up and Coming

Individual Editorial

Ben Lewy has an academic and professional background in economics and brings this experience to bear in complex, multimillion-pound fraud cases. He is comfortable acting as sole counsel on behalf of defendants in matters including tax frauds, investment frauds and bribery allegations.

Strengths

Provided by Chambers

  • Ben is able, efficient, personable, clever and collaborative.

    Competition LawUK Bar
  • He has shown a real ability as a junior to get across the detail and have a good set of technical skills. He is a key member of the team.

    Competition LawUK Bar
  • An excellent advocate who is super intelligent and commercial.

    Fraud: CivilUK Bar
  • Ben Lewy is a good advocate and cross-examiner who is very thorough on the documents.

    Fraud: CivilUK Bar

Ranked Barristers at One Essex Court (226)

All Circuits

London (Bar)

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