LAWYER PROFILE

Michael Grenfell

UK 2026

Clifford Chance LLP

Ranked in 1 practice area

Competition Law

London (Firms)

1 year ranked

Contributions and articles

1 In-depth overview

About

Provided by Clifford Chance LLP

Practice Areas

Michael Grenfell specialises in antitrust and competition - offering expert advice on investigations, market studies and merger control - and also consumer protection laws.

In August 2024, Michael joined Clifford Chance, based in London, bringing with him a decade of experience from the UK’s Competition and Markets Authority (CMA). At the CMA, he had overall responsibility for the enforcement of competition and consumer protection laws, and was an Executive Director on the CMA's Board. Prior to his role at the CMA, Michael was an antitrust partner at another law firm, where he provided strategic counsel on a broad spectrum of UK and EU competition, merger control, and regulatory issues.

Career

M.A. (Hons) in history and law, University of Cambridge 1985

Admitted as a Solicitor in England and Wales 1988

Ph.D in political thought, London School of Economics 1991

Partner, Norton Rose 1998

Executive Director for Enforcement, UK Competition and Markets Authority 2015-2024

Partner, Clifford Chance since 2024

Chambers Review

Provided by Chambers

Chambers Guide to the Legal Profession

Competition Law - London (Firms)

Band 5

Individual Editorial

Michael Grenfell is an authority on the UK competition regulation environment thanks to his extensive experience working at the CMA. He advises clients on major merger control matters.

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Strengths

Provided by Chambers

He is a very strong addition to the Clifford Chance team.
Competition LawChambers Guide to the Legal Profession
Michael Grenfell delivers expertise, flexibility and a business-oriented mindset.
Competition LawChambers Guide to the Legal Profession