LAWYER PROFILE

Michael Grenfell

Europe 2026

Clifford Chance LLP

Ranked in 1 practice area

Competition Law

1 year ranked

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 digital markets regulation and consumer protection laws.

In 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 European Guide

Competition Law - UK

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.

Learn more about this team View ranking table

Strengths

Provided by Chambers

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