Department profile
A&O Shearman

Competition Law

Europe Guide 2026 : UK


A&O Shearman

Rankings

Chambers Review

Provided by Chambers

Competition Law - UK

Band 3

Band 3


What the Team is Known For

A&O Shearman offers clients notable strength in the competition law aspects of transactions, advising on foreign direct investment and National Security and Investment Act issues, as well as merger clearances. The law firm's broad practice also encompasses behavioural investigations.

Work Highlights

Provided by Chambers

  • A&O Shearman represented News UK in CMA investigation into a proposed joint venture printing operation with the Daily Mail.

Strengths

Provided by Chambers

  • The team has a very high level of legal knowledge, combined with practical expertise, which allows it to provide hands-on advice on the most complex issues.

    Competition Law respondentEurope
  • It is the remarkable depth and breadth of the team that sets this department apart. From the partners to the trainees, the quality of work and advice is amazing and shows a real level of cohesion.

    Competition Law respondentEurope
  • The competition team has tremendous depth of resources to support on highly complex, international work.

    Competition Law respondentEurope
  • A&O Shearman has a really savvy and sophisticated competition team.

    Competition Law respondentEurope
  • A&O Shearman has exceptional bench strength in the form of superb senior associates and brilliant associates. It is the team that you want leading on all your matters.

    Competition Law respondentEurope

Notable Practitioners

Provided by Chambers

  • Band 4James Webber
    Band 4James Webber

    James Webber

    James Webber of A&O Shearman has a particular focus on the competition law aspects of commercial transactions, including obtaining clearance for multi-jurisdictional acquisitions and joint venture agreements.

    • James Webber is very capable.

      Competition Law respondentEurope
    • James Webber is responsive, insightful, articulate and practical.

      Competition Law respondentEurope
  • Band 4Matthew Readings
    Band 4Matthew Readings

    Matthew Readings

    Matthew Readings often assists clients from the natural resources sectors with the merger clearance and FDI aspects of multi-jurisdictional transactions.

    • Matthew Readings is a terrific operator. He has a very good gauge of what is going on and is commercially astute. He helps you to crunch through and make decisions.

      Competition Law respondentEurope
    • Matthew Readings is our trusted go-to person on all competition law matters.

      Competition Law respondentEurope
  • Band 4Philip Mansfield
    Band 4Philip Mansfield

    Philip Mansfield

    Philip Mansfield has a strong focus on assisting clients with merger clearance mandates. He additionally advises clients on CMA investigations into allegations of anti-competitive behaviour.

    • Philip Mansfield is an excellent strategic advisor.

      Competition Law respondentEurope
    • Philip Mansfield is user-friendly, provides clear commercial advice and is a specialist. He impresses us.

      Competition Law respondentEurope
    • Philip Mansfield is super experienced and brilliant.

      Competition Law respondentEurope
  • Band 5Dominic Long
    Band 5Dominic Long

    Dominic Long

    Dominic Long assists clients with merger clearance reviews and third party interventions. He often acts on matters involving the telecoms sector.

    • We have the utmost confidence in his ability to guide us through highly complex matters and help us form positions that will stand up to regulatory scrutiny.

      Competition Law respondentEurope
    • He's a very good practitioner and a pleasure to deal with.

      Competition Law respondentEurope
    • Dominic Long is an excellent regulatory lawyer.

      Competition Law respondentEurope
    • Dominic Long has an exceptional knowledge of competition law and provides clear, strategic guidance.

      Competition Law respondentEurope
    • Dominic Long is excellent. He has a terrific breadth and depth of experience across different jurisdictions and sector areas.

      Competition Law respondentEurope

Ranked Individuals at A&O Shearman (4)

UK

A&O Shearman has rankings in the following guides

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