Department profile
Sidley Austin LLP

Competition Law

Global Guide 2026 : UK


Sidley Austin LLP

Rankings

Chambers Review

Provided by Chambers

Competition Law - UK

Band 6

Band 6


What the Team is Known For

Sidley Austin often acts for clients on foreign direct investment filings and merger clearance reviews before the CMA, representing both the transacting parties and interested third parties. The team also assists clients with market inquiries before various UK regulatory authorities. The law firm further advises on competition compliance matters such as licensing agreements. The team in London often collaborates with the firm's Brussels office.

Work Highlights

Provided by Chambers

  • Sidley Austin represented MasterCard in a market review by the Payment Systems Regulator regarding the client's scheme and processing fees.

Strengths

Provided by Chambers

  • The firm did a fantastic job at providing swift and tailored advice.

    Competition Law respondentGlobal
  • Sidley Austin is distinguished by its capacity to mix legal knowledge with business acumen and its extensive experience with antitrust authorities.

    Competition Law respondentGlobal
  • This team is available and responsive to help with issues that arise suddenly. The lawyers understand our business and if there's something they don't understand, they make it a priority to master it.

    Competition Law respondentGlobal
  • The firm's strength is that it can offer full service across the world. The team has good market knowledge and transactional lawyers who understand this area.

    Competition Law respondentGlobal
  • Sidley Austin had an excellent understanding of our business as well as competition law, had very responsive and organized teams and gave us the information we want without over-lawyering.

    Competition Law respondentGlobal

Notable Practitioners

Provided by Chambers

  • Band 5Patrick Harrison
    Band 5Patrick Harrison

    Patrick Harrison

    Patrick Harrison has particular experience advising clients on foreign direct investment filings before the CMA. He offers additional experience acting on CMA merger reviews.

    • He has very good business understanding, explains concepts well and is quick to understand our business.

      Competition Law respondentGlobal
    • Patrick Harrison is an excellent partner for UK competition matters.

      Competition Law respondentGlobal
    • He is our go-to resource for any complex competition questions.

      Competition Law respondentGlobal
    • Whenever there is a messy competition matter, he's the guru we rely on.

      Competition Law respondentGlobal
    • Patrick Harrison is a very commercially-minded regulatory advisor and is extremely creative in his problem solving, for what are fairly complex and novel legal queries.

      Competition Law respondentGlobal
  • Band 5Vincent P Brophy
    Band 5Vincent P Brophy

    Vincent P Brophy

    Vincent Brophy often assists clients with merger clearance notifications and foreign direct investment filings. He has further experience in market studies initiated by UK regulatory authorities.
    • It is tremendously useful when you have someone that can be both practical and theoretical, like Vincent Brophy can.

      Competition Law respondentGlobal
    • He's a technically strong lawyer, but one thing that stands out is his ability to handle clients. He's a silky, smooth British lawyer which inspires confidence.

      Competition Law respondentGlobal
    • Vincent Brophy combines deep expertise and experience in antitrust matters with an ability to advice clients in a superbly strategic and understanding manner.

      Competition Law respondentGlobal
    • Vincent Brophy has the benefit of having the practiced in both the UK and Brussels. He is a seasoned competition law with years of experience and is highly regarded.

      Competition Law respondentGlobal

Ranked Individuals at Sidley Austin LLP (2)

UK

Sidley Austin LLP has rankings in the following guides

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