Europe Guide 2026 : UK
Ranked Individuals
Provided by Chambers
Simmons & Simmons has experience in both contentious and non-contentious competition law matters. The law firm represents clients in damages claims, class actions and complaints of anti-competitive behaviour. The team often assists clients with the notification of mergers to the CMA.
Provided by Chambers
Simmons & Simmons defended Google in a proposed opt-out collective proceeding at the CAT concerning alleged abusive conduct.
Provided by Chambers
Simmons & Simmons is strategically very sound and extremely commercial. The team is a pleasure to work with.
The lawyers were very responsive and provided hugely valuable input into the case strategy.
Simmons & Simmons is distinguished by its practical approach, wide territorial coverage and great team.
The team worked extremely hard to get on top of all of the documentary material, factual and expert evidence in a very big case.
The lawyers work really closely with their clients, becoming an extension of the in-house team.
Provided by Chambers
Patrick Boylan is highly experienced in advising clients on high-stakes competition litigation and collective proceedings. He is notably sought after by clients in the life sciences and TMT sectors. He has experience representing both claimants and defendants.
Patrick Boylan is realistic, pragmatic and commercial. He can stand back and see the realities and overview of the situation.
Patrick Boylan is an expert in his field and a trusted partner.
He is an excellent black letter lawyer.
Sarah Smith often acts for clients on CMA merger clearance investigations. She offers additional experience in appeals against regulatory decisions, frequently on behalf of clients in the pharmaceutical sector. She joined Simmons & Simmons in January 2025.
Sarah Smith is very switched on, has a lovely manner with clients and knows her stuff.
I rate her highly.
Eleanore Di Claudio enters the rankings this year on the back of notable work representing clients from the TMT sector in high-profile competition litigation cases.
Eleanore Di Claudio is ridiculously clever.
I think she has an impressive eye for detail and has a real persistence in making points.
Competition Law
Competition Law: Litigation
Competition Law: Litigation
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