Competition Law
UK Guide 2025 : London (Firms)
Band 5
Email address
[email protected]Contact number
(020) 7628 2020About
Provided by Simmons & Simmons LLP
Our competition team have represented defendants in some of the largest and most high profile investigations conducted by competition authorities in Europe. We have hands on experience of international cartel investigations and cutting edge abuse of dominance cases as well as in depth merger investigations. We further advise on the application of EU State aid rules and assist clients on the Brussels notification and investigation process. We also have broad regulatory experience, advising government and regulatory bodies, private sector investors and operators across a range of regulated sectors (notably financial institutions, transport, water, energy, Life Sciences and TMT). We represent clients before the Court of Justice of the European Union, the European Commission, national courts and enforcement agencies.
Through our network of international offices, clients come to us for advice on the complete range of services in:
- investigations and complaints, including complex multi-jurisdictional cartel work
- compliance, including advice on compliance programmes
- merger control and joint ventures
- antitrust/competition
- advising on commercial agreements
- competition litigation
- intellectual property
- market dominance
- public procurement
- State aid
Our EU, Competition and regulatory teams are located in Brussels, close to the main EU institutions, and in the main EU jurisdictions (France, Germany and the UK).
Chambers Review
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, including advising on phase II reviews.
Patrick Boylan is a key contact at the firm.
Work Highlights
- Simmons & Simmons defended BT in an opt-out class action related to excessive pricing.
Strengths
Provided by Chambers
"Simmons & Simmons is able to handle complex and sophisticated matters in an efficient, elegant manner and supports the client to make the necessary decisions to do so."
"Simmons & Simmons understands what the client needs, talks the right language and responds rapidly."
"Simmons & Simmons stands out because it really invests in its clients."
"They provided a proactive service, were imaginative and generated very useful solutions that actually achieved a great result for us."
"It is such a relief to know they are all over the details. They are proactive and diligent. We are in such a safe pair of hands."
"Simmons & Simmons is able to handle complex and sophisticated matters in an efficient, elegant manner and supports the client to make the necessary decisions to do so."
"Simmons & Simmons understands what the client needs, talks the right language and responds rapidly."
"Simmons & Simmons stands out because it really invests in its clients."
"They provided a proactive service, were imaginative and generated very useful solutions that actually achieved a great result for us."
"It is such a relief to know they are all over the details. They are proactive and diligent. We are in such a safe pair of hands."