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Who's Who Legal
Who's Who Legal
Thought Leaders

Thought Leaders

Thought Leader

WWL Ranking: Global Elite Thought Leader
Thought Leaders - Competition 2021
WWL Ranking: Thought Leader

Global Leader

Competition 2020

Professional Biography

WWL Ranking: Recommended

WWL says

William Turtle is a keystone of London’s competition market, and “a very knowledgeable practitioner”, say peers. He is engaged on significant cartel matters and global antitrust investigations in the EU and UK.

Peers and clients say:

"William is one of the best in the field."

"He should definitely be on the list."


William is based in London, but spends a significant amount of his time in Brussels. He is a member of the Brussels Bar (EU list), and is qualified as a solicitor (England and Wales).

William has extensive experience in a wide range of competition and regulatory matters. He has been involved in several major cartel and other behavioural cases, including global antitrust investigations. He has also acted on a number of high-profile merger cases before the EU and UK competition authorities. In addition, he has significant experience in the fields of competition litigation and state aid.

William’s recent highlights include advising: Sabre on its acquisition of Farelogix; the Stars Group on its proposed merger with Flutter Entertainment; Daily Mail on its acquisition of the i newspaper; Tata Steel on the combination of its European steel businesses with those of thyssenkrupp; and Deutsche Bank in the context of the multiple investigations into the setting of interbank offered benchmark rates and associated competition litigation.

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