Willkie Farr & Gallagher (UK) LLP

Willkie Farr & Gallagher (UK) LLP’s London-based competition litigation practice has established itself as a premier player, particularly noted for its strength acting for both claimants and defendants, as well as its leading collective action expertise. In February 2025, the team secured approval from the CAT for a £200 million settlement in the Mastercard v Merricks claim, marking the largest collective litigation settlement in UK history. Practice head Boris Bronfentrinker is renowned for representing claimants and defendants in high-profile cases before the High Court and CAT. Elaine Whiteford’s active practice focuses on follow-on damages litigation, regulatory challenges, and cartel investigations. Michelle Clark brings strategic insight into multijurisdictional competition litigation.