London Bar
Competition
Leading silk1Mark has a knack for alighting on the simplest and most powerful points in a case. He has a real eye for the issues that the bench is most interested in and focuses his attention on those.


Mark Brealey KC is a specialist in litigation in all aspects of Competition law.
He was the Times lawyer of the week for his success in the Supreme Court in the interchange fee litigation.
Cases in 2024 – 2025 include: a judgment of the Privy Council (cross-subsidy in the Mauritian telecoms sector): two judgments of the Court of Appeal (pay for delay and excessive pricing); three trials (pay for delay, market sharing and excessive pricing): a collective action carriage dispute, a contested collective action settlement application, and a judicial review of the CAT’s judgment that approved the settlement.
Called 1984.
LLB, LLM, DEA (France)