Paul Stuart

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2025 was a fascinating year for UK competition and consumer enforcement, with the CMA changing its policies and practices in a number of areas. Our Year in Review summarises the most important developments of the past year and what we expect in 2026, as the CMA implements its reworked procedures for merger and market cases, begins to use its new consumer fining powers, and imposes digital conduct requirements for the first time. We also anticipate a Government consultation on significant changes to the decision-making model for mergers and markets.

On 21 May 2024, the UK Government published updated guidance on the application of the National Security and Investment Act (NSIA).  This includes:

On 31 July 2023, the Competition and Markets Authority (CMA) issued an infringement decision finding that Leicester City Football Club and JD Sports had colluded to restrict competition in the sales of Leicester City-branded clothing, including replica kit, in the UK.  Leicester City FC and its parent companies reached a settlement agreement with the CMA, under which they will pay a fine of £880,000.  JD Sports had reported the infringement to the CMA, in exchange for immunity from financial penalties.

The UK introduced a new collective proceedings regime for competition damages claims in October 2015.[1]  The early years of the new regime were characterized by cautious uncertainty as the Competition Appeal Tribunal (CAT) and the appellate courts grappled with identifying the standards for certification.[2]  It took almost six years before the CAT certified the first claim in Merricks in August 2021.[3]  The CAT subsequently certified 10 other claims in less than two years, which in turn, encouraged additional claims to be brought.

On 10 November 2022, the European Court of Justice (CJEU) issued a preliminary ruling[1] on the interpretation of the disclosure obligation under the EU directive that harmonised national rules governing actions for damages for breaches of competition law in EU member states and the UK (the Damages Directive).[2]

In September 2022, the General Court partially annulled the European Commission’s 2018 Google Android decision, which fined Google €4.3 billion for abuses of dominance relating to apps it offers for its Android mobile operating system (“OS”).[1]  The Court also found that the Commission’s investigation suffered from procedural errors.  It reduced the fine by €200 million.

The Competition Appeal Tribunal (CAT) has granted a claim for damages by Achilles Information Limited (“Achilles”) against Network Rail Infrastructure Limited (“Network Rail”).[1]  The Judgment is the CAT’s first damages award arising from a standalone claim since 2016,[2] and follows the CAT’s earlier finding that Network Rail had breached Chapter 1 and Chapter 2 of the Competition Act 1998 (the“Act”).[3]