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Data, Freedom of Information releases and corporate reports
How the Competition and Markets Authority (CMA) operates the mergers control regime under the Enterprise Act 2002.
How designated retailers are expected to fairly manage their relationships with suppliers.
1. Interpretation (1) In this Code: Buying Team means those employees of a…
Guidance on the principles and process of applying for leniency and no-action in cartel cases.
Introduction Cartels involve 2 or more businesses agreeing to act together…
The Competition and Markets Authority’s (CMA) approach to assessing mergers.
The Competition and Markets Authority's (CMA) approach to remedies in phase 1 and phase 2 merger investigations.
The Competition and Markets Authority’s (CMA) policy and approach to transparency and information disclosure.
A guide to staying on the right side of competition law when recruiting workers, and setting pay and other working conditions.
The Competition and Markets Authority’s (CMA) processes for investigating market reviews, market studies and market investigations.
Details of all cases regulated by members of the UK Competition Network (UKCN).
How to report a potential breach of competition or consumer law to the Competition and Markets Authority (CMA), and what to expect from us.
Sets out the basis on which the CMA calculates financial penalties for CA98 infringements.
Sets out some of the circumstances in which the CMA considers that agreements will or may be regarded as anti-competitive.
How the CMA will operate its powers under the Competition Act and Modernisation Regulation in assessing conduct of dominant undertakings.
The orders provide measures on benefits, incentive schemes and better information for patients.
Explains how the CMA will assess whether undertakings possess market power when investigating cases.
This treaty was presented to Parliament in April 2026.
Provides a conceptual framework within which evidence on market definition can be organised, and discusses practical issues that may arise.
Outlines the CMA’s approach to imposing administrative penalties for failure to comply with requirements imposed under its investigatory and remedies powers.
This order bans price discrimination, controls pre-registration and prevents restrictions on price advertising.
Information that trade associations need to know about competition law.
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