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Departments, agencies and public bodies
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Data, Freedom of Information releases and corporate reports
Guidance for businesses, brands and their agencies on how to ensure that online reviews and social media endorsements are honest and transparent.
Provides general information regarding cartels and a guide on the CMA's policy for cartel informants
Consumer rights guide for undergraduate students choosing or currently taking a higher education course and their advisers.
The Competition and Markets Authority (CMA) is publishing new procedural rules and guidance for water references.
Procedural rules for CMA panel member groups conducting phase 2 merger or market investigations or certain regulatory references or appeals.
Information for businesses on how to comply with competition law.
The CMA has produced guidance for traders active in the online mattress sector.
These orders, and the tank transfer price calculator, are intended to make it easier for customers to switch LP gas suppliers.
Sets out the basis on which the CMA calculates financial penalties for CA98 infringements.
A basic guide for businesses on the Consumer Protection from Unfair Trading Regulations.
Rules of procedure for appeals to the CMA against certain decisions made by Ofgem or the Northern Ireland Authority for Utility Regulation.
How the Competition and Markets Authority (CMA) will use its markets tools to unlock economic growth and build consumer confidence.
This guidance concerns the CMA's activities in monitoring and enforcing compliance with final merger and market undertakings and orders.
Notice relating to the proposed acquisition of Ultra Electronics Holdings plc by Cobham Ultra Acquisitions Limited.
A guide to the application of the Competition Act 1998 to public bodies.
Explains the CMA’s approach to the variation and termination of merger, monopoly and market final undertakings and orders.
Template used by the CMA when starting an investigation into a merger that has not been formally notified to the CMA by the merging parties.
How the Competition and Markets Authority (CMA) will engage with businesses and their advisors during a merger investigation.
How the CMA applies exceptions to the duty to refer in operating the merger control regime.
Rules to govern the methodology for a levy on firms designated with Strategic Market Status (SMS) under section 110 of the Digital Markets, Competition and Consumers Act (2024).
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