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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
Memorandum of understanding between the Competition and Markets Authority and the Office of Rail and Road on consumer protection issues.
Memorandum of understanding between the Competition and Markets Authority and the Civil Aviation Authority on consumer protection issues.
A framework between competition authorities to improve cooperation in investigations.
Information on how the CMA investigated the merger, and how you can find out more.
Information on how to confess a cartel, the CMA’s leniency programme and what to expect if the cartel activity was in Scotland.
Summary of the Green Agreements Guidance to help businesses understand how competition law applies to environmental sustainability agreements.
The CMA is investigating the anticipated joint venture between Vodafone Group Plc and CK Hutchison Holdings Limited concerning Vodafone Limited and Hutchison 3G UK Limited.
The CMA is investigating the Atlantic Joint Business Agreement between American Airlines, members of International Consolidated Airlines Group (British Airways, Iberia and Aer Lingus) and Finnair under Chapter I of the CA98.
The CMA is investigating the anticipated acquisition by UnitedHealth Group Incorporated, via Bordeaux UK Holdings II Limited, of EMIS Group Plc.
The principles the CMA will apply in determining whether proceedings for the cartel offence should be carried out against an individual.
The CMA investigated and cleared the anticipated acquisition by Broadcom Inc. of VMware, Inc.
The CMA has found Pennon’s purchase of Sumisho Osaka Gas Water UK (including its subsidiary Sutton and East Surrey Water), could harm Ofwat’s ability to make comparisons between water companies and carry out its statutory functions.
The CMA is investigating the completed acquisition by Pennon Group Plc of Sumisho Osaka Gas Water UK Limited (including its subsidiary Sutton and East Surrey Water Plc) under the Water Industry Act 1991.
Letters sent by the Competition and Markets Authority (CMA) to companies about their non-compliance with market investigation orders and undertakings.
Invitation to comment launched by the CMA on the partnerships between Microsoft and Mistral AI, and Amazon and Anthropic, and Microsoft’s hiring of former employees and related arrangements with Inflection AI.
Why the CMA is investigating the potential Vodafone/Three merger and what it might mean for consumers.
A speech delivered by the Chair of the Competition and Markets Authority, Marcus Bokkerink.
The CMA investigated the anticipated acquisition by Microsoft Corporation of Activision Blizzard, Inc.
Remarks by Sarah Cardell, CEO of the CMA, delivered during the 72nd Antitrust Law Spring Meeting. Washington DC, USA.
Tell the CMA about issues with a business, a market, or to provide information about a new or existing case.
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