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Detailed guidance, regulations and rules
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Data, Freedom of Information releases and corporate reports
Forms for businesses to use to notify the CMA of an anticipated or completed merger.
This guidance concerns the CMA's activities in monitoring and enforcing compliance with final merger and market undertakings and orders.
The publication scheme specifies the categories of information that the Competition and Markets Authority (CMA) publishes and explains how to get that information.
Guidance on requests for internal documents in merger investigations.
Guidance on the functions of the Competition and Markets Authority under the Withdrawal Agreement
A speech delivered by Martin Coleman, Non-Executive Director and Panel Chair, Competition and Markets Authority on 'why outcomes matter'. The speech was delivered at the 2024 Informa Competition Law Conference
The Competition and Markets Authority (CMA) may investigate a merger between your business and another to make sure it’s fair
Guidance for businesses and their advisers on CMA's procedures for operating the merger control regime under the Enterprise Act 2002.
Outlines the fees payable for mergers which are investigated by the CMA, and how to pay them.
The Competition and Markets Authority's (CMA) call for information on phase 2 merger investigations process, and related updates to CMA2 guidance.
The CMA is investigating the partnership between Microsoft Corporation (Microsoft) and OpenAI, Inc. (OpenAI)
The CMA’s response to a government consultation on how best to ensure that investments and takeovers do not raise national security concerns.
The CMA is investigating the completed acquisition by Wm Morrison Supermarkets Ltd of certain assets of McColl’s Retail Group Plc, Martin McColl Limited, Clark Retail Limited, Dillons Stores Limited, Smile Stores Limited, Charnwait Management Limited, and Martin Retail Group Limited.
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.
The CMA has investigated and cleared the anticipated acquisition by Thermo Fisher Scientific Inc. of Olink Holding AB.
The CAT has unanimously upheld the level of penalty imposed by the CMA for a market sharing agreement relating to 20mg hydrocortisone tablets.
The CMA is investigating the anticipated joint venture between Daily Mail and General Holdings Limited and News Corp UK & Ireland Limited in respect of their newspaper printing activities in Great Britain.
CMA annual assessments of compliance with undertakings given by a number of banks not to bundle loans and accounts.
The CMA investigated and cleared the anticipated acquisition by Amazon.com, Inc of iRobot Corporation.
Guidance on the CMA’s procedure and approach to its assessment when reviewing mergers involving water enterprises.
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