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The home of Competition and Markets Authority on GOV.UK. We help people, businesses and the UK economy by promoting competitive markets and tackling unfair behaviour.
A template of a confidentiality waiver that allows discussions between the CMA and other competition authorities on multi-jurisdictional merger investigations.
Forms for businesses to use to notify the CMA of an anticipated or completed merger.
The CMA consulted on proposed updates to the CMA rules of procedure for merger, market and special reference groups (CMA17).
Remedies form to be completed by merger parties for proposing remedies during a phase 2 merger inquiry.
Procedural rules for CMA panel member groups conducting phase 2 merger or market investigations or certain regulatory references or appeals.
The Competition and Markets Authority (CMA) consulted on proposed updates to its published guidance on its merger investigation process.
The CMA is consulting on proposed updates to its published guidance relating to the application of the ‘de minimis’ exception.
Guidance for businesses and their advisers on CMA's procedures for operating the merger control regime under the Enterprise Act 2002.
How the CMA applies exceptions to the duty to refer in operating the merger control regime.
Revised process for Phase 2 investigations will apply to new merger cases opened from today.
The Subsidy Advice Unit (SAU) has published its report providing advice to Scottish Government (SG) and Department for Levelling Up, Housing and Communities (DLUHC) concerning the proposed Green Freeports in Scotland Subsidy…
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.
The CMA is investigating Microsoft Corporation’s (Microsoft) hiring of certain former employees of Inflection AI, Inc. (Inflection AI) and its entry into associated arrangements with Inflection AI.
The CMA is investigating the partnership between Microsoft Corporation (Microsoft) and Mistral AI.
The CMA is investigating Amazon.com, Inc’s (Amazon) partnership with Anthropic PDC (Anthropic).
Data on senior officials’ business expenses.
A speech delivered by the Chair of the Competition and Markets Authority, Marcus Bokkerink.
The CMA is reviewing the Public Transport Ticketing Schemes Block Exemption Order to inform its recommendation to government on whether to replace or vary it when it expires on 28 February 2026.
The CMA is reviewing the Public Transport Ticketing Schemes Block Exemption.
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