We use some essential cookies to make this website work.
We’d like to set additional cookies to understand how you use GOV.UK, remember your settings and improve government services.
We also use cookies set by other sites to help us deliver content from their services.
You have accepted additional cookies. You can change your cookie settings at any time.
You have rejected additional cookies. You can change your cookie settings at any time.
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
Why the Competition and Markets Authority (CMA) has asked you for information about a merger, and how to share it with us.
Quick guide, intended primarily for business, providing a simple overview of the UK merger regime and the CMA’s approach when reviewing mergers.
The Competition and Markets Authority’s policy and approach to transparency and information disclosure.
How the Competition and Markets Authority (CMA) will embed the 4Ps (pace, predictability, proportionality and process) to support growth, investment and business confidence in the UK’s digital markets competition regime.
Explains the changes introduced by the Enterprise and Regulatory Reform Act 2013 to the conduct of market studies and market investigations by the CMA under the Enterprise Act 2002, as amended.
Guidance for lawyers and third parties on how the CMA collects information before deciding whether to investigate a merger.
Information on how to confess a cartel, the CMA’s leniency programme and what to expect if the cartel activity was in Scotland.
Guidance on merger remedies in Phase 1 and Phase 2 investigations.
The section 3 statement sets out how the Secretary of State expects to exercise powers under the NSI Act to call-in certain acquisitions for scrutiny.
The topics in the Market Guidance are based on analysis of the notifications received under the NSI Act and feedback from stakeholders on their experience of the system.
What the Competition and Markets Authority (CMA) has provisionally found while investigating the UK cloud services markets.
These orders, and the tank transfer price calculator, are intended to make it easier for customers to switch LP gas suppliers.
The CMA has provided a short guide for employers on how to avoid anti-competitive behaviour.
Guidelines for market investigations: their role, procedures, assessment and remedies.
How the CMA will operate its powers under the Competition Act and Modernisation Regulation in assessing conduct of dominant undertakings.
Renting a car doesn’t always go smoothly. Things can go wrong before, during or after the rental, make sure you protect yourself by reading our advice.
Consumer rights guide for undergraduate students choosing or currently taking a higher education course and their advisers.
How the Competition and Markets Authority (CMA) will engage with businesses and their advisors during a merger investigation.
Provides a conceptual framework within which evidence on market definition can be organised, and discusses practical issues that may arise.
Guidance on how to make a whistleblower report to the Competition and Markets Authority.
Don’t include personal or financial information like your National Insurance number or credit card details.
To help us improve GOV.UK, we’d like to know more about your visit today. Please fill in this survey (opens in a new tab and requires JavaScript).