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
Two papers from the CMA's Behavioural Hub discussing and summarising evidence on online choice architecture (OCA) and how it potentially causes harm.
How to submit a proposal to the Defence and Security Accelerator
This guidance explains our competition process and how your proposal is assessed.
Guidance for UK companies on winning business from international aid and development projects.
A register of agreements relating to exclusion orders made by powers under paragraph 7 of Schedule 3 to The Competition Act 1998.
Examples of unacceptable trade marks around protected emblems, internet domain names and your company name.
The CMA has secured commitments from 2 of the largest digital players, Amazon and Meta, in 2 separate cases, benefitting sellers and customers by ensuring fair competition on their retail platforms.
Find out what you should consider before using an umbrella company to make sure it complies with the tax rules.
Find out how to comply with competition law, with essential information for all businesses and sector specific guides.
Government funding for innovation in smart energy systems and technologies
The CMA is investigating how products and services claiming to be 'eco-friendly' are being marketed, and whether consumers could be being misled.
The SENS competition aims to develop and trial innovative feedback products and services that use smart meter data, to help domestic customers reduce their energy consumption.
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.
Business expenses you can claim if you're self-employed
If you're advertising or marketing, including direct marketing, you must be accurate and honest and follow the advertising codes of practice
Funding for local authorities to help them install energy saving upgrades and low carbon heating in low-income households.
Tell the CMA about issues with a business, a market, or to provide information about a new or existing case.
Information about the DCIA programme, with guidance on how to participate in the Pilot competition
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. We’ll send you a link to a feedback form. It will take only 2 minutes to fill in. Don’t worry we won’t send you spam or share your email address with anyone.