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.
You can change your cookie settings at any time.
Find information and services
Find out what the government is doing
News stories, speeches, letters and notices
Detailed guidance, regulations and rules
Reports, analysis and official statistics
Consultations and strategy
Government data, Freedom of Information releases and corporate reports
13 October 2021 — Guidance
Tips to help consumers identify products and services with genuine environmental credentials
22 October 2021 — Press release
The CMA’s interim report on children’s social care has outlined significant concerns about the availability of placements and the profits of private providers.
20 October 2021 — Press release
Facebook has been fined £50.5 million for breaching an order imposed by the CMA during its investigation into Facebook’s purchase of Giphy.
19 October 2021 — Press release
The CMA has announced its intention to launch a market study into music streaming.
22 April 2020 — Collection
Information about how the Competition and Markets Authority is responding to the ongoing coronavirus (COVID-19) outbreak.
Use this service to report a business you believe is behaving unfairly during the Coronavirus (COVID-19) outbreak.
See all latest documents
We work to promote competition for the benefit of consumers, both within and outside the UK. We have staff in London, Edinburgh, Belfast and Cardiff.
CMA is a non-ministerial department.
Read more about what we do
Contact Form: Report a business behaving unfairly during the coronavirus outbreak
Use our online form to report a business behaving unfairly during the coronavirus (COVID-19) outbreak.
020 3738 6000
We may record phone calls on any of our lines for training and quality purposes.Due to the ongoing coronavirus (COVID-19) pandemic, we are not able to accept delivery of any documents or correspondence by post or courier to any of our offices.
Read about the types of information we routinely publish in our Publication scheme. Find out about our commitment to publishing in Welsh. Our Personal information charter explains how we treat your personal information. Read our policy on Social media use.
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.