Competition and Markets Authority

Featured
The CMA is launching a new phase of its successful ‘Online Rip-Off Tip-Off’ campaign, which this year is urging consumers to report online rip-offs via a new digital reporting form.

The CMA has today issued updated provisional findings in its assessment of Microsoft’s proposed acquisition of Activision.

Construction firms fined nearly £60 million for breaking competition law by bid rigging
Press release
The CMA has fined 10 construction firms a total of nearly £60m for illegally colluding to rig bids for demolition and asbestos removal contracts involving both public and private sector projects.

Information on how the CMA is investigating the merger and what it means for gamers and the industry.

Tell the CMA about competition and consumer issues.

CMA Annual Plan 2023 to 2024
Corporate report
The CMA’s annual plan for 2023 to 2024 outlines the CMA’s new strategy and lays out our medium-term priorities for the next 3 years and areas of focus for the coming 12-month period.

Latest from the Competition and Markets Authority
What we do
We help people, businesses and the UK economy by promoting competitive markets and tackling unfair behaviour. We have staff in London, Edinburgh, Belfast, Cardiff, Manchester and Darlington.
CMA is a non-ministerial department.
Follow us
Documents
Services
See all servicesNews and communications
- Using urgency and price reduction claims online
- Shoppers urged to call out online rip-offs as CMA unveils ‘red lines’
Research and statistics
See all research and statisticsPolicy papers and consultations
- Competition and Markets Authority Annual Plan 2023 to 2024 consultation
- Review of British Sky Broadcasting Group merger remedy
Transparency and freedom of information releases
- Transparency in the procurement of algorithmic systems: Findings from our workshops
- CMA Annual Plan 2023 to 2024
Our management













Contact CMA
General enquiries
The Cabot
25 Cabot Square
London
E14 4QZ
United Kingdom
General enquiries
020 3738 6000
We may record phone calls on any of our lines for training and quality purposes.
Make an FOI request
- Read about the Freedom of Information (FOI) Act and how to make a request.
- Check our previous releases to see if we’ve already answered your question.
- Make a new request by contacting us using the details below.
FOI requests
Information Access Team
Competition and Markets Authority
The Cabot
25 Cabot Square
London
E14 4QZ
United Kingdom
High profile groups within CMA
Corporate information
Jobs and contracts
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.