What we do

We work to promote competition for the benefit of consumers, both within and outside the UK. Our aim is to make markets work well for consumers, businesses and the economy.

CMA is a non-ministerial department.

Read more about what we do

Documents

Our announcements

  1. CMA accepts media contact databases merger remedy

    • Press release

  2. CMA seeks views on ways to help legal services customers

    • Press release

See all our announcements

Our consultations

  1. Review of merger undertakings given before 1 January 2006

    • Consultation outcome

  2. Cloud storage: consumer law compliance review

    • Consultation outcome

See all our consultations

Our publications

  1. Merger inquiry outcome statistics

    • Transparency data

  2. CMA structure

    • Transparency data

See all our publications

Our management

Contact CMA

Office address and general enquiries

Competition and Markets Authority
Victoria House
Southampton Row

London
WC1B 4AD

We may record phone calls on any of our lines for training and quality purposes.

Notify CMA of anti-competitive or market issues

General Enquiries
Competition and Markets Authority
Victoria House
Southampton Row
London
WC1B 4AD

We welcome information about practices in the marketplace, but we can’t respond in detail to individual complaints. We won’t normally enter into correspondence about our decisions on whether to give detailed consideration to the complaints we receive.

CMA cartels hotline

We urge anyone with information about cartel activity (such as price-fixing, bid-rigging, output quotas/restrictions or market sharing arrangements) to contact us using this hotline.

CMA in Scotland, Wales and Northern Ireland

We have representatives in all the devolved nations:

Sheila Scobie (Scotland)
Simon Harris (Wales)
Marian Cree (Northern Ireland)

Media enquiries

UK Competition Network

Sharon Horwitz

We are a member of the UK Competition Network (UKCN) – an enhanced forum for co-operation between the CMA and UK sector regulators with competition law powers. More information about this network, and the work of its members, can be found on the UKCN’s pages on GOV.UK.

Make an FOI request

  1. Read about the Freedom of Information (FOI) Act and how to make a request
  2. Check our previous releases to see if we’ve already answered your question
  3. Make a new request by contacting us at:

FOI requests

FOI request
Information Access Team
Competition and Markets Authority
Victoria House
Southampton Row
London
WC1B 4AD

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 the Welsh language scheme. Our Personal information charter explains how we treat your personal information.