Competition and Markets Authority

About Us

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.

Who we are

The CMA is an independent non-ministerial department. We employ around 700 people,who work mainly at our office in Victoria house,London. We have representatives in Scotland, Wales and Northern Ireland.


We are responsible for:

  • investigating mergers which could restrict competitionconducting market studies and investigations in markets where there may be competition and consumer problems
  • investigating where there may be breaches of UK or EU prohibitions against anti-competitive agreements and abuses of dominant positions
  • bringing criminal proceedings against individuals who commit the cartel offence
  • enforcing consumer protection legislation to tackle practices and market conditions that make it difficult for consumers to exercise choice
  • co-operating with sector regulators and encouraging them to use their competition powers
  • considering regulatory references and appeal

What to tell us about and why

Competition law protects businesses and consumers from anti-competitive behaviour, which is illegal. It also protects consumers and businesses from being ripped off.

Please let the Competition and Markets Authority (CMA) know if you have any details about:

Reports from consumers and businesses about anti-competitive behaviour or problems in markets are vital in helping the CMA to ensure that consumers and businesses are getting a fair deal.

Your information is one of the main ways that we get the intelligence that leads us to investigate businesses that may be breaking the law.

For further information and detail please visit our website by using the button below:

Competition and Markets Authority website

Talking to the Competition and Markets Authority

If you visit our website you will see that, dependent on your enquiry, we have many channels of communication.

If you are unsure of which one to use, or want to speak to us safe in the knowledge that YORSAY will not be passing on your details please use the form below.

Thankyou for taking the time to speak to us, we will reply.



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