Competition law warning and advisory letters register
A record of the warning and advisory letters about competition law issues sent by the Competition and Markets Authority (CMA).
Documents
Details
The CMA uses warning and advisory letters to follow up businesses if we have concerns about possible law breaking and promote compliance with competition law.
This register gives details about warning and advisory letters that the CMA has sent to businesses.
Information for businesses about when the CMA may decide to send a warning or advisory letter and what to do if you receive one.
Warning and advisory letter maps show where in the UK the CMA has sent warning and advisory letters about competition law issues.
Updates to this page
Last updated 15 April 2024 + show all updates
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Details of 2023 warning and advisory letters added to registers
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Updates to warning and advisory letters published.
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Details for 2021 added to the warning letters and advisory letters registers.
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2020 figures published.
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Updates to the competition law warning and advisory letters register published.
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Register updated.
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Register updated.
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First published.