Guidance
Reviews and endorsements: principles for social media platforms
The CMA has published 6 key principles to help social media platforms comply with consumer protection law.
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Platforms have responsibilities under consumer protection law to prevent and tackle unlawful practices, such as hidden advertising and fake reviews. These principles represent what the Competition and Markets Authority (CMA) considers platforms should be doing to comply with consumer protection law.
Updates to this page
Published 3 November 2022
Last updated 28 August 2025
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Guidance updated following DMCC Act 2024.
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First published.