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UK commercial law: 2025 key developments and 2026 horizon: advertising, data/AI, consumer protection, contracts, product liability, supply chain compliance and cyber resilience

Published on: 27 January 2026

Published by a LexisNexis Commercial expert
Legal News
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Article summary

For further insight on forthcoming key developments, see Practice Note: Commercial—horizon scanner. For details of earlier developments relevant to commercial law and practice, consult the following Practice Notes:

  • Commercial tracker
  • Commercial tracker 2025 [Archived]

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Advertising, marketing and sponsorship

Note—several shifts within the consumer protection landscape have influenced the regulation of advertising and marketing in 2025. These are discussed in the section: ‘Consumer protection’ below.

What were the key developments in 2025?

Advertising less healthy food and drinks

In 2025, the much-anticipated framework governing promotion of less healthy food and drink moved from policy design to practical readiness for enforcement. The Health and Care Act 2022 (HCA 2022) received Royal Assent on 28 April 2022, introducing a 9 pm TV watershed for identifiable less healthy products and a restriction on paid‑for advertising of identifiable less healthy food and drink online for certain advertisers. The new limitations are set out in HCA 2022, s 172 and Sch 18, which make amendments to the Communications Act 2003...

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