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Wellness at what cost? Building trust in health advertising
Join our free online Industry Summit at 10am on 1 October to explore how responsible health advertising can protect consumers and build trust.
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New LHF training now live
Strengthen your knowledge with practical examples of the LHF rules in action and gain insight into how the ASA makes their decisions. Prices start from £240 per person.
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How ad regulation is evolving
From AI-powered monitoring to tackling emerging harms, see how we’re transforming ad regulation. Explore the key moments from 2025 and what’s coming next.
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Report a Scam Ad
We have a Scam Ad Alert system to better protect consumers, as well as an ad reporting tool to help us act quickly. If you've seen an online scam ad, let us know.
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CAP Bitesize!
Our latest CAP Bitesize series helps businesses get to grips with advertising non-surgical cosmetic interventions, such as dermal fillers, teeth whitening treatments, laser or light treatments, and more.
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Who we are and what we do
The Advertising Standards Authority (ASA) is the UK’s independent regulator of advertising across all media. We apply the Advertising Codes, which are written by the Committees of Advertising Practice (CAP). Learn more
Latest rulings
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Costcutter Supermarkets Group Ltd t/a Costcutter and Mondelez Europe Services GmbH – UK branch t/a Cadbury (Mondelez)
- Upheld in part
- Social media (paid ad), Website (own site)
- 05 Aug 2026
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Warner Bros Entertainment UK Ltd
- Not upheld
- Poster, Television, Poster, Television
- 05 Aug 2026
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Innate-Essence Ltd t/a the Turmeric Co.
- Upheld
- Website (own site)
- 05 Aug 2026
Latest news
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ASA and Trading Standards join forces to shut down 14 illegal weapons websites
- ASA News
- 06 August 2026
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New resources to help advertisers get environmental claims right
- CAP News
- 30 July 2026
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Lock, stock, and barrel: all you need to know about weapons in ads
- CAP News
- 23 July 2026
Popular advice & resources
Having an ad banned by the ASA can be costly. At CAP we want you to produce successful campaigns that also follow the rules. That’s why we offer a wide range of advice services to support you:
Latest advice
Want to make sure your ads are right first time? Get helpful advice and tips by signing up to our newsletter.

