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
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: