ISBA is the repsresentative body on all aspects of marketing communications for over 400 leading UK adverisers, whose combined communications spend is over £10 billion per year.
Postar is the outdoor industry body responsible for audience measurement across all formats and contractors.
The ASA exists to ensure all advertising, wherever it appears, meets the high standards laid down in the advertising codes.
The IPA is the trade body and professional institute for 258 leading agencies in the UK's advertising, media and marketing communications industry.
The Outdoor Media Centre (formerly the Outdoor Advertising Association) is the trade body for outdoor media owners