Billetts is the media analytics division of Ebiquity plc, the AIM-listed media and marketing analytics company which delivers effectiveness and efficiency services to the advertising, PR and publishing industries.

Billetts is the brand leader in the UK media auditing market, with a market-share in excess of 65%. Billetts also provides a wide range of effectiveness and efficiency services to clients, clustered under the Marketing Investment Management proposition.

http://www.ebiquity.com/uk/billetts/

SCAN International was created to help clients gain the best returns from their investment in communication resources. It is the first multinational consultancy specialising in Communication Management by combining the national expertise of leading consultants in this field across Europe and the US, including The Haystack Group.

The group uses its in-depth knowledge and permanent exposure to agencies and agency networks to advise clients on agency selection and management, offering new answers to the many challenges and complexities that are facing international companies in the development of their communication programmes and the management of their agency portfolio.

http://www.scaninternational.com

Every day, Brand Republic offers fresh news stories from industry-leading magazines such as Campaign, Marketing, PR Week and Revolution, plus hundreds of great jobs in marketing, advertising and new media. The site allows you to combine the best and most thorough set of information on the web relating to advertising, marketing and media in one place. Brand Republic is published by Haymarket who own the largest stable of marketing titles in the UK including Marketing, Campaign, PR Week, Revolution, Conference & Incentive Travel, Direct Response, Marketing Direct, Marketing Event and Promotions & Incentives.

http://www.brandrepublic.com/

ISBA is the single body representing the interests of British advertisers in all areas of commercial communications, including TV advertising, radio, press, outdoor, new media, direct marketing, sponsorship and sales promotion.

Founded in 1900, ISBA has over 300 member-companies, whose total communications spend is in excess of £10 billion. ISBA's membership includes most of the UK's largest advertisers, operating in all business sectors. The single factor binding ISBA members together is their reliance on advertising and commercial communications to communicate with potential consumers.

ISBA works together with Government, media owners and advertising agencies to promote the importance of advertising in driving competition in our economy, to promote the argument for self-regulation of commercial communications, especially in light of the changing media environment, and - always - to defend the freedom of businesses to advertise responsibly.

http://www.isba.org.uk

The IPA is the trade body and professional institute for leading agencies in the UK's advertising, media and marketing communications industry, covering the Creative, Direct Marketing, Healthcare, Media, New Media, Outdoor, Sales Promotion and Sponsorship sectors.

http://www.ipa.co.uk/

AdForum is brought to you by Maydream, a global information provider, in a strategic partnership with major trade groups, consultants and a leading university. With a global network that spans four continents, AdForum is the Internet's leading portal to the advertising, marketing and communications industry.

http://www.adforum.com

Media Guardian is the marketing section of the Guardian newspaper on-line. Users can access the Haystack/Adforum databases via links from the Media Guardian site.

http://media.guardian.co.uk/