AdCounts

"A dvertising is the art of making whole lies out of half truths." "Advertising is creative form of communication to promote a product or service.  It persuades the audience to take part or purchase what is being advertised." In 2010, spending on advertising was estimated at more than $300 billion in the United States and $500 billion worldwide. Internationally, the largest (four) advertising conglomerates are Interpublic, Omnicom, Publicis, and WPP.

Rank Agency Headquarters Revenue ( US$ millions) 1 Omnicom Group New York City 10,481.1 2 WPP Group London 10,032.2 3 Interpublic Group of Companies New York City 6,700 4 Publicis Groupe Paris 5,107.2 5 Dentsu Tokyo 2,887.8 6 Havas Suresnes, France 1,808.0 7 Aegis Group London 1,577.6 8 Hakuhodo DY Holdings Tokyo 1,364.0 9 Asatsu-DK Tokyo 444.8 10 MDC Partners Toronto / New York City 443.5