An advertising agency or ad agency is a service business dedicated to creating, planning and handling advertising (and sometimes other forms of promotion) for its clients. An ad agency is independent from the client and provides an outside point of view to the effort of selling the client's products or services. An agency can also handle overall marketing and branding strategies and sales promotions for its clients.

 

History:
George Reynell, an officer at the London Gazette, set up what is believed to be the first advertising agency in London, United Kingdom, in 1812. This remained a family business until 1993, as 'Reynell & Son', and is now part of the TMP Worldwide agency (UK and Ireland) under the brand TMP Reynell.[citation needed] Another early advertising agent in London was Charles Barker, and the firm he established traded as 'Barkers' until 2009 when it went into Administration.

Volney B. Palmer opened the first American advertising agency, in Philadelphia in 1850. This agency placed ads produced by its clients in various newspapers

produce "photographs, ambrotypes and daguerreotypes. His ads were the first whose typeface and fonts were distinct from the text of the publication and from that of other advertisements. At that time all newspaper ads were set in agate and only agate. His use of larger distinctive fonts caused a sensation. Later that same year Robert Bonner ran the first full-page ad in a newspaper.

In 1864, William James Carlton began selling advertising space in religious magazines. James Walter Thompson joined this firm in 1868. Thompson rapidly became their best salesman, purchasing the company in 1877 and renaming it the James Walter Thompson Company, which today is the oldest American advertising agency. Realizing that he could sell more space if the company provided the service of developing content for advertisers, Thompson hired writers and artists to form the first known Creative Department in an advertising agency. He is credited as the "father of modern magazine advertising" in the US.