advertising agency controller definition
An advertising agency or ad agency or advert agency is a service based business dedicated to creating, planning, and handling advertising (and sometimes other forms of promotion) for its clients.nother early agency that traded until recently, was founded by 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.