an agency that designs advertisement to call public attention to its clients

a company hired by an advertiser for the production of creative advertising material and its placement using the most effective media

an independent organization of professionals who provide creative a business services to clients in planning, preparing, and placing advertisements

creates advertising campaigns for clients, selects models

A company that oversees the direction of an ad campaign. Normally they are responsible for hiring photographers, producers and art directors.

A company which oversees the direction of an ad campaign. They are frequently responsible for the hiring of producers, art directors, photographers, talents, etc.

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.