what an advertising agency does
An ad agency is generally independent from the client (it may be an internal department or even an internal agency) 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.Typical ad agency clients include businesses and corporations, non-profit organizations and government agencies.n agency can also handle overall marketing and branding strategies and sales promotions for its clients. Typical ad agency clients include businesses and corporations, non-profit organizations and government agencies.