An advertising agency may be a business dedicated to making, planning, and handling advertising and sometimes other varieties of promotion and marketing for its clients. they're often mentioned as a clever agency or an advertisement agency. they're full-service businesses ready to manage every aspect of an crusade. an advertisement agency also can handle overall marketing and branding strategies promotions for its clients, which can include sales likewise. They vary widely in size and scope and cater to different forms of customers. Some agencies have just one or two major clients whose accounts they manage. Others have many clients spread throughout the country or the globe serviced from many field offices. In general, an agency are ready to manage an account, provide creative services, and get media access for a client.