A professional service firm specializing in the creation, planning, and management of advertising[2] campaigns for its clientele, an advertising agency serves as an intermediary between advertisers and media channels. It offers a range of services, including creative design, the implementation of marketing strategies, media planning and purchasing, and market research. Originating in the late 18th century, the roles and services of these agencies have evolved over time. Nowadays, they function on a worldwide scale and have broadened their services to encompass digital and mobile advertising, data analysis, influencer and experiential marketing, among others. They also integrate sustainability and corporate social responsibility[1] into their advertising initiatives. Cultural variances and technological advancements significantly influence their operations and campaigns, with an increasing trend towards international creative collaborations.
An advertising agency, often referred to as a creative agency or an ad agency, is a business dedicated to creating, planning, and handling advertising and sometimes other forms of promotion and marketing for its clients. An ad agency is generally independent of the client; it may be an internal department or agency that provides an outside point of view to the effort of selling the client's products or services, or an outside firm. An agency can also handle overall marketing and branding strategies promotions for its clients, which may include sales as well.
Typical ad agency clients include businesses and corporations, non-profit organizations and private agencies. Agencies may be hired to produce television advertisements, radio advertisements, online advertising, out-of-home advertising, mobile marketing, and AR advertising, as part of an advertising campaign.