advertising agency

American  

noun

1. an agency employed by advertisers to plan, design, place, and supervise their advertisements or advertising campaigns.

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advertising agency British  

noun

1. an organization that creates advertising material, contracts for publication space, and sometimes undertakes market research on behalf of its clients

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Etymology

Origin of advertising agency

An Americanism dating back to 1840–50

Example Sentences

Not every midsize agency in the Midwest is thriving, and not every large holding company is struggling, said Mollie Rosen, president of member experience for advertising agency trade group the 4As.

From The Wall Street Journal • Feb. 17, 2026

Nicknamed the “Binoculars Building” and once the headquarters for advertising agency Chiat/Day, this building faces Main Street in Venice.

From Los Angeles Times • Dec. 5, 2025

Dan Kim, a creative director at New York advertising agency McCann, has considered leaving his mid-range club, Dumbo House, an outpost of Soho House in Brooklyn.

From Salon • May 30, 2025

He became a freelance photographer in 1968 after working for an advertising agency.

From BBC • Jan. 4, 2024

After the meeting I met an Irish girl who worked for an advertising agency, a girl who did social work, a schoolteacher, and the wife of a prominent university professor.

From "Black Boy" by Richard Wright