advertising agency

American  

noun

• advertising agencies
  plural

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

---

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

---

Other Word Forms

Noun Inflected Forms

• advertising agencies
  plural

Etymology

Origin of advertising agency

An Americanism dating back to 1840–50

Example Sentences

See Examples For:

advertising agency

Anthropic traced a fake news operation to LKM Company, a French advertising agency.

From Barron's ● Sep. 11, 2026

At 58, Susan Lee Colby founded Grace Creative LA, an advertising agency focused on the 50-and-older market, because, she said, she had “aged out” of traditional advertising agencies.

From MarketWatch ● Jul. 1, 2026

This was a decision influenced by the board of an advertising agency on which Deighton had once served, where everyone else went to Eton.

From BBC ● Mar. 17, 2026

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

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