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The Madison Avenue Field GuideA field guide to marketing & advertising, by Brandon Mina

GlossaryAgency & IndustryFull-Service Agency

Agency & Industry

Full-Service Agency

An agency offering strategy, creative, media, digital, and often PR under one roof as a single partner.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

A full-service agency is an agency offering strategy, creative, media, digital and often PR under one roof as a single partner. Clients benefit from integrated planning, consistent messaging and simpler coordination. The trade-off is that one agency may not be best in class at every discipline compared with specialist firms.