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The Agency by Agency Atlas 2026

Nearly 25,000 active agencies. 194,000 people. £33 billion in turnover. £18 billion in gross value added. Close to a billion pounds in investment. These are the numbers of a sector that deserves to be understood properly and supported accordingly.

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  • Article
  • Partnership

83p in the pound: Gender pay gaps across the UK’s largest agencies

Exploring the gender pay gap within the UK’s largest agencies and what it means for the sector. In collaboration with gender pay gap consultant Lynda Harvey.

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  • Article
  • Partnership

The language trap: How agencies describe themselves and what it reveals about differentiation

A collaboration between Agency by Agency and Treacle to explore how similarities in agency descriptions can make it hard to stand out from the crowd.

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  • Article

Time to scale-up: How 861 agencies are driving disproportionate sector growth

Just 3.4% of all active agencies qualify as scale-ups, yet they generate a quarter of sector turnover and employ more than a quarter of the workforce. What makes these agencies different?

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Find an agency

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High‑quality, hand‑picked agency lists built from our comprehensive data and around your needs.

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  • Article
  • Partnership

83p in the pound: Gender pay gaps across the UK’s largest agencies

Exploring the gender pay gap within the UK’s largest agencies and what it means for the sector. In collaboration with gender pay gap consultant Lynda Harvey.

Read more
  • Article
  • Partnership

The language trap: How agencies describe themselves and what it reveals about differentiation

A collaboration between Agency by Agency and Treacle to explore how similarities in agency descriptions can make it hard to stand out from the crowd.

Read more
  • Article

Time to scale-up: How 861 agencies are driving disproportionate sector growth

Just 3.4% of all active agencies qualify as scale-ups, yet they generate a quarter of sector turnover and employ more than a quarter of the workforce. What makes these agencies different?

Read more
  • Article

Mapping the sector: Agency by Agency’s 2025 story

From creating the first comprehensive mapping of the UK agency sector to launching our Find an Agency service, 2025 has been a journey of discovery, collaboration and impact.

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  • Article

Making sense of the sector: Understanding what agencies do and how to find the agency you’re looking for

From finding 25,000 agencies to developing our sophisticated classification system - how our comprehensive mapping transforms understanding of the sector and helps you find the agency you’re looking for.

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  • Report

Where we work: Mapping the UK agency workforce

Exploring the agency workforce, from the size of agencies, subsectors and specialisms, to regional workforces and a case study on Glasgow.

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