Comprehensive mapping of the UK agency sector.

Find agencies. Understand the sector. Data, insight and clarity to drive decision-making.

How can we help you?

Agency by Agency provides the only comprehensive data and insight into the UK’s marketing, advertising, creative and media agency sector. Combining up-to-date data with industry expertise, we have been created by the sector for the sector.

  • Find an agency

    Find the right agency. Faster.

    High‑quality, hand‑picked agency lists built from our comprehensive data on more than 25,500 UK agencies and around your ideal customer profile, M&A strategy or brand needs.

    • Find specific agencies
    • Shortlist M&A targets
    • Create a pitch list
    • Scale up your database
    • Build stronger partnerships
    • Run smarter, more effective agency searches
    • Secure B2B prospecting data based on your ideal client fit
    Find out more

Explore

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  • Report

City spotlight: Bristol

Our first city report explores Bristol, one of the UK’s most distinctive creative hubs, and what makes the agency landscape in the city different.

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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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  • 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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What are people saying?

“At last, we can shine a detailed light on the industry as a whole.”

Paul Mead, Chair of We Discover, Beacon lead at the IPA

“A brilliant ‘never been done before’ data set that puts the spotlight firmly onto the key levers of growth for the whole agency industry.”

Emma Hillary, Growth Director, Verity Relationship Intelligence

“The most telling story of the analysis is that specialisation wins.”

Robert Craven, Managing Partner, GYDA on the IndieNation Report

“With this level of competition, fitting in won't help agencies stand out.”

Claire Hutchings, Founder & MD Chime Agency on the Industry Report

“This new analysis provides industry insight that we've never had in such detail before.”

Jason Neale, Managing Director, Agency Works

Subscribe to our newsletter

The Briefing from Agency by Agency is our regular newsletter in which we share stories from our mapping of the agency sector and explore the trends that matter to the agency community.

Recent editions have included:

- What if growth isn't the goal? Rethinking agency success
- Agency specialisation and emerging subsectors
- What our growth data might mean for agency strategy
- Structuring your agency for its next phase
- Beyond London - the shifting landscape of the UK agency sector

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