Company lists · Data refreshed September 2026

Top 25 Full-service digital agencies based in London, United Kingdom

Name: Full-service digital agencies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 6,770 companies tracked

RevenueBase identified 6,770 company matches for full-service digital agencies associated with London, United Kingdom as of September 2026 and tracks 76,258 professional contacts across them, including 12,802 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for full-service digital agencies associated with London, United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 30, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 30, 2026 How this list was built

6,770Companies

76,258Contacts tracked

12,802Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest full-service digital agencies based in London, United Kingdom

Ranked by team size

Top 25 of 6,770 company matches for full-service digital agencies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Mediacom	Exact match	London, United KingdomHQ recorded Sep 30, 2026	5,001-10,000	3,247 contacts →
	Exact match “Hello.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	Iprospect	Exact match	London, United KingdomHQ recorded Sep 30, 2026	5,001-10,000	2,366 contacts →
	Exact match “iProspect, a dentsu company, is a leading global digital-first media agency.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	And Digital	Exact match	London, United KingdomHQ recorded Sep 30, 2026	1,001-5,000	1,044 contacts →
	Exact match “AND Digital is on a mission to close the world’s digital skills gap.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	T&p	Exact match	London, United KingdomHQ recorded Sep 30, 2026	1,001-5,000	925 contacts →
	Exact match “A global, fully integrated agency with AI at its heart.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	Everywhere	Exact match	London, United KingdomHQ recorded Sep 30, 2026	n/a	772 contacts →
	Exact match “Everywhere is a digital studio that’s transforming businesses with its powerful, considered products and services.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	IDX	Exact match	London, United KingdomHQ recorded Sep 30, 2026	501-1,000	517 contacts →
	Exact match “We are a trusted digital communications and marketing company.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	M C Saatchi Performance	Exact match	London, United KingdomHQ recorded Sep 30, 2026	201-500	457 contacts →
	Exact match “We are a Global digital media agency specializing in taking a human approach to connecting brands with people across all channels.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Zenitech	Exact match	London, United KingdomHQ recorded Sep 30, 2026	501-1,000	408 contacts →
	Exact match “Zenitech creates technology to transform businesses.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	KIN Carta	Exact match	London, United KingdomHQ recorded Sep 30, 2026	5,001-10,000	400 contacts →
	Exact match “Kin + Carta was acquired by Valtech in 2024.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	Merkle Emea	Exact match	London, United KingdomHQ recorded Sep 30, 2026	5,001-10,000	368 contacts →
	Exact match “Merkle, a dentsu company, powers the experience economy.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Bulletproof	Exact match	London, United KingdomHQ recorded Sep 30, 2026	201-500	358 contacts →
	Exact match “Bulletproof is the world’s largest independent brand agency, creating desire through disruption to accelerate growth, drive standout, and fuel fandom.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	DMS	Exact match	London, United KingdomHQ recorded Sep 30, 2026	51-200	299 contacts →
	Exact match “WE ARE A GLOBAL CREATIVE DIGITAL AGENCY At DMS, we bring together a powerhouse of creative, media intelligence and digital disciplines under one roof to support world-class…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	Spring Studios	Exact match	London, United KingdomHQ recorded Sep 30, 2026	201-500	279 contacts →
	Exact match “Spring is a global creative agency, headquartered in Europe, devoted to creating the exceptional for the world's most prestigious brands.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	TRUE	Exact match	London, United KingdomHQ recorded Sep 30, 2026	n/a	274 contacts →
	Exact match “With offices in London and New York we are content innovators, technologists and designers.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	Greenpark	Exact match	London, United KingdomHQ recorded Sep 30, 2026	201-500	269 contacts →
	Exact match “Greenpark is a global, award-winning digital agency.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Patron Studio	Exact match	London, United KingdomHQ recorded Sep 30, 2026	n/a	235 contacts →
	Exact match “We’re a multi-disciplinary design company partnering with brands and organisations who want to take on the challenge of change.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Kitchen	Exact match	London, United KingdomHQ recorded Sep 30, 2026	n/a	229 contacts →
	Exact match “Welcome to Kitchen.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	KRIFY	Exact match	London, United KingdomHQ recorded Sep 30, 2026	51-200	221 contacts →
	Exact match “Krify is a results-driven technology company specializing in crafting user-centric mobile apps, web applications, and software solutions.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Brave Bison	Exact match	London, United KingdomHQ recorded Sep 30, 2026	201-500	210 contacts →
	Exact match “A world where complexity is the only constant demands a new breed of company.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	BIG Group	Exact match	London, United KingdomHQ recorded Sep 30, 2026	51-200	177 contacts →
	Exact match “Founded in 1991, with offices in Amsterdam, Bath, Dubai and London our award-winning employee-owned company has consistently ranked as one of the UK's leading independent digital…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	COOLR	Exact match	London, United KingdomHQ recorded Sep 30, 2026	51-200	176 contacts →
	Exact match “Coolr is an award-winning social media and influencer marketing agency, with offices in London.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	DARE	Exact match	London, United KingdomHQ recorded Sep 30, 2026	51-200	176 contacts →
	Exact match “An experience, design and engineering company Dare is a digital creative agency.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	duck.design	Exact match	London, United KingdomHQ recorded Sep 30, 2026	51-200	161 contacts →
	Exact match “Design platform with influence around the world We help brands connect with their customers Brand identity, graphic & web design, illustration, motion” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	TOMMY	Exact match	London, United KingdomHQ recorded Sep 30, 2026	51-200	150 contacts →
	Exact match “Tommy is a creative agency and digital studio.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	Krow Group	Exact match	London, United KingdomHQ recorded Sep 30, 2026	201-500	150 contacts →
	Exact match “At krow Group, our ideas are designed to make a genuine difference, building your brand and making it easier to buy by capturing and converting people’s attention.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “full-service digital agencies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 6,770 full-service digital agencies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 12,802 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Full-service digital agencies based in London, United Kingdom at a glance

As of Sep 30, 2026

16.8%Verified-email coverage

11.3Average contacts per company

1-10Median size (employees)

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

4,591

11-50

1,750

51-200

319

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 6,770 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with London, United Kingdom whose business descriptions match “full-service digital agencies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 12,802 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 30, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Full-service digital agencies by metro in the United Kingdom

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “full-service digital agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many full-service digital agencies are there based in London, United Kingdom?

RevenueBase identified 6,770 company matches for full-service digital agencies associated with London, United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Mediacom tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United Kingdom has the most full-service digital agencies?

London leads the United Kingdom with 6,770 company records, followed by Manchester (736) and Birmingham (442).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 12,802 professional contacts with verified work emails tracked across these 6,770 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 2026.

Ready to reach these companies? Verified emails and direct dials for all 6,770 full-service digital agencies based in London, United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

Full-service digital agencies by geography

Browse the directory

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.