Company lists · Data refreshed September 2026

Top 25 Directory of verified marketing agencies based in the United Kingdom

RevenueBase identified 1,165 company matches for directory of verified marketing agencies associated with the United Kingdom as of September 2026 and tracks 6,153 professional contacts across them, including 1,618 with verified work emails. London is the largest hub.

This list covers company matches for directory of verified marketing agencies associated with the 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 21, 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 21, 2026 How this list was built
1,165Companies
6,153Contacts tracked
1,618Verified emails
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The 25 largest directory of verified marketing agencies based in the United Kingdom

Ranked by team size
Top 25 of 1,165 company matches for directory of verified marketing agencies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLeeds, United KingdomHQ recorded Sep 21, 202651-200103 contacts →

Exact match

“Let’s face it, the world has become an increasingly digital place.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchIpswich, United KingdomHQ recorded Sep 21, 202651-20088 contacts →

Exact match

“Founded in 2008, Crafted ignites growth through marketing and digital products.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchSt Helens, United KingdomHQ recorded Sep 21, 202611-5079 contacts →

Exact match

“Simple.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchLeeds, United KingdomHQ recorded Sep 21, 2026201-50077 contacts →

Exact match

“Search Marketing | Content | Strategy Delivered by passionate people.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-20066 contacts →

Exact match

“Powered by client ratings, global awards data, and results from The Drum Awards, The Drum Recommends provides comprehensive research to help you make informed, confident decisions…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5058 contacts →

Exact match

“Make is one of the UK's fastest-growing Digital Agencies, with a growing team of 50 - servicing clients including IBM, Asana, Eventbrite, Soldo, Campari, Clearpay, Disney…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchBournemouth, United KingdomHQ recorded Sep 21, 202611-5054 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchBristol, United KingdomHQ recorded Sep 21, 202611-5054 contacts →

Exact match

“At Conscious, we have over 20 years of experience in helping law firms become more successful online.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchBelfast, United KingdomHQ recorded Sep 21, 202651-20051 contacts →

Exact match

“A leading web design and website development company in Belfast, serving clients across Northern Ireland, Ireland, UK and the rest of the world.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 21, 202651-20049 contacts →

Exact match

“Adapt helps global brands deliver campaigns that convert, by blending data-driven growth strategies with localisation expertise.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchLeeds, United KingdomHQ recorded Sep 21, 202611-5044 contacts →

Exact match

“We're Wolfenden, an independent performance marketing agency helping ambitious brands unlock sustainable growth through organic search, authority, digital PR, paid media, data and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchWinchester, United KingdomHQ recorded Sep 21, 2026n/a37 contacts →

Exact match

“Car buyers search differently now: AI answers, Google Maps, local search, often before they ever reach a dealer's website.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchBedford, United KingdomHQ recorded Sep 21, 202611-5036 contacts →

Exact match

“We are Xigen, a full-service digital design and marketing agency, specialising in ecommerce.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5035 contacts →

Exact match

“Haarty Hanks is a digital marketing agency comprised of tech nerds, creative designers and innovative strategists that plan and execute exceptional brand communications and web…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5033 contacts →

Exact match

“Bird UK - bird.co.uk Bird UAE - bird.ae Bird USA - bird.marketing Bird Marketing, an award-winning digital marketing agency, is a beacon of excellence in the digital landscape.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchColchester, United KingdomHQ recorded Sep 21, 202611-5032 contacts →

Exact match

“Footprint Digital is here to help.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchLeeds, United KingdomHQ recorded Sep 21, 202611-5031 contacts →

Exact match

“At SALT.agency, we work with global brands to deliver growth through pioneering organic search and AI visibility.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchLeatherhead, United KingdomHQ recorded Sep 21, 202611-5031 contacts →

Exact match

“Broadplace Advertising is a digital marketing agency, delivering a range of services and solutions to hundreds of businesses across the globe since 2005.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5030 contacts →

Exact match

“Verified Global is a dedicated sports marketing agency helping social media personalities maximize their digital presence, primarily in the US and Europe.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchStockton-on-tees, United KingdomHQ recorded Sep 21, 202611-5028 contacts →

Exact match

“Colewood has been helping businesses with their web & marketing needs Whether it be Paid Search, SEO, Social, Media Production, Website Design, Development and Hosting or Email…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchStone, United KingdomHQ recorded Sep 21, 202611-5028 contacts →

Exact match

“Extramile Digital is an international digital marketing agency committed to the growth and expansion of your business.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchBelfast, United KingdomHQ recorded Sep 21, 202611-5027 contacts →

Exact match

“Loud Mouth Media is a multi-award winning performance marketing agency with offices in Belfast, Glasgow, London and Dublin- 2026 Google Premier Partner - PPC Agency of the Year…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchLutterworth, United KingdomHQ recorded Sep 21, 202611-5027 contacts →

Exact match

“Pod’s focus as a digital marketing agency is collaborative working to bring your business the best results.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 21, 202611-5027 contacts →

Exact match

“KAU Media Group is a full service media agency that deliver compelling digital marketing solutions.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchSheffield, United KingdomHQ recorded Sep 21, 202611-5026 contacts →

Exact match

“We are an award-winning, Google Premier Partner agency providing a range of high-quality internet marketing services with a strong focus on client ROI and ethical best practice…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 1,165 directory of verified marketing agencies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,618 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Directory of verified marketing agencies based in the United Kingdom at a glance

As of Sep 21, 2026
26.3%Verified-email coverage
5.3Average contacts per company
1-10Median size (employees)
28.8%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
823
11-50
295
51-200
35
201-500
6
1,001-5,000
2

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 1,165 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 the United Kingdom whose business descriptions match “directory of verified marketing 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 1,618 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 21, 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.

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 “directory of verified marketing agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many directory of verified marketing agencies are there based in the United Kingdom?

RevenueBase identified 1,165 company matches for directory of verified marketing agencies associated with the 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?

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

Which city has the most directory of verified marketing agencies?

London leads with 336 company records, followed by Manchester (57) and Birmingham (42).

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 1,618 professional contacts with verified work emails tracked across these 1,165 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 21, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,165 directory of verified marketing agencies based in the United Kingdom. Start with a free account, no credit card.

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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.