Company lists · Data refreshed September 2026

Top 25 B2B direct mail agencies based in London, United Kingdom

Name: B2B direct mail 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 7, 2026 190 companies tracked

RevenueBase identified 190 company matches for B2B direct mail agencies associated with London, United Kingdom as of September 2026 and tracks 3,813 professional contacts across them, including 525 with verified work emails and 125 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for B2B direct mail 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 7, 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 7, 2026 How this list was built

190Companies

3,813Contacts tracked

525Verified emails

125Mobile numbers

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The 25 largest B2B direct mail agencies based in London, United Kingdom

Ranked by team size

Top 25 of 190 company matches for B2B direct mail agencies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 7, 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	Publicis PRO	Exact match	London, United KingdomHQ recorded Sep 7, 2026	51-200	139 contacts →
	Exact match “Publicis Pro is the specialist B2B marketing agency within Publicis Groupe, the world's number one marketing holding group.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
2	Marketreach	Exact match	London, United KingdomHQ recorded Sep 7, 2026	51-200	109 contacts →
	Exact match “Welcome to Marketreach, the marketing authority on commercial mail.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
3	Internal Results	Exact match	London, United KingdomHQ recorded Sep 7, 2026	201-500	88 contacts →
	Exact match “The B2B Customer Acquisition Specialists Internal Results specialize in generating leads, promoting content, and driving brand awareness for B2B organizations worldwide through…” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
4	FST	Exact match	London, United KingdomHQ recorded Sep 7, 2026	11-50	70 contacts →
	Exact match “We get B2B brands noticed in a world that isn’t looking” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
5	The Marketing Practice	Exact match	London, United KingdomHQ recorded Sep 7, 2026	501-1,000	51 contacts →
	Exact match “At The Marketing Practice, we’ve combined the best B2B specialists from across the globe in one business, with capabilities that stretch through the funnel, from brand to demand…” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
6	The Think Tank	Exact match	London, United KingdomHQ recorded Sep 7, 2026	11-50	44 contacts →
	Exact match “We are The Think Tank: a fully-integrated, result-oriented agency based in Holborn, London.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
7	INC Direct	Exact match	London, United KingdomHQ recorded Sep 7, 2026	51-200	36 contacts →
	Exact match “Inc Direct has evolved into one of the UKs most respected, innovative and forward thinking marketing communications companies.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
8	WPNC	Exact match	London, United KingdomHQ recorded Sep 7, 2026	51-200	35 contacts →
	Exact match “wpnc is a digital and direct agency.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
9	Haarty Hanks	Exact match	London, United KingdomHQ recorded Sep 7, 2026	11-50	35 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 7, 2026 · View company records in RevenueBase
10	Velocity Partners	Exact match	London, United KingdomHQ recorded Sep 7, 2026	51-200	32 contacts →
	Exact match “B2B marketing has a big pipeline problem.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
11	Digiio	Exact match	London, United KingdomHQ recorded Sep 7, 2026	11-50	28 contacts →
	Exact match “At digiio we pioneer innovative campaigns, approaches and intelligence that unlock interest and capture the imagination of our client’s customers.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
12	Chiief	Exact match	London, United KingdomHQ recorded Sep 7, 2026	11-50	26 contacts →
	Exact match “Chiief is a global B2B marketing and events agency helping FSI, Manufacturinig and Technology brands accelerate revenue, expand market presence, and drive high-value engagement…” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
13	VELO	Exact match	London, United KingdomHQ recorded Sep 7, 2026	11-50	24 contacts →
	Exact match “Built on recommendations, Velo is a specialist B2B agency that crafts marketing to be proud of for clients targeting a niche in the technology, industrial, and professional…” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
14	Addintel	Exact match	London, United KingdomHQ recorded Sep 7, 2026	11-50	22 contacts →
	Exact match “AIM360.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
15	The Leaflet Company	Exact match	London, United KingdomHQ recorded Sep 7, 2026	51-200	21 contacts →
	Exact match “The Leaflet Company is the UK’s leading distributor of unaddressed mail and forms part of a wider group of companies, including The Insert Company, Face to Face, Print Force and…” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
16	Full Comms	Exact match	London, United KingdomHQ recorded Sep 7, 2026	11-50	18 contacts →
	Exact match “WHO WE ARE: Founded in 1993 and formerly known as GTA Advertising, we started life as a traditional media buying and advertising agency.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
17	ARM Direct LTD	Exact match	London, United KingdomHQ recorded Sep 7, 2026	1-10	18 contacts →
	Exact match “THANK YOU FOR VISITING THE ARM DIRECT PAGE: ARM DIRECT LTD + ARM DIRECT GROUP LTD We are a specialist Full-Service Direct Response Agency offering a combination of Media Buying +…” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
18	Open House Media	Exact match	London, United KingdomHQ recorded Sep 7, 2026	11-50	16 contacts →
	Exact match “OHM is a London-based email marketing agency.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
19	Adds Corporation	Exact match	London, United KingdomHQ recorded Sep 7, 2026	51-200	16 contacts →
	Exact match “ADDS Corporation is a one-stop marketplace for the best B2B Marketers, Agencies, Publishers, and Lead Generation Solution Providers.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
20	BIG Wolf Marketing	Exact match	London, United KingdomHQ recorded Sep 7, 2026	51-200	16 contacts →
	Exact match “Big Wolf Marketing - Leaders in B2B Telemarketing, Lead Generation & Appointment Setting With a vast combined experience, implementing established and cutting edge innovative…” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
21	Kingpin Communications	Exact match	London, United KingdomHQ recorded Sep 7, 2026	51-200	16 contacts →
	Exact match “Kingpin is now part of The Marketing Practice The Marketing Practice has combined the best B2B specialists from across the globe in one business, with capabilities that stretch…” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
22	Brand And Deliver	Exact match	London, United KingdomHQ recorded Sep 7, 2026	11-50	15 contacts →
	Exact match “Brand & Deliver is a full service creative marketing agency.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
23	Media Engineered	Exact match	London, United KingdomHQ recorded Sep 7, 2026	11-50	11 contacts →
	Exact match “Media Engineered helps DTC brands scale ad spend and slash CPA through direct response ad creatives and Meta ads.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
24	Lavery Rowe Advertising	Exact match	London, United KingdomHQ recorded Sep 7, 2026	11-50	10 contacts →
	Exact match “Lavery Rowe Advertising has over 30 years experience in Direct Response and Performance Marketing.” Recorded in the RevenueBase company graph · Sep 7, 2026 · View company records in RevenueBase
25	Melusine Studio	Exact match	London, United KingdomHQ recorded Sep 7, 2026	1-10	9 contacts →
	Exact match “With over 10 years of experience in the e-commerce space, we know a thing or two about delivering results.” Recorded in the RevenueBase company graph · Sep 7, 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 “B2B direct mail 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 190 B2B direct mail agencies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 525 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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B2B direct mail agencies based in London, United Kingdom at a glance

As of Sep 7, 2026

13.8%Verified-email coverage

3.3%Mobile-number coverage

20.1Average contacts per company

1-10Median size (employees)

Sep 7, 2026Page data refreshed

Companies by employee count

1-10

100

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

4860–30

3631–60

161–90

090–180

2180+

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 “B2B direct mail 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 525 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 7, 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 “B2B direct mail agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many B2B direct mail agencies are there based in London, United Kingdom?

RevenueBase identified 190 company matches for B2B direct mail 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?

Publicis PRO 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 B2B direct mail agencies?

London leads the United Kingdom with 190 company records, followed by Manchester (34) and Birmingham (24).

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 525 professional contacts with verified work emails tracked across these 190 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 7, 2026.

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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.