Company lists · Data refreshed September 2026

Top 25 Healthcare B2B marketing agencies based in London, United Kingdom

Name: Healthcare B2B marketing 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 12, 2026 495 companies tracked

RevenueBase identified 495 company matches for healthcare B2B marketing agencies associated with London, United Kingdom as of September 2026 and tracks 15,106 professional contacts across them, including 1,939 with verified work emails and 1,214 with mobile numbers. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for healthcare B2B marketing 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 12, 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 12, 2026 How this list was built

495Companies

15,106Contacts tracked

1,939Verified emails

1,214Mobile numbers

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The 25 largest healthcare B2B marketing agencies based in London, United Kingdom

Ranked by team size

Top 25 of 495 company matches for healthcare B2B marketing agencies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 12, 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	OI	Exact match	London, United KingdomHQ recorded Sep 12, 2026	n/a	1,891 contacts →
	Exact match “We make content more rewarding.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
2	Open Health Scientific Communications	Exact match	London, United KingdomHQ recorded Sep 12, 2026	1,001-5,000	385 contacts →
	Exact match “OPEN Health unites deep scientific knowledge with wide-ranging specialist expertise to unlock possibilities that improve health outcomes and patient wellbeing.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
3	Lucid Group	Exact match	London, United KingdomHQ recorded Sep 12, 2026	201-500	283 contacts →
	Exact match “Lucid Group: Catalysts for Change In today’s complex healthcare environment, even the most brilliant science can stall, with 70% of healthcare brands not hitting launch…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
4	Publicis PRO	Exact match	London, United KingdomHQ recorded Sep 12, 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 12, 2026 · View company records in RevenueBase
5	AXON	Exact match	London, United KingdomHQ recorded Sep 12, 2026	201-500	123 contacts →
	Exact match “Big agencies deliver scale and diverse expertise.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
6	Ledger Bennett	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	93 contacts →
	Exact match “We’re Ledger Bennett.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
7	Internal Results	Exact match	London, United KingdomHQ recorded Sep 12, 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 12, 2026 · View company records in RevenueBase
8	Konica Minolta Marketing Services	Exact match	London, United KingdomHQ recorded Sep 12, 2026	501-1,000	87 contacts →
	Exact match “Head to Indicia Worldwide for our exciting new profile, packed with great content.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
9	Cherry	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	85 contacts →
	Exact match “Hello, we are Cherry - a full-service healthcare creative agency that grows brands and careers.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
10	GHO Capital Partners LLP	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	76 contacts →
	Exact match “Global Healthcare Opportunities, or GHO Capital, was founded in 2014 as a specialist healthcare investment adviser based in London.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
11	Propeller Group	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	71 contacts →
	Exact match “Propeller Group is a global B2B agency with an integrated approach to PR, content, and growth marketing.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
12	FST	Exact match	London, United KingdomHQ recorded Sep 12, 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 12, 2026 · View company records in RevenueBase
13	Candesic	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	66 contacts →
	Exact match “Candesic is a leading specialist healthcare, pharma & life sciences and medtech management consulting firm.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
14	Eureka Digital	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	65 contacts →
	Exact match “Eureka Digital is a multi-award-winning digital marketing agency specializing in healthcare and pharmaceuticals.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
15	Vccp Health	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	53 contacts →
	Exact match “VCCP Health is the challenger agency for challenger healthcare brands.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
16	The Marketing Practice	Exact match	London, United KingdomHQ recorded Sep 12, 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 12, 2026 · View company records in RevenueBase
17	The Think Tank	Exact match	London, United KingdomHQ recorded Sep 12, 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 12, 2026 · View company records in RevenueBase
18	Scientific Group	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	44 contacts →
	Exact match “Scientific Group: Healthcare communications for a changing world We’re an independent group of agencies dedicated to solving your most complex communication challenges across the…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
19	Newmarket Strategy	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	35 contacts →
	Exact match “Newmarket Strategy’s mission is to help patients and clinicians gain better access to life-changing innovations.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
20	Mansfield Advisors	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	35 contacts →
	Exact match “Mansfield is a leading healthcare and life sciences strategy consulting firm as ranked by the Financial Times and Vault.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
21	Gilroy	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	35 contacts →
	Exact match “For 50 years Gilroy has been trusted by world-leading B2B brands to accelerate acquisitions, unlock strategic account growth and maximise customer lifetime value.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
22	Digitas Health LDN	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	34 contacts →
	Exact match “Digitas Health LDN is a modern marketing agency.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
23	SAY Communications	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	34 contacts →
	Exact match “We are HEALTHCARE, TECHNOLOGY and CORPORATE COMMUNICATIONS specialists.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
24	Everybody Agency Certified B Corp	Exact match	London, United KingdomHQ recorded Sep 12, 2026	11-50	33 contacts →
	Exact match “Helping great health and wellness brands win.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase
25	Velocity Partners	Exact match	London, United KingdomHQ recorded Sep 12, 2026	51-200	32 contacts →
	Exact match “B2B marketing has a big pipeline problem.” Recorded in the RevenueBase company graph · Sep 12, 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 “healthcare B2B marketing 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 495 healthcare B2B marketing agencies based in London, United Kingdom

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Healthcare B2B marketing agencies based in London, United Kingdom at a glance

As of Sep 12, 2026

12.8%Verified-email coverage

8.0%Mobile-number coverage

30.5Average contacts per company

1-10Median size (employees)

Sep 12, 2026Page data refreshed

Companies by employee count

1-10

296

11-50

143

51-200

201-500

501-1,000

1,001-5,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 14.0d

1,6420–30

28531–60

761–90

190–180

4180+

Company record updated

Median 80.0d

00–30

3,12731–60

9,35461–90

2,08090–180

545180+

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 “healthcare B2B 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 1,939 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 12, 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.

Healthcare B2B marketing agencies by metro in the United Kingdom

Healthcare B2B marketing agencies in Manchester58

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 “healthcare B2B marketing agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many healthcare B2B marketing agencies are there based in London, United Kingdom?

RevenueBase identified 495 company matches for healthcare B2B marketing 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?

OI 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 healthcare B2B marketing agencies?

London leads the United Kingdom with 581 company records, followed by Manchester (58) and Birmingham (41).

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 1,939 professional contacts with verified work emails tracked across these 495 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 12, 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.