Company lists · Data refreshed September 2026

Top 25 Healthcare brand agencies based in London, United Kingdom

RevenueBase identified 645 company matches for healthcare brand agencies associated with London, United Kingdom as of September 2026 and tracks 19,686 professional contacts across them, including 3,580 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for healthcare brand 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 16, 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 16, 2026 How this list was built
645Companies
19,686Contacts tracked
3,580Verified emails
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The 25 largest healthcare brand agencies based in London, United Kingdom

Ranked by team size
Top 25 of 645 company matches for healthcare brand agencies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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 matchLondon, United KingdomHQ recorded Sep 16, 2026n/a1,891 contacts →

Exact match

“We make content more rewarding.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 16, 20261,001-5,0001,141 contacts →

Exact match

“United by one profound purpose: to reach EVERY PATIENT POSSIBLE.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 16, 20261,001-5,000385 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 16, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 16, 2026201-500283 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 16, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 16, 2026201-500232 contacts →

Exact match

“Welcome to Langland.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 16, 2026n/a229 contacts →

Exact match

“Welcome to Kitchen.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 16, 2026201-500123 contacts →

Exact match

“Big agencies deliver scale and diverse expertise.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 16, 202651-200103 contacts →

Exact match

“Your partner for bringing science to life.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 16, 202651-20099 contacts →

Exact match

“John Doe is a creative agency that makes the unknown, known.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 16, 202651-20085 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 16, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 16, 202651-20082 contacts →

Exact match

“Anchored in our ambition to deliver meaningful solutions that earn impact, Havas SO is built on an earned-first foundation, powered by PR, social, patient engagement, and…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 16, 202651-20081 contacts →

Exact match

“NexGen is an independent agency, with offices in the UK and US, known for its award-winning communications programmes that improve the lives of patients receiving our clients'…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 16, 2026501-1,00081 contacts →

Exact match

“At MGG Health, we help to make life-changing care happen.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 16, 202651-20077 contacts →

Exact match

“Founded in 2003, Substance is an award-winning digital marketing agency.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 16, 202651-20067 contacts →

Exact match

“We are Obsidian – a specialist healthcare agency dedicated to medical & scientific communications.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 16, 202651-20065 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 16, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 16, 202611-5053 contacts →

Exact match

“VCCP Health is the challenger agency for challenger healthcare brands.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 16, 202611-5052 contacts →

Exact match

“MONK is a brand strategy, design & experience firm, entrusted with delivering tactical and strategic marketing initiatives for some of the biggest brands and most influential…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 16, 202611-5049 contacts →

Exact match

“We create things that get you talked about.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 16, 202651-20048 contacts →

Exact match

“Hannah Mann and Abigail Stuart created Day One in 2019 with a clear aim: to help healthcare teams make confident decisions at the pace their markets demand.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 16, 202651-20046 contacts →

Exact match

“Envision 90TEN is a global healthcare communications consultancy.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 16, 202651-20045 contacts →

Exact match

“Since its inception, Remedica has proven itself to be an exemplary medical communications agency, working closely with medical affairs teams to deliver a range of services…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 16, 202651-20044 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 16, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 16, 202611-5043 contacts →

Exact match

“ALTER is an award-winning creative communications agency.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Sep 16, 202651-20038 contacts →

Exact match

“As an insight-led global brand consultancy, The Planning Shop is the partner of choice for healthcare brand development and communications, turning findings into insights, into…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase

Showing 25 of 645 healthcare brand agencies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 3,580 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Healthcare brand agencies based in London, United Kingdom at a glance

As of Sep 16, 2026
18.2%Verified-email coverage
30.5Average contacts per company
1-10Median size (employees)
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
398
11-50
184
51-200
45
201-500
10
501-1,000
2
1,001-5,000
6

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 645 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 “healthcare brand 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 3,580 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 16, 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 brand 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 “healthcare brand agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 645 company matches for healthcare brand 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 brand agencies?

London leads the United Kingdom with 645 company records, followed by Manchester (50) and Birmingham (30).

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 3,580 professional contacts with verified work emails tracked across these 645 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 16, 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.