Company lists · Data verified August 2026

Top 25 Biotech marketing agencies based in London, United Kingdom

Name: Biotech marketing agencies based in London, United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,149 companies tracked

There are 1,149 biotech marketing agencies headquartered in London, United Kingdom (RevenueBase, August 2026). RevenueBase tracks 22,256 professional contacts across them, including 2,780 with verified work emails and 2,123 with mobile numbers. London is the largest hub.

This list covers biotech marketing agencies headquartered in London, United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

1,149Companies

22,256Contacts tracked

2,780Verified emails

2,123Mobile numbers

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The 25 largest biotech marketing agencies based in London, United Kingdom

Ranked by team size

Top 25 of 1,149 biotech marketing agencies based in London, United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	KLICK	London	1,001-5,000	1,746	1,065
2	IPG Health	London	5,001-10,000	704	247
3	Accord Marketing	London	51-200	87	61
4	Forefront International Forefront	London	51-200	65	2
5	Resilient Collective	London	51-200	65	1
6	The Marketing Practice	London	501-1,000	52	30
7	The Think Tank	London	11-50	45	25
8	ANGEL	London	11-50	41	1
9	Digitas Health LDN	London	51-200	35	24
10	Passion Digital	London	11-50	32	2
11	Metric BIO	London	51-200	25	13
12	Eureka	London	11-50	24	2
13	Catalysis Communications	London	11-50	22	11
14	As&k Communications	London	51-200	21	12
15	HIVE	London	51-200	19	4
16	DE Facto Communications	London	11-50	18	6
17	Kingpin Communications	London	51-200	16	1
18	Isoline Communications	London	11-50	15	9
19	Together Creative	London	11-50	13	7
20	Nautilus Marketing	London	11-50	12	8
21	Mbastack	London	51-200	10	8
22	Chocolate LTD	London	11-50	10	4
23	Webure Technologies	London	51-200	10	1
24	Luminary Brands	London	11-50	9	2
25	NUCCO	London	11-50	8	3

Showing 25 of 1,149 biotech marketing agencies based in London, United Kingdom

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Biotech marketing agencies based in London, United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 163 HQs

2,123Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

777

11-50

306

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Biotech marketing agencies by metro in the United Kingdom

Metro	Companies
Biotech marketing agencies in London	163
Biotech marketing agencies in Cambridge	18
Biotech marketing agencies in Manchester	16
Biotech marketing agencies in Bristol	9
Biotech marketing agencies in Leeds	7
Biotech marketing agencies in Oxford	6
Biotech marketing agencies in Edinburgh	5

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “biotech marketing agencies”, with match quality audited by blind human judging, and headquartered in London, United Kingdom.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

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

There are 1,149 biotech marketing agencies headquartered in London, United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

KLICK, headquartered in London, tops this list with the largest team on record.

Which city has the most biotech marketing agencies?

London leads with 163 headquartered companies, followed by Cambridge (18) and Manchester (16).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,780 verified decision-maker contacts tracked across these 1,149 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.