Company lists · Data verified August 2026

Top 25 Drug development consulting firms based in the United Kingdom

Name: Drug development consulting firms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,029 companies tracked

There are 1,029 drug development consulting firms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 29,198 professional contacts across them, including 11,492 with verified work emails and 4,424 with mobile numbers. London is the largest hub.

This list covers drug development consulting firms headquartered in the 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.

1,029Companies

29,198Contacts tracked

11,492Verified emails

4,424Mobile numbers

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The 25 largest drug development consulting firms based in the United Kingdom

Ranked by team size

Top 25 of 1,029 drug development consulting firms based in the 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	Premier Research	Wokingham	1,001-5,000	2,637	1,223
2	Pharmaron	Cramlington	10001+	1,717	639
3	Perceptive INC	London	1,001-5,000	1,197	736
4	Celerion	Belfast	1,001-5,000	1,094	567
5	Selvita	Cambridge	1,001-5,000	684	519
6	Aptuit	Abingdon	501-1,000	680	273
7	Carbogen Amcis	Manchester	1,001-5,000	651	426
8	Fisher Clinical Services	Horsham	10001+	615	5
9	Pharm-Olam, LLC	Bracknell	501-1,000	560	118
10	Citeline	London	501-1,000	475	190
11	CALYX	Nottingham	1,001-5,000	457	117
12	Putnam	London	201-500	401	239
13	Phastar	Glasgow	501-1,000	383	298
14	Vernalis	Great Abington Cambridge	51-200	330	53
15	Isomorphic Labs	London	201-500	324	168
16	Simbec-Orion	Tydfil	201-500	308	168
17	Amiculum	Bollington	201-500	293	216
18	Theorem NOW Fortrea	Slough	10001+	286	1
19	Lucid Group	London	201-500	279	195
20	Langland	London	201-500	239	143
21	Concept Life Sciences	Sandwich	201-500	208	137
22	Richmond Pharmacology	London	51-200	203	116
23	Caduceus Lane Marketing Consultancy	Dubai.	51-200	184	9
24	Celegence	London	51-200	182	78
25	SCOUT	London	201-500	168	107

Showing 25 of 1,029 drug development consulting firms based in the United Kingdom

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Drug development consulting firms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 325 HQs

4,424Contacts with mobile numbers

20Emails re-verified in last 30 days

Companies by employee count

1-10

666

11-50

204

51-200

201-500

501-1,000

1,001-5,000

10001+

Drug development consulting firms by metro

Metro	Companies
Drug development consulting firms in London	325
Drug development consulting firms in Cambridge	54
Drug development consulting firms in Manchester	29
Drug development consulting firms in Nottingham	16
Drug development consulting firms in Edinburgh	15
Drug development consulting firms in Glasgow	15
Drug development consulting firms in Oxford	14

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 “drug development consulting firms”, with match quality audited by blind human judging, and headquartered in the 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; 20 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 drug development consulting firms are there based in the United Kingdom?

There are 1,029 drug development consulting firms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

Premier Research, headquartered in Wokingham, tops this list with the largest team on record.

Which city has the most drug development consulting firms?

London leads with 325 headquartered companies, followed by Cambridge (54) and Manchester (29).

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 11,492 verified decision-maker contacts tracked across these 1,029 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.