Company lists · Data refreshed September 2026

Top 25 Pharmaceutical development companies based in the United Kingdom

Name: Pharmaceutical development companies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 400 companies tracked

RevenueBase identified 400 company matches for pharmaceutical development companies associated with the United Kingdom as of September 2026 and tracks 14,737 professional contacts across them, including 4,128 with verified work emails. London is the largest hub.

This list covers company matches for pharmaceutical development companies associated with the 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 17, 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 17, 2026 How this list was built

400Companies

14,737Contacts tracked

4,128Verified emails

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The 25 largest pharmaceutical development companies based in the United Kingdom

Ranked by team size

Top 25 of 400 company matches for pharmaceutical development companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Bespak	Exact match	Holmes Chapel, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	536 contacts →
	Exact match “Bespak is a global contract development and manufacturing organisation (CDMO) focused on inhaled and nasal drug delivery devices and drug-device combination products.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	O2h Discovery	Exact match	Cambridge, United KingdomHQ recorded Sep 17, 2026	501-1,000	521 contacts →
	Exact match “Founded in 2005, o2h discovery is a Contract Research Organisation which has an integrated drug discovery platform operating from our state-of-the-art research centre in India and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Vernalis	Exact match	Cambridge, United KingdomHQ recorded Sep 17, 2026	51-200	330 contacts →
	Exact match “We develop and apply fragment and structure-based methods to solve problems in drug discovery, and have generated cell active lead compounds and development candidates against…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Bristol Myers Squibb UK & Ireland	Exact match	London, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	317 contacts →
	Exact match “Bristol Myers Squibb is a differentiated company, led by our revolutionary BioPharma strategy that combines the reach and resources of a major pharmaceutical firm with the…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Pharmanovia	Exact match	Basildon, United KingdomHQ recorded Sep 17, 2026	201-500	300 contacts →
	Exact match “Pharmanovia is an innovative specialty pharmaceutical company with a clear purpose: helping patients lead fuller lives today and tomorrow.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Crescent Pharma LTD	Exact match	Basingstoke, United KingdomHQ recorded Sep 17, 2026	51-200	265 contacts →
	Exact match “Crescent Pharma Limited is an established UK registered pharmaceutical company with a wide range of experience in the development, quality control and marketing of generic…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	B&s Group	Exact match	Perivale, United KingdomHQ recorded Sep 17, 2026	501-1,000	250 contacts →
	Exact match “Operating since B&S Group with its global presence has become one of the leading Pharmaceutical suppliers in the UK, experts in nationwide distribution and at the forefront of…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Rosemont Pharmaceuticals	Exact match	Leeds, United KingdomHQ recorded Sep 17, 2026	51-200	227 contacts →
	Exact match “At Rosemont our mission is to be a rapid developer, reliable manufacturer and global supplier of novel-delivery, patient-focused medicines.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	GW Pharmaceuticals PLC	Exact match	Cambridge, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	218 contacts →
	Exact match “GW Pharmaceuticals is now part of Jazz Pharmaceuticals.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	HVIVO	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	214 contacts →
	Exact match “hVIVO plc (Ticker: HVO) is a science‑led early‑phase drug development company purpose‑built to meet the growing complexity of modern clinical research.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Napp Pharmaceuticals Limited	Exact match	Cambridge, United KingdomHQ recorded Sep 17, 2026	51-200	208 contacts →
	Exact match “Napp Pharmaceuticals is a member of the Mundipharma network of independent associated companies.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Aspire Pharma LTD	Exact match	Petersfield, United KingdomHQ recorded Sep 17, 2026	51-200	176 contacts →
	Exact match “Aspire Pharma is an innovative, privately owned British pharmaceutical company established in 2009.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Aesica Pharmaceuticals LTD	Exact match	Hemel Hempstead, United KingdomHQ recorded Sep 17, 2026	1,001-5,000	157 contacts →
	Exact match “Aesica is a leading pharmaceutical contract development and manufacturing organisation (CDMO) for both APIs and finished dose forms.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	The Association Of The British Pharmaceutical Industry Abpi	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	120 contacts →
	Exact match “The ABPI exists to make the UK the best place in the world to research, develop and use new medicines.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Daiichi Sankyo UK	Exact match	Uxbridge, United KingdomHQ recorded Sep 17, 2026	201-500	117 contacts →
	Exact match “Daiichi Sankyo UK is a pharmaceutical company with corporate origins in Japan.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Catsci LTD	Exact match	Wentloog, United KingdomHQ recorded Sep 17, 2026	51-200	114 contacts →
	Exact match “CatSci Ltd is an award-winning innovation partner, dedicated to breaking down the silos in small molecules, TACS, glues and oligonucleotides CMC development to accelerate the…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Novumgen	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	111 contacts →
	Exact match “Novumgen was founded by a group of experienced pharmaceutical professionals with the goal of developing and producing innovative, high quality medicines.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Upperton Pharma Solutions	Exact match	Beeston, United KingdomHQ recorded Sep 17, 2026	51-200	110 contacts →
	Exact match “Upperton Pharma Solutions is a specialist CDMO (contract development and manufacturing organisation) providing formulation and dosage form development and clinical trial…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Custom Pharma Services	Exact match	Hove, United KingdomHQ recorded Sep 17, 2026	51-200	104 contacts →
	Exact match “Custom Pharma Services is located in Brighton, UK since 1979 and is a full-service contract development and manufacturing organisation (CDMO) providing services tailored to your…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Arcinova	Exact match	Alnwick, United KingdomHQ recorded Sep 17, 2026	51-200	102 contacts →
	Exact match “Arcinova, A Quotient Sciences Company, is dedicated to providing innovative contract research, development, and manufacturing services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Orbit Pharmaceuticals	Exact match	London, United KingdomHQ recorded Sep 17, 2026	51-200	100 contacts →
	Exact match “Orbit Pharma is a rapidly expanding, privately owned company focused on the development and marketing of high quality, specialist generic medicines across the UK, Europe, ANZ…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Intertek Melbourn	Exact match	Cambridge, United KingdomHQ recorded Sep 17, 2026	201-500	99 contacts →
	Exact match “A leading provider of pharmaceutical analysis and formulation support with 30+ years of experience in inhaled product development and Good Manufacturing Practice (GMP) compliant…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Domainex	Exact match	Saffron Walden, United KingdomHQ recorded Sep 17, 2026	51-200	97 contacts →
	Exact match “Domainex is a fully integrated drug discovery service company based near Cambridge, UK serving pharmaceutical, biotechnology, academic and patient foundations globally.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	IPS Pharma	Exact match	West Molesey, United KingdomHQ recorded Sep 17, 2026	51-200	91 contacts →
	Exact match “IPS Pharma is an independent international pharmaceutical services company operating in three main areas: Unlicensed medicines (Unlicensed Imports and Specials), Clinical Trials…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Noumed Life Sciences Limited	Exact match	Maidenhead, United KingdomHQ recorded Sep 17, 2026	51-200	87 contacts →
	Exact match “Founded in 2013 and operationalized in 2016, Noumed Life Sciences is a generics pharmaceutical manufacturing company based out of the United Kingdom.” Recorded in the RevenueBase company graph · Sep 17, 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 “pharmaceutical development companies”. 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 400 pharmaceutical development companies based in the United Kingdom

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Pharmaceutical development companies based in the United Kingdom at a glance

As of Sep 17, 2026

28.0%Verified-email coverage

36.8Average contacts per company

11-50Median size (employees)

25.5%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

173

11-50

101

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 400 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 the United Kingdom whose business descriptions match “pharmaceutical development companies” 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 4,128 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 17, 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 “pharmaceutical development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many pharmaceutical development companies are there based in the United Kingdom?

RevenueBase identified 400 company matches for pharmaceutical development companies associated with the 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?

Bespak tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most pharmaceutical development companies?

London leads with 102 company records, followed by Cambridge (21) and Nottingham (8).

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 4,128 professional contacts with verified work emails tracked across these 400 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 17, 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.