Company lists · Data refreshed October 2026

Top 16 Large molecule manufacturers based in the United Kingdom

Name: Large molecule manufacturers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 17, 2026 71 companies tracked

RevenueBase identified 71 company matches for large molecule manufacturers associated with the United Kingdom as of October 2026 and tracks 6,415 professional contacts across them, including 4,111 with verified work emails. London is the largest hub.

This list covers company matches for large molecule manufacturers 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 October 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 Oct 17, 2026 How this list was built

71Companies

6,415Contacts tracked

4,111Verified emails

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The 16 largest large molecule manufacturers based in the United Kingdom

Ranked by team size

Top 16 of 71 company matches for large molecule manufacturers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 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	Almac Group	Exact match	Craigavon, United KingdomHQ recorded Oct 17, 2026	5,001-10,000	4,686 contacts →
	Exact match “Partnering to Advance Human Health A unique culture delivering exceptional solutions: Almac is a financially secure, privately owned organisation with 7,800+ employees globally.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
2	Bristol Myers Squibb UK & Ireland	Exact match	London, United KingdomHQ recorded Oct 17, 2026	1,001-5,000	324 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 · Oct 17, 2026 · View company records in RevenueBase
3	Arcinova	Exact match	Alnwick, United KingdomHQ recorded Oct 17, 2026	51-200	121 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 · Oct 17, 2026 · View company records in RevenueBase
4	Upperton Pharma Solutions	Exact match	Beeston, United KingdomHQ recorded Oct 17, 2026	51-200	109 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 · Oct 17, 2026 · View company records in RevenueBase
5	Porton Biopharma LTD	Exact match	Salisbury, United KingdomHQ recorded Oct 17, 2026	51-200	109 contacts →
	Exact match “Porton Biopharma Limited (PBL) is a UK based company experienced in developing and manufacturing biopharmaceutical therapeutics and vaccines.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
6	TMC Pharma Services LTD	Exact match	Hartley Wintney, United KingdomHQ recorded Oct 17, 2026	501-1,000	88 contacts →
	Exact match “TMC is a global pharma services company, partnering with small to mid-sized biotech and pharma companies to accelerate drug development timelines and maximise value across the…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
7	Advent Bioservices	Exact match	Sawston, United KingdomHQ recorded Oct 17, 2026	51-200	85 contacts →
	Exact match “Advent Bioservices began activity as a cell therapy contract development & manufacturing organisation (CDMO) in 2016.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
8	Biopharma Group	Exact match	Winchester, United KingdomHQ recorded Oct 17, 2026	51-200	64 contacts →
	Exact match “Biopharma Group has dedicated divisions covering the UK, France, Ireland, and USA.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
9	Seacross Pharmaceuticals LTD	Exact match	London, United KingdomHQ recorded Oct 17, 2026	1,001-5,000	30 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
10	Safedale Limited	Exact match	Enfield, United KingdomHQ recorded Oct 17, 2026	201-500	27 contacts →
	Exact match “SAFEDALE LIMITED is a pharmaceuticals company.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
11	AB Biotechnology Limited	Exact match	London, United KingdomHQ recorded Oct 17, 2026	11-50	15 contacts →
	Exact match “AB BIOTECHNOLOGY LIMITED is a biotechnology company based out of Pentlands Science Park, Bush Loan, Penicuik, Midlothian, EH26 0PZ” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
12	Sciom Limited	Exact match	Welwyn Garden City, United KingdomHQ recorded Oct 17, 2026	11-50	14 contacts →
	Exact match “Sciom UK is a specialist pharmaceutical services partner providing integrated pharmacovigilance, regulatory, analytical, and quality solutions to life sciences organisations…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
13	Cambridge Pharma	Exact match	Cambridge, United KingdomHQ recorded Oct 17, 2026	51-200	12 contacts →
	Exact match “Our Fast, flexible, sterile fill-finish service is specifically designed to meet the needs of clinical trials.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
14	Bioarchitech LTD	Exact match	Oxford, United KingdomHQ recorded Oct 17, 2026	1-10	5 contacts →
	Exact match “Bioarchitech Ltd a biotechnology company based out of the Wood Centre for Innovation in Oxford.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
15	ST George Street Capital	Exact match	Harpenden, United KingdomHQ recorded Oct 17, 2026	1-10	1 contacts →
	Exact match “ST GEORGE STREET CAPITAL is a biotechnology company based out of BATES WELLS BRAITHWAITE 10 QUEEN STREET PLACE, LONDON, United Kingdom.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase
16	Ruit Consultancy Limited	Exact match	London, United KingdomHQ recorded Oct 17, 2026	1-10	1 contacts →
	Exact match “Biotechnology Consultancy” Recorded in the RevenueBase company graph · Oct 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 “large molecule manufacturers”. 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 16 of 71 large molecule manufacturers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 4,111 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Large molecule manufacturers based in the United Kingdom at a glance

As of Oct 17, 2026

64.1%Verified-email coverage

90.4Average contacts per company

11-50Median size (employees)

25.4%Largest-city concentration · London

Oct 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

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 71 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 “large molecule manufacturers” 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 4,111 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 October 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 “large molecule manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many large molecule manufacturers are there based in the United Kingdom?

RevenueBase identified 71 company matches for large molecule manufacturers associated with the United Kingdom as of October 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?

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

Which city has the most large molecule manufacturers?

London leads with 18 company records, followed by Cambridge (3) and Leeds (2).

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 4,111 professional contacts with verified work emails tracked across these 71 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 October 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.