Company lists · Data refreshed September 2026

Top 22 Pharmaceutical intermediate suppliers based in the United Kingdom

Name: Pharmaceutical intermediate suppliers 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 61 companies tracked

RevenueBase identified 61 pharmaceutical intermediate suppliers headquartered in the United Kingdom as of September 2026 and tracks 711 professional contacts across them, including 221 with verified work emails. London is the largest hub.

This list covers pharmaceutical intermediate suppliers headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

61Companies

711Contacts tracked

221Verified emails

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The 22 largest pharmaceutical intermediate suppliers based in the United Kingdom

Ranked by team size

Top 22 of 61 pharmaceutical intermediate suppliers based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to pharmaceutical intermediate suppliers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Apollo Scientific LTD	Indirect evidence	Denton, United KingdomHQ checked Sep 17, 2026	51-200	47 contacts →
	Indirect evidence “We’re specialists in the manufacture and supply of aromatic, heterocyclic and aliphatic compounds, fluorochemicals and life sciences reagents, offering unrivalled service and…” Source: RevenueBase Database · checked Sep 17, 2026
2	Molekula Group	Indirect evidence	Darlington, United KingdomHQ checked Sep 17, 2026	51-200	44 contacts →
	Indirect evidence “Molekula is a manufacturer and distributor of Fine Chemicals and Biochemicals in Bulk and Research quantities Founded in in France and the UK to initially support the Chemical…” Source: RevenueBase Database · checked Sep 17, 2026
3	High Force Research LTD	Indirect evidence	Durham, United KingdomHQ checked Sep 17, 2026	11-50	36 contacts →
	Indirect evidence “High Force Research specialise in chemical synthesis and R&D and offer chemistry built on many years of experience in development and scale-up of complex syntheses of molecules…” Source: RevenueBase Database · checked Sep 17, 2026
4	Endeavour Speciality Chemicals LTD	Partial evidence	Daventry, United KingdomHQ checked Sep 17, 2026	11-50	34 contacts →
	Partial evidence “Endeavour Speciality Chemicals is an innovative UK-based manufacturer of speciality organic intermediates and together with our parent company Robinson Brothers we offer products…” Source: RevenueBase Database · checked Sep 17, 2026
5	Fluorochem LTD	Strong evidence	Hadfield, United KingdomHQ checked Sep 17, 2026	51-200	30 contacts →
	Strong evidence “Fluorochem is a leading supplier in the chemical industry, with nearly 60 years of experience supporting scientists in chemistry, pharmaceuticals and medicinal chemistry, and…” Source: RevenueBase Database · checked Sep 17, 2026
6	Apex Molecular LTD	Partial evidence	Alderley Edge, United KingdomHQ checked Sep 17, 2026	11-50	27 contacts →
	Partial evidence “Apex Molecular is a leading UK based Chemistry Services Contract Research Organisation based at Alderley Park, providing specialist chemistry services to the pharmaceutical…” Source: RevenueBase Database · checked Sep 17, 2026
7	Universal Pharma LTD	Strong evidence	High Wycombe, United KingdomHQ checked Sep 17, 2026	11-50	27 contacts →
	Strong evidence “Experts in Active Pharmaceutical Ingredients(APIs), Intermediates and other difficult to source Pharmaceutical ingredients- Cover APIs requirements from Development, Scale-Up and…” Source: RevenueBase Database · checked Sep 17, 2026
8	Whyte Chemicals LTD	Indirect evidence	Finchley, United KingdomHQ checked Sep 17, 2026	51-200	25 contacts →
	Indirect evidence “Whyte Chemicals is a privately owned company established in 1976 with a turnover in the region of 60 million.” Source: RevenueBase Database · checked Sep 17, 2026
9	Glentham Life Sciences LTD	Partial evidence	Corsham, United KingdomHQ checked Sep 17, 2026	11-50	21 contacts →
	Partial evidence “Glentham Life Sciences is a UK-headquartered supplier of fine chemicals, biochemicals and raw materials.” Source: RevenueBase Database · checked Sep 17, 2026
10	Colour Synthesis Solutions	Indirect evidence	Manchester, United KingdomHQ checked Sep 17, 2026	11-50	21 contacts →
	Indirect evidence “Colour Synthesis Solutions (CSS) is a leading provider of fine chemicals and chemistry research and development services.” Source: RevenueBase Database · checked Sep 17, 2026
11	Drugsrus LTD	Partial evidence	Harrow, United KingdomHQ checked Sep 17, 2026	11-50	19 contacts →
	Partial evidence “Drugsrus Ltd focuses on the wholesale of pharmaceutical products.” Source: RevenueBase Database · checked Sep 17, 2026
12	Witton Chemical Company LTD	Indirect evidence	Bury St. Edmunds, United KingdomHQ checked Sep 17, 2026	11-50	18 contacts →
	Indirect evidence “Witton Chemical Company specialises in the manufacture of fine chemicals and polymers, including product isolation and drying from flammable solvents, a variety of exothermic…” Source: RevenueBase Database · checked Sep 17, 2026
13	MSN Laboratories Europe Limited	Indirect evidence	Hitchin, United KingdomHQ checked Sep 17, 2026	1-10	13 contacts →
	Indirect evidence “MSN LABORATORIES EUROPE LIMITED is a company based out of INVISION HOUSE WILBURY WAY, HITCHIN, United Kingdom.” Source: RevenueBase Database · checked Sep 17, 2026
14	Active Pharma Supplies Limited	Indirect evidence	Leyland, United KingdomHQ checked Sep 17, 2026	11-50	11 contacts →
	Indirect evidence “All the starting materials you require – rapidly.” Source: RevenueBase Database · checked Sep 17, 2026
15	Syntor Fine Chemicals LTD NOW Actylis	Indirect evidence	Runcorn, United KingdomHQ checked Sep 17, 2026	11-50	11 contacts →
	Indirect evidence “Actylis was created from the merger of eight experienced specialty manufacturing companies and three sourcing firms, integrated into a single entity.” Source: RevenueBase Database · checked Sep 17, 2026
16	Unifect LTD	Strong evidence	Fernhurst, United KingdomHQ checked Sep 17, 2026	11-50	8 contacts →
	Strong evidence “Unifect Ltd offers a comprehensive range of uniquely effective ingredients to the cosmetic and pharmaceutical industries sourced from some of the foremost suppliers” Source: RevenueBase Database · checked Sep 17, 2026
17	Ubichem	Partial evidence	Redditch, United KingdomHQ checked Sep 17, 2026	11-50	6 contacts →
	Partial evidence “Ubichem partners with Pharmaceutical Innovators who trust Ubichem to provide ultimate customer value through technical, product and regulatory solutions.” Source: RevenueBase Database · checked Sep 17, 2026
18	Prosynth LTD	Indirect evidence	Sudbury, United KingdomHQ checked Sep 17, 2026	11-50	5 contacts →
	Indirect evidence “ProSynth is a UK based world renowned Custom Research Organisation (CRO) providing confidential, highly specialized, mission critical chemistry and route to molecule services.” Source: RevenueBase Database · checked Sep 17, 2026
19	Wessex Fine Chemicals Limited	Indirect evidence	Ashford, United KingdomHQ checked Sep 17, 2026	1-10	3 contacts →
	Indirect evidence “Wessex Fine Chemicals has been sourcing and supplying active substances to medicine manufacturers since its incorporation in 1994.” Source: RevenueBase Database · checked Sep 17, 2026
20	Fine & Performance Chemicals Limited	Partial evidence	Yarm, United KingdomHQ checked Sep 17, 2026	11-50	2 contacts →
	Partial evidence “FPC has for over 25 years produced high quality fine chemicals for customers within the pharmaceutical, agrochemical and specialty chemical industries and works closely with its…” Source: RevenueBase Database · checked Sep 17, 2026
21	Chemys Limited	Strong evidence	Ilford, United KingdomHQ checked Sep 17, 2026	1-10	2 contacts →
	Strong evidence “CHEMYS LIMITED is a one of the UK's leading pharmaceutical suppliers of imported of unlicensed medicines.” Source: RevenueBase Database · checked Sep 17, 2026
22	Pharmasci Consulting Limited	Partial evidence	Nottingham, United KingdomHQ checked Sep 17, 2026	1-10	1 contacts →
	Partial evidence “PHARMACEUTICAL SCIENCES CONSULTANCY AND OUTSOURCED MANUFACTURING OPERATIONS MANAGEMENT PharmaSci Consulting Limited supports global pharmaceutical and healthcare markets in the…” Source: RevenueBase Database · checked Sep 17, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: pharmaceutical intermediate suppliers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names pharmaceutical intermediate suppliers.
Partial evidence: Its own public description names part of pharmaceutical intermediate suppliers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name pharmaceutical intermediate suppliers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 22 of 61 pharmaceutical intermediate suppliers based in the United Kingdom

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Pharmaceutical intermediate suppliers based in the United Kingdom at a glance

As of Sep 17, 2026

31.1%Verified-email coverage

11.7Average contacts per company

11-50Median size (employees)

21.3%Largest-city concentration · London

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

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 61 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among pharmaceutical intermediate suppliers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United Kingdom whose own description of what they do matches “pharmaceutical intermediate suppliers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names pharmaceutical intermediate suppliers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among pharmaceutical intermediate suppliers, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 221 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names pharmaceutical intermediate suppliers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many pharmaceutical intermediate suppliers are there based in the United Kingdom?

RevenueBase identified 61 pharmaceutical intermediate suppliers headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Apollo Scientific LTD, headquartered in Denton, tops this list with the largest team on record.

Which city has the most pharmaceutical intermediate suppliers?

London leads with 13 headquartered companies, followed by High Wycombe (3) and Kingston Upon Thames (2).

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 221 verified decision-maker contacts tracked across these 61 companies.

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 Smart Search, 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.