Company lists · Data refreshed September 2026

Top 25 Toxicology laboratories based in the United Kingdom

Name: Toxicology laboratories based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 115 companies tracked

RevenueBase identified 115 toxicology laboratories headquartered in the United Kingdom as of September 2026 and tracks 2,717 professional contacts across them, including 910 with verified work emails. London is the largest hub.

This list covers toxicology laboratories 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 22, 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 22, 2026 86% judged on-target in blind review

115Companies

2,717Contacts tracked

910Verified emails

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The 25 largest toxicology laboratories based in the United Kingdom

Ranked by team size

Top 25 of 115 toxicology laboratories based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to toxicology laboratories: 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	Eurofins Forensic Services	Indirect evidence	Feltham, United KingdomHQ checked Sep 22, 2026	1,001-5,000	394 contacts →
	Indirect evidence “Eurofins Forensic Services (formerly LGC Forensics) is the market leader in the provision of forensic services to the England and Wales Criminal Justice System and to criminal…” Source: RevenueBase Database · checked Sep 22, 2026
2	Synlab UK & Ireland	Indirect evidence	London, United KingdomHQ checked Sep 22, 2026	1,001-5,000	236 contacts →
	Indirect evidence “At SYNLAB, we provide laboratory, diagnostic and advisory services to a diverse range of sectors, from healthcare, wellness and veterinary, to food, family law and transport.” Source: RevenueBase Database · checked Sep 22, 2026
3	Normec I2 Analytical	Indirect evidence	Hertfordshire, United KingdomHQ checked Sep 22, 2026	201-500	218 contacts →
	Indirect evidence “Founded in 2003, Normec i2 Analytical is one of Europe's leading environmental testing companies providing its customers a comprehensive range of analytical, monitoring and…” Source: RevenueBase Database · checked Sep 22, 2026
4	Cyprotex	Indirect evidence	Macclesfield, United KingdomHQ checked Sep 22, 2026	51-200	192 contacts →
	Indirect evidence “Founded in Cyprotex has grown to become an industry leader in in vitro and in silico ADME-Tox.” Source: RevenueBase Database · checked Sep 22, 2026
5	Yordas Group	Indirect evidence	Lancaster, United KingdomHQ checked Sep 22, 2026	51-200	112 contacts →
	Indirect evidence “In 2026, Yordas Group was acquired by 3E, the leading global provider of expert-led AI compliance solutions for chemical and workplace safety, product stewardship, and sustainable…” Source: RevenueBase Database · checked Sep 22, 2026
6	Alphabiolabs	Indirect evidence	Warrington, United KingdomHQ checked Sep 22, 2026	51-200	96 contacts →
	Indirect evidence “At AlphaBiolabs, we help family law professionals, social workers and local authorities obtain the reliable, court-approved evidence they need to make critical safeguarding…” Source: RevenueBase Database · checked Sep 22, 2026
7	Lextox	Indirect evidence	Cardiff, United KingdomHQ checked Sep 22, 2026	51-200	79 contacts →
	Indirect evidence “At Lextox, we provide drug, alcohol and DNA testing services for family law cases and child care proceedings.” Source: RevenueBase Database · checked Sep 22, 2026
8	Normec Latis Scientific	Indirect evidence	Crayford, United KingdomHQ checked Sep 22, 2026	51-200	72 contacts →
	Indirect evidence “Normec Latis Scientific is a market leading provider of laboratory services for a wide range of industries.” Source: RevenueBase Database · checked Sep 22, 2026
9	Apconix	Partial evidence	Macclesfield, United KingdomHQ checked Sep 22, 2026	11-50	64 contacts →
	Partial evidence “ApconiX was formed by three AstraZeneca colleagues with the drive and ambition to create a world-renowned company known for its expertise in nonclinical safety toxicology and ion…” Source: RevenueBase Database · checked Sep 22, 2026
10	CEMAS	Indirect evidence	Wokingham, United KingdomHQ checked Sep 22, 2026	51-200	63 contacts →
	Indirect evidence “CEMAS is an independent analytical laboratory with over 35 years’ experience supporting the agrochemical, biocide and life science sectors.” Source: RevenueBase Database · checked Sep 22, 2026
11	Gentronix, Part Of Scantox Group	Partial evidence	Alderley Edge, United KingdomHQ checked Sep 22, 2026	51-200	54 contacts →
	Partial evidence “Gentronix was founded in as a specialist CRO delivering predictive toxicology products and services to global chemical sectors.” Source: RevenueBase Database · checked Sep 22, 2026
12	Scymaris	Indirect evidence	Brixham, United KingdomHQ checked Sep 22, 2026	51-200	52 contacts →
	Indirect evidence “Scymaris Ltd is headquartered in Brixham, Devon UK.” Source: RevenueBase Database · checked Sep 22, 2026
13	Chemtech Environmental Limited	Indirect evidence	Stanley, United KingdomHQ checked Sep 22, 2026	51-200	52 contacts →
	Indirect evidence “Established in 2002, Chemtech Environmental, part of Celnor Group, has grown to become a leading supplier of chemical testing throughout the UK and Ireland.” Source: RevenueBase Database · checked Sep 22, 2026
14	Cawood	Indirect evidence	Bracknell, United KingdomHQ checked Sep 22, 2026	501-1,000	51 contacts →
	Indirect evidence “Cawood is the UK’s leading independent scientific group, recognised for its technical capability and value-added service to customers.” Source: RevenueBase Database · checked Sep 22, 2026
15	Labcorp Limited	Indirect evidence	Princes Risborough, United KingdomHQ checked Sep 22, 2026	11-50	48 contacts →
	Indirect evidence “We believe in harnessing science for human good.” Source: RevenueBase Database · checked Sep 22, 2026
16	Randox Toxicology LTD	Partial evidence	County Antrim, United KingdomHQ checked Sep 22, 2026	51-200	46 contacts →
	Partial evidence “Delivering innovative solutions for fast and accurate drug detection, Randox Toxicology is a primary manufacturer of Biochip Array Technology, ELISA, reagents, automated systems…” Source: RevenueBase Database · checked Sep 22, 2026
17	DNA Legal	Indirect evidence	Frome, United KingdomHQ checked Sep 22, 2026	11-50	39 contacts →
	Indirect evidence “DNA Legal offer drug, alcohol, paternity, and forensic testing.” Source: RevenueBase Database · checked Sep 22, 2026
18	Randox Food Diagnostics	Indirect evidence	Crumlin, United KingdomHQ checked Sep 22, 2026	1,001-5,000	34 contacts →
	Indirect evidence “Globally Trusted Screening Solutions Randox Food Diagnostics offer excellent tools for screening for mycotoxins, antimicrobials, growth promoting hormones and drugs of abuse in…” Source: RevenueBase Database · checked Sep 22, 2026
19	Analytical Services International	Indirect evidence	London, United KingdomHQ checked Sep 22, 2026	11-50	31 contacts →
	Indirect evidence “For over 30 years, ASI has worked internationally with leading Clinical Research Organisations and across the pharmaceutical sector in drug discovery and pharmacovigilance…” Source: RevenueBase Database · checked Sep 22, 2026
20	Vitis Regulatory	Partial evidence	Canterbury, United KingdomHQ checked Sep 22, 2026	11-50	22 contacts →
	Partial evidence “Based in Kent, UK, Brussels, Belgium and Bockenem, Germany, Vitis Regualtory delivers expert environmental and toxicology consultancy on the assessment and management of the…” Source: RevenueBase Database · checked Sep 22, 2026
21	Cambridge Clinical Laboratories	Partial evidence	Cambridge, United KingdomHQ checked Sep 22, 2026	11-50	20 contacts →
	Partial evidence “Cambridge Clinical Laboratories started its journey in 2005.” Source: RevenueBase Database · checked Sep 22, 2026
22	Gradko International LTD	Indirect evidence	Winchester, United KingdomHQ checked Sep 22, 2026	11-50	19 contacts →
	Indirect evidence “Gradko International Ltd are market leaders in the supply and analysis of low cost air pollution monitoring equipment.” Source: RevenueBase Database · checked Sep 22, 2026
23	OEMA	Indirect evidence	Southampton, United KingdomHQ checked Sep 22, 2026	11-50	18 contacts →
	Indirect evidence “OEMAchem Ltd was set up to cover a unique gap in the market, to cover a one stop shop approach to all areas chemical and laboratory analysis.” Source: RevenueBase Database · checked Sep 22, 2026
24	Adna Services Anglia DNA Services	Indirect evidence	Norwich, United KingdomHQ checked Sep 22, 2026	51-200	18 contacts →
	Indirect evidence “Anglia DNA has become known for innovation and excellence in scientific services.” Source: RevenueBase Database · checked Sep 22, 2026
25	Crystal Health Group Limited	Indirect evidence	Manchester, United KingdomHQ checked Sep 22, 2026	51-200	15 contacts →
	Indirect evidence “Crystal Health is a leading provider of DNA Testing, Drug and Alcohol Testing, and occupational medical assessments in the UK.” Source: RevenueBase Database · checked Sep 22, 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: toxicology laboratories. 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 toxicology laboratories.
Partial evidence: Its own public description names part of toxicology laboratories, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name toxicology laboratories. 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 25 of 115 toxicology laboratories based in the United Kingdom

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Toxicology laboratories based in the United Kingdom at a glance

As of Sep 22, 2026

33.5%Verified-email coverage

23.6Average contacts per company

11-50Median size (employees)

9.6%Largest-city concentration · London

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 115 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 toxicology laboratories, 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 “toxicology laboratories”. 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 toxicology laboratories), 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 toxicology laboratories, 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, 910 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 22, 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 toxicology laboratories, 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 toxicology laboratories are there based in the United Kingdom?

RevenueBase identified 115 toxicology laboratories 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?

Eurofins Forensic Services, headquartered in Feltham, tops this list with the largest team on record.

Which city has the most toxicology laboratories?

London leads with 11 headquartered companies, followed by Manchester (8) and Cambridge (3).

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 910 verified decision-maker contacts tracked across these 115 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 22, 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.