Company lists · Data refreshed November 2026

Top 16 Api testing laboratories based in the United Kingdom

RevenueBase identified 33 company matches for api testing laboratories associated with the United Kingdom as of November 2026 and tracks 606 professional contacts across them, including 209 with verified work emails. Nottingham is the largest hub.

This list covers company matches for api testing laboratories 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 November 6, 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 Nov 6, 2026 How this list was built
33Companies
606Contacts tracked
209Verified emails
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The 16 largest api testing laboratories based in the United Kingdom

Ranked by team size
Top 16 of 33 company matches for api testing laboratories based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchCambridge, United KingdomHQ recorded Nov 6, 2026201-500108 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchTeddington, United KingdomHQ recorded Nov 6, 202651-20073 contacts →

Exact match

“Excellence in Analytical Chemistry Since 1974 With 50 years of experience, Butterworth Laboratories remains a fully independent UK contract analytical service that provides…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWokingham, United KingdomHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“CEMAS is an independent analytical laboratory with over 35 years’ experience supporting the agrochemical, biocide and life science sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBristol, United KingdomHQ recorded Nov 6, 202611-5065 contacts →

Exact match

“One Scientific - A Tentamus Company is an independent food and water testing laboratory, UKAS accredited (No.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLinlithgow, United KingdomHQ recorded Nov 6, 202651-20027 contacts →

Exact match

“Providing meticulous scientific testing services and support to the Food, Leisure, Agriculture, and Pharmaceutical industries for over a decade.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchEast Dagenham, United KingdomHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Aspire Labs is a privately held contract analytical and microbiology testing lab in London.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCallington, United KingdomHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“JC Analytical provides contract analytical laboratory services according to cGMP quality standards for Active Pharmaceutical Ingredients (APIs), bulk drugs, intermediates…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDartford, United KingdomHQ recorded Nov 6, 202611-508 contacts →

Exact match

“David Norris Analytical Laboratories Limited is a privately owned independent Company established in 2005.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHull, United KingdomHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Marfleet Analytical Services Ltd are an independent, analytical laboratory specialising in the analysis and evaluation of materials and products for a wide range of industrial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWellingborough, United KingdomHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Established in 1983, M.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchDerby, United KingdomHQ recorded Nov 6, 20261-106 contacts →

Exact match

“ResChem Analytical is a responsive, client focused analytical laboratory.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNewmarket, United KingdomHQ recorded Nov 6, 202611-505 contacts →

Exact match

“H2O Scientific are an independent specialist analytical provider offering comprehensive microbiological & chemical testing services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLytham, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“The International Centre for Nutritional Excellence Limited (ICNE) is an independent laboratory specialising in supplement and pharmaceutical analysis for the Human, Veterinary…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNewry, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Mourne Training Services Limited (MTS) is an independent consultancy specialising in chemical analysis of pharmaceuticals and biopharmaceuticals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBicester, United KingdomHQ recorded Nov 6, 202611-501 contacts →

Exact match

“Richard Paul Rendle was appointed as the Administrator on 26 March 2025.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchDalton, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Nutritional Testing of Animal Feed and Food, using Analytical Chemistry Techniques.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 16 of 33 api testing laboratories based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 209 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Api testing laboratories based in the United Kingdom at a glance

As of Nov 6, 2026
34.5%Verified-email coverage
18.4Average contacts per company
11-50Median size (employees)
9.1%Largest-city concentration · Nottingham
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
11
11-50
15
51-200
5
201-500
1

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 33 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 “api testing laboratories” 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 209 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 November 6, 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 “api testing laboratories”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many api testing laboratories are there based in the United Kingdom?

RevenueBase identified 33 company matches for api testing laboratories associated with the United Kingdom as of November 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?

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

Which city has the most api testing laboratories?

Nottingham leads with 3 company records, followed by Bicester (2) and Derby (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 209 professional contacts with verified work emails tracked across these 33 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 November 6, 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.