Company lists · Data refreshed November 2026

Top 25 Iso training providers based in the United Kingdom

RevenueBase identified 709 company matches for iso training providers associated with the United Kingdom as of November 2026 and tracks 59,644 professional contacts across them, including 18,242 with verified work emails. London is the largest hub.

This list covers company matches for iso training providers 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
709Companies
59,644Contacts tracked
18,242Verified emails
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The 25 largest iso training providers based in the United Kingdom

Ranked by team size
Top 25 of 709 company matches for iso training providers 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 matchParis, United KingdomHQ recorded Nov 6, 202610001+50,489 contacts →

Exact match

“Bureau Veritas is a world leader in Testing, Inspection and Certification.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0001,819 contacts →

Exact match

“BPP is a leading global education business designed to optimise performance at every stage of learning – empowering people and businesses to progress and perform at their very…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBracknell, United KingdomHQ recorded Nov 6, 2026n/a1,717 contacts →

Exact match

“The Knowledge Academy is a global leader in providing high-quality training and certification courses across various domains.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLeicester, United KingdomHQ recorded Nov 6, 202651-200473 contacts →

Exact match

“The National Examination Board in Occupational Safety and Health (NEBOSH) is a leading global organisation, which provides health, safety and environmental qualifications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNorth Shields, United KingdomHQ recorded Nov 6, 202651-200333 contacts →

Exact match

“3t Training Services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchAberdeen, United KingdomHQ recorded Nov 6, 202651-200215 contacts →

Exact match

“OPITO is the global, not-for-profit, skills authority for safety-critical industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchWest Malling, United KingdomHQ recorded Nov 6, 2026201-500158 contacts →

Exact match

“Amtivo Group provides expert certification services for ISO standards, as well as training and related services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchManchester, United KingdomHQ recorded Nov 6, 202651-200141 contacts →

Exact match

“Our reputation for providing outstanding service explains why clients who joined us when we first opened our doors in 1993 are still with us today.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchManchester, United KingdomHQ recorded Nov 6, 20261,001-5,000131 contacts →

Exact match

“Training with HSS.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNorwich, United KingdomHQ recorded Nov 6, 202651-200120 contacts →

Exact match

“We believe in keeping ISO certification simple, so that's exactly what we do.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchYork, United KingdomHQ recorded Nov 6, 202651-20090 contacts →

Exact match

“Backed by the global strength of the Apave Group, PPL Training stands as a leading UK and International provider, specialising in Safe Systems of Work and Technical Compliance…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHarlow, United KingdomHQ recorded Nov 6, 202611-5079 contacts →

Exact match

“At Optima IT we have a wealth of professional training and consultancy experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchDerby, United KingdomHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“RelyOn Develop is the UK’s leading accredited provider of Compliance, Technical, and Safety training.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondon East, United KingdomHQ recorded Nov 6, 202651-20072 contacts →

Exact match

“Our vision is to deliver training that always gets results for you.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchHughenden, United KingdomHQ recorded Nov 6, 2026501-1,00062 contacts →

Exact match

“BM TRADA is proud to be part of Element, the market leader in Testing, Inspection, and Certification services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchTelford, United KingdomHQ recorded Nov 6, 202611-5058 contacts →

Exact match

“Improving standards.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5058 contacts →

Exact match

“Reed Learning is the home of workplace learning - our mission is to help individuals progress in their career and organisations of all sizes develop the full potential of their…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchGlasgow, United KingdomHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“International Associates (IA) is a leading provider of assessment, audit, verification, certification and training services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“LPTC is one of the fastest growing accredited Training and skills development Centre in the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,00049 contacts →

Exact match

“We’re an international service provider in the Testing, Inspection, Certification and Compliance (TICC) sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNewcastle Upon Tyne, United KingdomHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“Eliesha is an experienced training provider based in Newcastle upon Tyne.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchWorcester, United KingdomHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“ISO Quality Services Limited specialise in helping businesses improve through the implementation of ISO and BS EN Management Standards, ISO consultancy and ISO training, helping…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchManchester, United KingdomHQ recorded Nov 6, 202651-20035 contacts →

Exact match

“We've been helping businesses and individuals achieve their goals since 1984 We're a leading provider of professional training qualifications and work with industry specialists…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchEllesmere Port, United KingdomHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Eurofins E&E CML Limited (CML) is registered as a UK Approved Body (No 2503) and, through the Dutch Government, CML B.V.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchRotherham, United KingdomHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Clear Quality is a professional ISO Consultancy business and Prime Training provider based in South Yorkshire.”

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

Showing 25 of 709 iso training providers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 18,242 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Iso training providers based in the United Kingdom at a glance

As of Nov 6, 2026
30.6%Verified-email coverage
84.1Average contacts per company
1-10Median size (employees)
15.8%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
478
11-50
158
51-200
37
201-500
11
501-1,000
6
1,001-5,000
6
5,001-10,000
1
10001+
2

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 709 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 “iso training providers” 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 18,242 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.

Iso training providers by metro

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 “iso training providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many iso training providers are there based in the United Kingdom?

RevenueBase identified 709 company matches for iso training providers 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?

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

Which city has the most iso training providers?

London leads with 112 company records, followed by Manchester (20) and Aberdeen (13).

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 18,242 professional contacts with verified work emails tracked across these 709 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.

Ready to reach these companies? Verified emails and direct dials for all 709 iso training providers based in the United Kingdom. Start with a free account, no credit card.

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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.