Company lists · Data refreshed October 2026

Top 25 Iso 9000 certification services based in the United Kingdom

RevenueBase identified 357 company matches for iso 9000 certification services associated with the United Kingdom as of October 2026 and tracks 3,292 professional contacts across them, including 1,267 with verified work emails. London is the largest hub.

This list covers company matches for iso 9000 certification services 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 27, 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 27, 2026 How this list was built
357Companies
3,292Contacts tracked
1,267Verified emails
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The 25 largest iso 9000 certification services based in the United Kingdom

Ranked by team size
Top 25 of 357 company matches for iso 9000 certification services based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 27, 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 matchStaines-upon-thames, United KingdomHQ recorded Oct 27, 2026201-500458 contacts →

Exact match

“UKAS is the world’s leading #accreditation body delivering confidence in products and services, and supporting global value chains.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
2Exact matchDunstable, United KingdomHQ recorded Oct 27, 2026501-1,000276 contacts →

Exact match

“NQA is a leading global certification body, respected for providing flexible and supportive certification and training services that are technically advanced and meet the needs of…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
3Exact matchWest Malling, United KingdomHQ recorded Oct 27, 2026201-500148 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 · Oct 27, 2026 · View company records in RevenueBase
4Exact matchManchester, United KingdomHQ recorded Oct 27, 202651-200142 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 · Oct 27, 2026 · View company records in RevenueBase
5Exact matchNorwich, United KingdomHQ recorded Oct 27, 202651-200118 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
6Exact matchGlasgow, United KingdomHQ recorded Oct 27, 202651-20054 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
7Exact matchWitham, United KingdomHQ recorded Oct 27, 202651-20037 contacts →

Exact match

“XDS Solutions is an ISO 17065 SASO-notified certification body, with a wide technical scope covering Europe, Middle East, Africa, and Asia.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
8Exact matchWorcester, United KingdomHQ recorded Oct 27, 202611-5034 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 · Oct 27, 2026 · View company records in RevenueBase
9Exact matchRotherham, United KingdomHQ recorded Oct 27, 202611-5031 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 · Oct 27, 2026 · View company records in RevenueBase
10Exact matchHarpenden, United KingdomHQ recorded Oct 27, 20261-1022 contacts →

Exact match

“Launched in 2010, ADISA is a UKAS accredited certification body operating including certification to a Standard 8.0 which is a UK GDPR Certification Scheme formally recognised by…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
11Exact matchPriorslee, United KingdomHQ recorded Oct 27, 202611-5021 contacts →

Exact match

“We are proudly the only employee-owned UKAS-accredited certification and verification body in the UK.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
12Exact matchMerthyr Tydfil, United KingdomHQ recorded Oct 27, 20261-1021 contacts →

Exact match

“TPT is a leading provider of training and consultancy, serving customers around the world.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Oct 27, 202611-5019 contacts →

Exact match

“Premier Advisory Group is certified to ISO Standard 9001:2015 for the provision of management consultancy, our core objective has always been to drive and support continual…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
14Exact matchManchester, United KingdomHQ recorded Oct 27, 202651-20019 contacts →

Exact match

“Business Excellence & Management Consortium (BEMCON) is a professional training, consulting, and auditing organization specializing in ISO standards, occupational health & safety…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
15Exact matchDarlington, United KingdomHQ recorded Oct 27, 202611-5019 contacts →

Exact match

“QA International Certification Limited is an accredited certification body issuing internationally recognised accredited certificates to companies across a wide range of…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
16Exact matchSouthwark, United KingdomHQ recorded Oct 27, 202611-5018 contacts →

Exact match

“AvISO Consultancy helps organisations build management systems that genuinely work in practice.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
17Exact matchJarrow, United KingdomHQ recorded Oct 27, 20261-1018 contacts →

Exact match

“The certification body of choice for the built environment.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
18Exact matchYork, United KingdomHQ recorded Oct 27, 202611-5018 contacts →

Exact match

“Eurofins York has over 25 years’ experience delivering global regulatory compliance, CE marking solutions and certification.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Oct 27, 202651-20017 contacts →

Exact match

“CFE Certification, IAS (International Accreditation Service) ve UKAS (United Kingdom Accreditation Service) tarafından akredite edilmiş uluslararası bir belgelendirme kuruluşudur…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
20Exact matchMalvern, United KingdomHQ recorded Oct 27, 202611-5016 contacts →

Exact match

“CQS (Certified Quality Systems) Ltd delivers straightforward, practical ISO certification with over 25 years of experience.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Oct 27, 202611-5015 contacts →

Exact match

“ISO Standards can help you improve efficiency, reduce costs and increase tender opportunities.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
22Exact matchEsher, United KingdomHQ recorded Oct 27, 202611-5015 contacts →

Exact match

“Our goal is to help organisations run more effective management systems, improve the quality of their products and services, and support them in achieving their own goals.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
23Exact matchMaidstone, United KingdomHQ recorded Oct 27, 20261-1013 contacts →

Exact match

“We support a wide range of manufacturing, technology, service and construction businesses in the implementation of UKAS accredited ISO Management System Standards.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
24Exact matchCumbernauld, United KingdomHQ recorded Oct 27, 20261-1013 contacts →

Exact match

“QCS International are experts in ISO certification from management system implementation to auditor training.”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
25Exact matchHolywood, United KingdomHQ recorded Oct 27, 202611-5012 contacts →

Exact match

“Quadra is a management systems consultancy and training organisation specialising in implementing management systems to international standards to include: Quality (ISO…”

Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase

Showing 25 of 357 iso 9000 certification services based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,267 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Iso 9000 certification services based in the United Kingdom at a glance

As of Oct 27, 2026
38.5%Verified-email coverage
9.2Average contacts per company
1-10Median size (employees)
13.7%Largest-city concentration · London
Oct 27, 2026Page data refreshed

Companies by employee count

1-10
256
11-50
61
51-200
22
201-500
8
501-1,000
5
1,001-5,000
1
10001+
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 357 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 9000 certification services” 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 1,267 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 27, 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 9000 certification services 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 9000 certification services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many iso 9000 certification services are there based in the United Kingdom?

RevenueBase identified 357 company matches for iso 9000 certification services 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?

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

Which city has the most iso 9000 certification services?

London leads with 49 company records, followed by Manchester (11) and Birmingham (7).

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 1,267 professional contacts with verified work emails tracked across these 357 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 27, 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.