Company lists · Data refreshed October 2026

Top 25 Iso personnel certification services worldwide

Name: Iso personnel certification services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 27, 2026 8,859 companies tracked

RevenueBase identified 8,859 company matches for iso personnel certification services worldwide as of October 2026 and tracks 335,178 professional contacts across them, including 85,716 with verified work emails. India is the largest market and Istanbul the largest hub.

This list covers company matches for iso personnel certification services worldwide, 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. Country and city lists for iso personnel certification services follow the table.

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

8,859Companies

335,178Contacts tracked

85,716Verified emails

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The 25 largest iso personnel certification services worldwide

Ranked by team size

Top 25 of 8,859 company matches for iso personnel certification services worldwide, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SGS	Exact match	Baar, SwitzerlandHQ recorded Oct 27, 2026	10001+	63,840 contacts →
	Exact match “SGS is the world’s leading Testing, Inspection and Certification company.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
2	Bureau Veritas	Exact match	Paris, United KingdomHQ recorded Oct 27, 2026	10001+	48,617 contacts →
	Exact match “Bureau Veritas is a world leader in Testing, Inspection and Certification.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
3	Intertek	Exact match	London, United KingdomHQ recorded Oct 27, 2026	10001+	24,130 contacts →
	Exact match “Intertek is a leading Total Quality Assurance provider to industries worldwide.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
4	DNV	Exact match	Høvik, NorwayHQ recorded Oct 27, 2026	10001+	16,429 contacts →
	Exact match “DNV is the independent expert in risk management and assurance, operating in more than 100 countries.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
5	TÜV SÜD	Exact match	Munich, GermanyHQ recorded Oct 27, 2026	10001+	13,757 contacts →
	Exact match “TÜV SÜD is the trusted partner of choice for safety, security and sustainability solutions.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
6	UL Solutions	Exact match	Northbrook, IL, United StatesHQ recorded Oct 27, 2026	10001+	12,880 contacts →
	Exact match “A global leader in applied safety science, UL Solutions (NYSE: ULS) transforms safety, security and sustainability challenges into opportunities for customers in more than 110…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
7	TÜV Rheinland Group	Exact match	Cologne, GermanyHQ recorded Oct 27, 2026	10001+	8,316 contacts →
	Exact match “Neutral, independent third party For more than 150 years, TÜV Rheinland has stood for ensuring quality, safety, and efficiency in conjunction with people, the environment, and…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
8	Socotec	Exact match	Guyancourt, FranceHQ recorded Oct 27, 2026	10001+	6,034 contacts →
	Exact match “SOCOTEC ranks in the Top 10 Best Workplaces® 2025 (category:>2500 employees) and is once again certified Great Place to Work® in 2025, across 18 countries!” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
9	DEKRA	Exact match	Stuttgart, GermanyHQ recorded Oct 27, 2026	10001+	5,782 contacts →
	Exact match “For more than 100 years, DEKRA has been a trusted name in safety.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
10	Element Materials Technology	Exact match	London, United KingdomHQ recorded Oct 27, 2026	5,001-10,000	4,423 contacts →
	Exact match “The Element Materials Technology Group is one of the world’s leading global providers of testing, inspection, and certification services for a diverse range of products…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
11	Formel D Group	Exact match	Cologne, GermanyHQ recorded Oct 27, 2026	10001+	2,943 contacts →
	Exact match “Formel D is a global service provider for testing, inspection & certification.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
12	OCA Global	Exact match	Sant Cugat Del Valles, SpainHQ recorded Oct 27, 2026	1,001-5,000	2,931 contacts →
	Exact match “OCA Global is a private business group –with headquarters in Spain–, dedicated to inspection, quality control, certification, testing, consulting, and training activities.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
13	Cotecna	Exact match	Plainpalais, SwitzerlandHQ recorded Oct 27, 2026	5,001-10,000	2,393 contacts →
	Exact match “Cotecna is a leading provider of testing, inspection and certification services.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
14	Prometric	Exact match	White Marsh, MD, United StatesHQ recorded Oct 27, 2026	1,001-5,000	2,215 contacts →
	Exact match “Prometric is a global leader in credentialing and skills development.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
15	Applus Europe	Exact match	Madrid, SpainHQ recorded Oct 27, 2026	1,001-5,000	1,687 contacts →
	Exact match “Applus+ is a worldwide leader in the testing, inspection, and certification sector.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
16	DQS	Exact match	Frankfurt, GermanyHQ recorded Oct 27, 2026	1,001-5,000	1,382 contacts →
	Exact match “DQS – Leveraging Quality, Driving Success.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
17	Vinçotte	Exact match	Vilvoorde, BelgiumHQ recorded Oct 27, 2026	1,001-5,000	1,259 contacts →
	Exact match “Vinçotte (a Kiwa company since May 2022) offers objective and advisory services in inspection, certification, conformity assessment and training.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
18	CSA Group	Exact match	Toronto, ON, CanadaHQ recorded Oct 27, 2026	1,001-5,000	1,215 contacts →
	Exact match “At CSA Group, we excel in addressing emerging, complex issues and technologies.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
19	Heart Trust National Training Agency	Exact match	JamaicaHQ recorded Oct 27, 2026	1,001-5,000	1,083 contacts →
	Exact match “A Jamaican workforce trained and certified to international standards stimulating employment-creating investment, contributing to improved productivity of individuals, enterprises…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
20	Afnor Group	Exact match	La Plaine Saint-denis Cedex, FranceHQ recorded Oct 27, 2026	1,001-5,000	1,056 contacts →
	Exact match “AFNOR is an international group organised around four areas of expertise: standardisation, certification, publishing and training.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
21	AENOR	Exact match	Madrid, SpainHQ recorded Oct 27, 2026	501-1,000	978 contacts →
	Exact match “AENOR is a global company, that identifies and helps organizations to overcome relevant competitiveness gaps.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
22	UTAC	Exact match	Linas, FranceHQ recorded Oct 27, 2026	1,001-5,000	963 contacts →
	Exact match “Since 1924, UTAC has been at the forefront of the mobility industry, advancing it towards a safer and cleaner future.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
23	Icontec	Exact match	Bogotá, ColombiaHQ recorded Oct 27, 2026	201-500	923 contacts →
	Exact match “Somos una organización con amplia cobertura internacional sin ánimo de lucro, creado en 1963, con el objetivo de responder a las necesidades de los diferentes sectores económicos…” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
24	Peoplecert	Exact match	Athens, GreeceHQ recorded Oct 27, 2026	1,001-5,000	850 contacts →
	Exact match “PeopleCert enables people and organisations turn ambition into action.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase
25	British Engineering Services Group	Exact match	Warrington, United KingdomHQ recorded Oct 27, 2026	1,001-5,000	775 contacts →
	Exact match “Testing, inspection, certification and compliance is our core business so that’s what gets 100% of our focus.” Recorded in the RevenueBase company graph · Oct 27, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “iso personnel certification services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 8,859 iso personnel certification services worldwide

See the full list, filter by size, metro and specialty, and access 85,716 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Iso personnel certification services worldwide at a glance

As of Oct 27, 2026

25.6%Verified-email coverage

37.8Average contacts per company

1-10Median size (employees)

1.3%Largest-city concentration · Istanbul

Oct 27, 2026Page data refreshed

Companies by employee count

1-10

4,757

11-50

2,720

51-200

830

201-500

285

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for iso personnel certification services are linked below.
What qualifies: Company records worldwide whose business descriptions match “iso personnel 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. 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 85,716 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 personnel certification services by location

45 lists · largest first

Every Iso personnel certification services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 personnel certification services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many iso personnel certification services are there worldwide?

RevenueBase identified 8,859 company matches for iso personnel certification services worldwide 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?

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

Which country has the most iso personnel certification services?

India leads with 728 companies, followed by the United Kingdom (469) and the United States (444). Every iso personnel certification services list by country and city is linked on this page.

Which city has the most iso personnel certification services?

Istanbul leads with 112 company records, followed by Lima (87) and London (86).

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 85,716 professional contacts with verified work emails tracked across these 8,859 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.