Company lists · Data refreshed September 2026

Top 25 Quality management system companies worldwide

Name: Quality management system companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 6,894 companies tracked

RevenueBase identified 6,894 quality management system companies worldwide as of September 2026 and tracks 210,617 professional contacts across them, including 51,731 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers quality management system companies worldwide, 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 21, 2026. Country and city lists for quality management system companies follow the table.

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 21, 2026 86% judged on-target in blind review

6,894Companies

210,617Contacts tracked

51,731Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest quality management system companies worldwide

Ranked by team size

Top 25 of 6,894 quality management system companies worldwide, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to quality management system companies: 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	SGS	Indirect evidence	Baar, SwitzerlandHQ checked Sep 21, 2026	10001+	60,606 contacts →
	Indirect evidence “SGS is the world’s leading Testing, Inspection and Certification company.” Source: RevenueBase Database · checked Sep 21, 2026
2	Bureau Veritas	Indirect evidence	Paris, FranceHQ checked Sep 21, 2026	10001+	46,434 contacts →
	Indirect evidence “Bureau Veritas is a world leader in Testing, Inspection and Certification.” Source: RevenueBase Database · checked Sep 21, 2026
3	Intertek	Partial evidence	London, United KingdomHQ checked Sep 21, 2026	10001+	23,155 contacts →
	Partial evidence “Intertek is a leading Total Quality Assurance provider to industries worldwide.” Source: RevenueBase Database · checked Sep 21, 2026
4	TÜV Rheinland Group	Partial evidence	Cologne, GermanyHQ checked Sep 21, 2026	10001+	7,928 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
5	TRIGO	Partial evidence	Nanterre, FranceHQ checked Sep 21, 2026	10001+	3,572 contacts →
	Partial evidence “QUALITY ALONG THE SUPPLY CHAIN Founded in 1997, TRIGO Group is a multinational company providing quality solutions for the automotive, aerospace and other transport industries.” Source: RevenueBase Database · checked Sep 21, 2026
6	Formel D Group	Indirect evidence	Köln, GermanyHQ checked Sep 21, 2026	10001+	2,758 contacts →
	Indirect evidence “Formel D is a global service provider for testing, inspection & certification.” Source: RevenueBase Database · checked Sep 21, 2026
7	OCA Global	Partial evidence	Sant Cugat Del Valles, SpainHQ checked Sep 21, 2026	1,001-5,000	2,690 contacts →
	Partial evidence “OCA Global is a private business group –with headquarters in Spain–, dedicated to inspection, quality control, certification, testing, consulting, and training activities.” Source: RevenueBase Database · checked Sep 21, 2026
8	ACE	Strong evidence	CanadaHQ checked Sep 21, 2026	n/a	1,915 contacts →
	Strong evidence “consulting firm in quality and environmental management system, quality control,quality assurance and lean manufacturing and productivity improvement.” Source: RevenueBase Database · checked Sep 21, 2026
9	DQS	Partial evidence	Frankfurt Am Main, GermanyHQ checked Sep 21, 2026	1,001-5,000	1,424 contacts →
	Partial evidence “DQS – Leveraging Quality, Driving Success.” Source: RevenueBase Database · checked Sep 21, 2026
10	Vinçotte	Indirect evidence	Vilvoorde, BelgiumHQ checked Sep 21, 2026	1,001-5,000	1,246 contacts →
	Indirect evidence “Vinçotte (a Kiwa company since May 2022) offers objective and advisory services in inspection, certification, conformity assessment and training.” Source: RevenueBase Database · checked Sep 21, 2026
11	AENOR	Indirect evidence	Madrid, SpainHQ checked Sep 21, 2026	501-1,000	961 contacts →
	Indirect evidence “AENOR is a global company, that identifies and helps organizations to overcome relevant competitiveness gaps.” Source: RevenueBase Database · checked Sep 21, 2026
12	British Engineering Services Group	Indirect evidence	Warrington, United KingdomHQ checked Sep 21, 2026	1,001-5,000	776 contacts →
	Indirect evidence “Testing, inspection, certification and compliance is our core business so that’s what gets 100% of our focus.” Source: RevenueBase Database · checked Sep 21, 2026
13	Intedya International Dynamic Advisors	Partial evidence	Cayes, HaitiHQ checked Sep 21, 2026	201-500	559 contacts →
	Partial evidence “Intedya is an Global Company specialized in Consulting, Training, Auditing based on International and Local Standards and best practices to manage Quality, Environment, Food…” Source: RevenueBase Database · checked Sep 21, 2026
14	UKAS	Indirect evidence	Staines-upon-thames, United KingdomHQ checked Sep 21, 2026	201-500	445 contacts →
	Indirect evidence “UKAS is the world’s leading #accreditation body delivering confidence in products and services, and supporting global value chains.” Source: RevenueBase Database · checked Sep 21, 2026
15	Kiwa Nederland	Indirect evidence	Rijswijk, NetherlandsHQ checked Sep 21, 2026	501-1,000	443 contacts →
	Indirect evidence “Kiwa behoort tot de wereldwijde top-20 op het gebied van testen, inspectie en certificering (TIC).” Source: RevenueBase Database · checked Sep 21, 2026
16	PECB	Indirect evidence	Montreal, QC, CanadaHQ checked Sep 21, 2026	51-200	437 contacts →
	Indirect evidence “PECB is a global leader in certification, committed to fostering digital trust through education, certification, and certificate programs across various disciplines.” Source: RevenueBase Database · checked Sep 21, 2026
17	Pt. TÜV Nord Indonesia	Indirect evidence	Jakarta Selatan, IndonesiaHQ checked Sep 21, 2026	201-500	403 contacts →
	Indirect evidence “TÜV NORD Indonesia, member of TÜV NORD GROUP Germany, is one of certification, inspection and testing service providers.” Source: RevenueBase Database · checked Sep 21, 2026
18	TÜV Nord Nederland	Indirect evidence	Son, NetherlandsHQ checked Sep 21, 2026	201-500	299 contacts →
	Indirect evidence “TÜV NORD Nederland is part of the international TÜV NORD Group and has been contributing to the daily success of many companies in the Netherlands and abroad through the provision…” Source: RevenueBase Database · checked Sep 21, 2026
19	EQA España	Indirect evidence	Madrid, SpainHQ checked Sep 21, 2026	201-500	298 contacts →
	Indirect evidence “EQA es una entidad internacional de certificación, verificación e inspección, con más de 25 años de trayectoria.” Source: RevenueBase Database · checked Sep 21, 2026
20	The Citation Group	Partial evidence	Wilmslow, United KingdomHQ checked Sep 21, 2026	1,001-5,000	291 contacts →
	Partial evidence “The Citation Group offer unrivalled compliance and quality services to over businesses across the UK, Australia, New Zealand, and Canada.” Source: RevenueBase Database · checked Sep 21, 2026
21	Rici Company	Indirect evidence	Dammam, Saudi ArabiaHQ checked Sep 21, 2026	501-1,000	283 contacts →
	Indirect evidence “RICI Company Ltd.” Source: RevenueBase Database · checked Sep 21, 2026
22	NQA	Indirect evidence	Dunstable, United KingdomHQ checked Sep 21, 2026	501-1,000	267 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
23	TÜV Nord Cert	Indirect evidence	Essen, GermanyHQ checked Sep 21, 2026	10001+	252 contacts →
	Indirect evidence “TÜV NORD and its testing, inspection, and certification companies make our world safer and are a driving force for global innovation.” Source: RevenueBase Database · checked Sep 21, 2026
24	SQS	Strong evidence	Zollikofen, SwitzerlandHQ checked Sep 21, 2026	51-200	251 contacts →
	Strong evidence “The Swiss Association for Quality and Management Systems (SQS) is Switzerland's leading organisation for certification and assessment services.” Source: RevenueBase Database · checked Sep 21, 2026
25	ITCC	Indirect evidence	QatarHQ checked Sep 21, 2026	5,001-10,000	251 contacts →
	Indirect evidence “An ISO 9001,ISO 14001 & OHSAS 18001 Certified Company” Source: RevenueBase Database · checked Sep 21, 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: quality management system companies. 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 quality management system companies.
Partial evidence: Its own public description names part of quality management system companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name quality management system companies. 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 6,894 quality management system companies worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 51,731 reachable decision-makers.

Free signup · no credit card

View the full list →

Quality management system companies worldwide at a glance

As of Sep 21, 2026

24.6%Verified-email coverage

30.6Average contacts per company

1-10Median size (employees)

1.4%Largest-city concentration · Sao Paulo

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

4,630

11-50

1,568

51-200

430

201-500

129

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

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among quality management system companies, 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.
Coverage: Every country. Country and city lists for quality management system companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “quality management system companies”. 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 quality management system companies), 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 quality management system companies, and records with no verified work email.
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, 51,731 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 21, 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.

Quality management system companies by location

28 lists · largest first

Every Quality management system companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 quality management system companies, 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 quality management system companies are there worldwide?

RevenueBase identified 6,894 quality management system companies worldwide 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?

SGS, headquartered in Baar, tops this list with the largest team on record.

Which country has the most quality management system companies?

Brazil leads with 546 companies, followed by the United States (492) and India (453). Every quality management system companies list by country and city is linked on this page.

Which city has the most quality management system companies?

Sao Paulo leads with 96 headquartered companies, followed by Lima (77) and London (53).

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 51,731 verified decision-maker contacts tracked across these 6,894 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 21, 2026.

Ready to reach these companies? Verified emails and direct dials for all 6,894 quality management system companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.