Company lists · Data refreshed November 2026

Top 25 Quality management auditors worldwide

RevenueBase identified 1,489 company matches for quality management auditors worldwide as of November 2026 and tracks 20,774 professional contacts across them, including 3,757 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for quality management auditors 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 November 6, 2026. Country and city lists for quality management auditors 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 Nov 6, 2026 How this list was built
1,489Companies
20,774Contacts tracked
3,757Verified emails
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The 25 largest quality management auditors worldwide

Ranked by team size
Top 25 of 1,489 company matches for quality management auditors worldwide, 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 matchCologne, GermanyHQ recorded Nov 6, 202610001+8,583 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchEssen, GermanyHQ recorded Nov 6, 202610001+299 contacts →

Exact match

“TÜV NORD and its testing, inspection, and certification companies make our world safer and are a driving force for global innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchZollikofen, SwitzerlandHQ recorded Nov 6, 202651-200263 contacts →

Exact match

“The Swiss Association for Quality and Management Systems (SQS) is Switzerland's leading organisation for certification and assessment services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBan Chang, ThailandHQ recorded Nov 6, 2026201-500239 contacts →

Exact match

“Dexon is committed to the delivery of quality inspection services and continuous improvement for our customers satisfaction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchMchenry, IL, United StatesHQ recorded Nov 6, 2026501-1,000219 contacts →

Exact match

“Pro QC International provides tailored quality solutions with a human touch in 100 countries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchNewmarket, ON, CanadaHQ recorded Nov 6, 2026501-1,000202 contacts →

Exact match

“Q2 Management™ is a ISO-certified quality assurance solutions provider to the manufacturing industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBirmingham, United KingdomHQ recorded Nov 6, 20261,001-5,000201 contacts →

Exact match

“Established in 1994, G&P is a world-leading provider of quality management services to the manufacturing industry, primarily in the automotive, aerospace and off-highway sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLangenfeld (rheinland), United StatesHQ recorded Nov 6, 20261,001-5,000122 contacts →

Exact match

“We, the redi-Group, are a global provider of project- and quality management services in the automotive- and other quality-oriented industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-50114 contacts →

Exact match

“Your partners in quality.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAthens, GreeceHQ recorded Nov 6, 2026201-500109 contacts →

Exact match

“EUROCERT European Inspection and Certification Company, acts as a third party inspection, audit and certification body.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchOsborne Park, AustraliaHQ recorded Nov 6, 202651-200107 contacts →

Exact match

“Worldwide Provider of Inspection, Auditing & Quality Services GQS provides proven, effective and efficient product conformity and assurance services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchRosario, ArgentinaHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“LETIS audits and certifies compliance with standards, protocols and quality systems, such as- Standards for Organic Production of Argentina, United States, European Union…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchJundiaí, BrazilHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“Com o objetivo de assegurar a qualidade e manter um elevado nível de segurança e confiabilidade, a FLEX AERO possui um sistema de controle de qualidade que consta com auditorias…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchDayton, OH, United StatesHQ recorded Nov 6, 202611-5076 contacts →

Exact match

“Since 1994, EAGLE has built an excellent reputation by providing third party auditing services that are objective and value-added.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCincinnati, OH, United StatesHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“We believe in quality without compromise, and resolve quality issues more efficiently, and accurately, by holding ourselves to a documented, higher standard.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchGurgaon, IndiaHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“SIS Certifications Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202611-5056 contacts →

Exact match

“O Grupo CATA atua no segmento de Avaliação da Qualidade nas áreas de inspeção, testes, certificações, treinamentos e em processos de avaliação, que garantem determinado resultado…”

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 matchOyonnax, FranceHQ recorded Nov 6, 2026201-50053 contacts →

Exact match

“Nos interventions: Dans le cadre de missions ponctuelles aussi bien que d’audits, nous avons acquis au fil des années toute l’expérience qui, associée à nos méthodes, vous…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchOsasco, BrazilHQ recorded Nov 6, 202651-20052 contacts →

Exact match

“Nascida em a MP foi fundada por ex colaborador de Multinacional Americana com vasta experiência na área de qualidade, tendo atuado em diversas áreas: Recebimento, Auditoria de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchKowloon, Hong KongHQ recorded Nov 6, 2026201-50051 contacts →

Exact match

“API is a company member or Worms Safety Group, specializes in Home Equipment quality management for: • Toys • Furniture (indoor and outdoor) • Home Improvement / DIY • Home decor…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSpring, United StatesHQ recorded Nov 6, 2026n/a45 contacts →

Exact match

“ABS Quality Evaluations, Inc.(ABS QE) is a global leader in quality assurance and business improvement services with over 30 years of experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“At NYTROGIN, we understand the importance of maintaining a safe and healthy work environment for organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMunich, GermanyHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“Our GxP quality is guided by trusted independence and proven quality, earned through decades of objective auditing, and rooted in the latest global and local regulatory…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“O IBRACEM é uma instituição dedicada à certificação, auditoria e monitoramento de processos, garantindo qualidade, conformidade e excelência em diversos setores da indústria e…”

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

Showing 25 of 1,489 quality management auditors worldwide

See the full list, filter by size, metro and specialty, and access 3,757 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Quality management auditors worldwide at a glance

As of Nov 6, 2026
18.1%Verified-email coverage
14.0Average contacts per company
1-10Median size (employees)
1.2%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
978
11-50
355
51-200
87
201-500
33
501-1,000
9
1,001-5,000
6
5,001-10,000
2
10001+
10

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 quality management auditors are linked below.
What qualifies
Company records worldwide whose business descriptions match “quality management auditors” 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 3,757 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.

Quality management auditors by location

8 lists · largest first

Every Quality management auditors 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 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 “quality management auditors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many quality management auditors are there worldwide?

RevenueBase identified 1,489 company matches for quality management auditors worldwide 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?

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

Which country has the most quality management auditors?

The United States leads with 174 companies, followed by India (104) and Brazil (102). Every quality management auditors list by country and city is linked on this page.

Which city has the most quality management auditors?

Sao Paulo leads with 18 company records, followed by London (14) and Istanbul (11).

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 3,757 professional contacts with verified work emails tracked across these 1,489 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.