Company lists · Data refreshed September 2026

Top 25 Quality management system consultants worldwide

RevenueBase identified 14,587 quality management system consultants worldwide as of September 2026 and tracks 139,624 professional contacts across them, including 20,260 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers quality management system consultants 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 consultants 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
14,587Companies
139,624Contacts tracked
20,260Verified emails
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The 25 largest quality management system consultants worldwide

Ranked by team size
Top 25 of 14,587 quality management system consultants 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 consultants: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceCórdoba, SpainHQ checked Sep 21, 2026n/a23,018 contacts →

Indirect evidence

“Calidad y Gestión es una empresa consultora de ámbito internacional especializada en servicios de asesoría en las siguientes áreas: Calidad Medio Ambiente Responsabilidad social…”

Source: RevenueBase Database · checked Sep 21, 2026
2Partial evidenceCologne, GermanyHQ checked Sep 21, 202610001+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
3Partial evidenceKowloon, Hong KongHQ checked Sep 21, 202610001+3,802 contacts →

Partial evidence

“The Bureau Veritas Consumer Products Services division is a world-leading concept-to-consumer quality assurance and compliance services provider to manufacturers, distributors and…”

Source: RevenueBase Database · checked Sep 21, 2026
4Partial evidenceNanterre, FranceHQ checked Sep 21, 202610001+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
5Indirect evidenceKöln, GermanyHQ checked Sep 21, 202610001+2,758 contacts →

Indirect evidence

“Formel D is a global service provider for testing, inspection & certification.”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidenceMumbai, IndiaHQ checked Sep 21, 20261,001-5,0002,277 contacts →

Indirect evidence

“TUV India Pvt.”

Source: RevenueBase Database · checked Sep 21, 2026
7Strong evidenceCanadaHQ checked Sep 21, 2026n/a1,915 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
8Partial evidenceBelo Horizonte, BrazilHQ checked Sep 21, 20261,001-5,0001,754 contacts →

Partial evidence

“MCA Audit and Management Ltd, which specializes in consulting, auditing and project management and construction, is a company created by professionals graduating from leading…”

Source: RevenueBase Database · checked Sep 21, 2026
9Partial evidenceFrankfurt Am Main, GermanyHQ checked Sep 21, 20261,001-5,0001,424 contacts →

Partial evidence

“DQS – Leveraging Quality, Driving Success.”

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceSao Paulo, BrazilHQ checked Sep 21, 20261,001-5,000899 contacts →

Indirect evidence

“Desde 1953 as empresas do Grupo Falcão Bauer prestam serviços nas áreas de Engenharia Consultiva realizando serviços de assessoria, avaliação, inspeção, Certificações (produtos e…”

Source: RevenueBase Database · checked Sep 21, 2026
11Partial evidenceCzęstochowa, PolandHQ checked Sep 21, 20265,001-10,000711 contacts →

Partial evidence

“Exact x Forestall is a leading global provider of quality control solutions.”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceMadrid, SpainHQ checked Sep 21, 2026501-1,000686 contacts →

Indirect evidence

“Consultora especializada en servicios de Aseguramiento de la Calidad del Software dirigidos a controlar y mejorar los costes, plazos y calidad del ciclo de vida de los productos…”

Source: RevenueBase Database · checked Sep 21, 2026
13Partial evidenceLyon, FranceHQ checked Sep 21, 2026501-1,000576 contacts →

Partial evidence

“Le Groupe SFC, c’est - Une équipe de 200 collaborateurs accompagnant au quotidien plus de clients - Une politique orientée qualité et satisfaction clients avec notre certification…”

Source: RevenueBase Database · checked Sep 21, 2026
14Partial evidenceCayes, HaitiHQ checked Sep 21, 2026201-500559 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
15Indirect evidenceBilbao, SpainHQ checked Sep 21, 2026501-1,000526 contacts →

Indirect evidence

“Boslan, now part of Accenture, is a consolidated and solvent company supported by its numerous references developed for an important portfolio of clients.”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceRijswijk, NetherlandsHQ checked Sep 21, 2026501-1,000443 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
17Partial evidenceLucca, ItalyHQ checked Sep 21, 2026201-500345 contacts →

Partial evidence

“Salute, Sicurezza, Ambiente e Qualità del prodotto: sei davvero sostenibile?”

Source: RevenueBase Database · checked Sep 21, 2026
18Strong evidenceDongguan City, ChinaHQ checked Sep 21, 2026201-500320 contacts →

Strong evidence

“Impactiva is the world's leader in Process Optimization, Quality Management and Quality Assurance/Control for the Leather, Footwear, Leathergoods, Outdoor Gear and Apparel…”

Source: RevenueBase Database · checked Sep 21, 2026
19Partial evidenceWilmslow, United KingdomHQ checked Sep 21, 20261,001-5,000291 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
20Indirect evidenceDammam, Saudi ArabiaHQ checked Sep 21, 2026501-1,000283 contacts →

Indirect evidence

“RICI Company Ltd.”

Source: RevenueBase Database · checked Sep 21, 2026
21Indirect evidenceDunstable, United KingdomHQ checked Sep 21, 2026501-1,000267 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
22Indirect evidenceCarlsbad, CA, United StatesHQ checked Sep 21, 2026201-500266 contacts →

Indirect evidence

“Vaisesika Consulting is a global tech and consulting firm that helps businesses transform their digital setups and stay compliant in a straightforward way.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceEssen, GermanyHQ checked Sep 21, 202610001+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
24Strong evidenceZollikofen, SwitzerlandHQ checked Sep 21, 202651-200251 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
25Indirect evidenceBrookville, OH, United StatesHQ checked Sep 21, 2026501-1,000246 contacts →

Indirect evidence

“At Green Tokai Co, Ltd, we are dedicated to consistently meeting and exceeding our customers’ expectations in product performance, service, and delivery.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 14,587 quality management system consultants worldwide

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Quality management system consultants worldwide at a glance

As of Sep 21, 2026
14.5%Verified-email coverage
9.6Average contacts per company
1-10Median size (employees)
1.5%Largest-city concentration · Sao Paulo
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
10,625
11-50
3,035
51-200
591
201-500
165
501-1,000
65
1,001-5,000
36
5,001-10,000
9
10001+
20

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 consultants, 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 consultants are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “quality management system consultants”. 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 consultants), 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 consultants, 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, 20,260 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 consultants by location

44 lists · largest first

Every Quality management system consultants 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 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 consultants, 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 consultants are there worldwide?

RevenueBase identified 14,587 quality management system consultants 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?

Autonomo, headquartered in Cordoba, tops this list with the largest team on record.

Which country has the most quality management system consultants?

Brazil leads with 1,280 companies, followed by the United States (1,065) and India (740). Every quality management system consultants list by country and city is linked on this page.

Which city has the most quality management system consultants?

Sao Paulo leads with 223 headquartered companies, followed by Lima (190) and Bogota (96).

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 20,260 verified decision-maker contacts tracked across these 14,587 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.

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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 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.