Company lists · Data refreshed November 2026

Top 25 Quality system consulting firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 22,257 companies tracked

RevenueBase identified 22,257 company matches for quality system consulting firms worldwide as of November 2026 and tracks 247,014 professional contacts across them, including 44,300 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for quality system consulting firms 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 5, 2026. Country and city lists for quality system consulting firms 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 5, 2026 How this list was built

22,257Companies

247,014Contacts tracked

44,300Verified emails

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The 25 largest quality system consulting firms worldwide

Ranked by team size

Top 25 of 22,257 company matches for quality system consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	Intertek	Exact match	London, NY, United KingdomHQ recorded Nov 5, 2026	10001+	24,944 contacts →
	Exact match “Intertek is a leading Total Quality Assurance provider to industries worldwide.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Autonomo	Exact match	Córdoba, SpainHQ recorded Nov 5, 2026	n/a	22,085 contacts →
	Exact match “Calidad y Gestión es una empresa consultora de ámbito internacional especializada en servicios de asesoría en las siguientes áreas: Calidad Medio Ambiente Responsabilidad social…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	TÜV Rheinland Group	Exact match	Cologne, GermanyHQ recorded Nov 5, 2026	10001+	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 5, 2026 · View company records in RevenueBase
4	TRIGO	Exact match	Nanterre, FranceHQ recorded Nov 5, 2026	10001+	4,012 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Bureau Veritas Consumer Products Services	Exact match	Kowloon, NY, Hong KongHQ recorded Nov 5, 2026	10001+	3,981 contacts →
	Exact match “The Bureau Veritas Consumer Products Services division is a world-leading concept-to-consumer quality assurance and compliance services provider to manufacturers, distributors and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	MCA Auditoria E Gerenciamento Ltda	Exact match	Belo Horizonte, BrazilHQ recorded Nov 5, 2026	1,001-5,000	1,995 contacts →
	Exact match “MCA Audit and Management Ltd, which specializes in consulting, auditing and project management and construction, is a company created by professionals graduating from leading…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	ACE	Exact match	CanadaHQ recorded Nov 5, 2026	n/a	1,989 contacts →
	Exact match “consulting firm in quality and environmental management system, quality control,quality assurance and lean manufacturing and productivity improvement.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Planit	Exact match	Sydney, AustraliaHQ recorded Nov 5, 2026	1,001-5,000	1,671 contacts →
	Exact match “At Planit, we provide businesses with the vision, precision and independence they need to improve the quality of their software and the way they deliver it.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	DQS	Exact match	Frankfurt, GermanyHQ recorded Nov 5, 2026	1,001-5,000	1,466 contacts →
	Exact match “DQS – Leveraging Quality, Driving Success.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	PQE Group	Exact match	Reggello, JapanHQ recorded Nov 5, 2026	1,001-5,000	1,327 contacts →
	Exact match “WHO WE ARE PQE Group is a women-owned, ISO 9001 certified technology solutions and compliance consulting Services Company, offering complete quality solutions for GCP, GLP, GMP…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	RGBSI	Exact match	Troy, MI, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,125 contacts →
	Exact match “At RGBSI, we deliver engineering and quality solutions that close the gap between strategy and execution for global organizations of all sizes.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Falcão Bauer	Exact match	Sao Paulo, BrazilHQ recorded Nov 5, 2026	1,001-5,000	1,017 contacts →
	Exact match “Desde 1953 as empresas do Grupo Falcão Bauer prestam serviços nas áreas de Engenharia Consultiva realizando serviços de assessoria, avaliação, inspeção, Certificações (produtos e…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Paragon	Exact match	Cranford, NJ, United StatesHQ recorded Nov 5, 2026	501-1,000	962 contacts →
	Exact match “Paragon is a now part of CGI (cgi.com), a global IT and business consulting services firm.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Exact X Forestall Group	Exact match	Częstochowa, PolandHQ recorded Nov 5, 2026	5,001-10,000	778 contacts →
	Exact match “Exact x Forestall is a leading global provider of quality control solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	CAI	Exact match	Indianapolis, United StatesHQ recorded Nov 5, 2026	501-1,000	776 contacts →
	Exact match “At CAI, we are a professional services firm designed to accelerate operational readiness and excellence in critical environments.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	MTP Métodos Y Tecnología	Exact match	Madrid, SpainHQ recorded Nov 5, 2026	501-1,000	732 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Kiwa Suomi	Exact match	Helsinki, FinlandHQ recorded Nov 5, 2026	10001+	692 contacts →
	Exact match “Kiwa on yksi maailman johtavista asiantuntijoista turvallisuudessa, laadussa ja luotettavuudessa.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Endrix	Exact match	Lyon, FranceHQ recorded Nov 5, 2026	501-1,000	627 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Intedya International Dynamic Advisors	Exact match	Cayes, HaitiHQ recorded Nov 5, 2026	201-500	605 contacts →
	Exact match “Intedya is an Global Company specialized in Consulting, Training, Auditing based on International and Local Standards and best practices to manage Quality, Environment, Food…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Parente Andrade	Exact match	Manaus, BrazilHQ recorded Nov 5, 2026	1,001-5,000	603 contacts →
	Exact match “Somos uma organização que executa serviços dentro do mais alto padrão de qualidade, segurança e respeito ao meio ambiente, visando promover a satisfação dos clientes nos serviços…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Service Engenharia	Exact match	Salvador, BrazilHQ recorded Nov 5, 2026	1,001-5,000	566 contacts →
	Exact match “A SERVICE Engenharia é uma empresa de prestação de serviços de Consultoria, Planejamento, Administração, Fiscalização, Manutenção, Construção e Montagem Industrial, atuando em…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Implid	Exact match	Lyon, FranceHQ recorded Nov 5, 2026	501-1,000	526 contacts →
	Exact match “Depuis plus de 40 ans, nos équipes de spécialistes accompagnent nos clients de petites, moyennes et grandes entreprises, dans le pilotage de leurs organisations, la gestion des…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Trace Group S.A	Exact match	Neuquén, ArgentinaHQ recorded Nov 5, 2026	201-500	515 contacts →
	Exact match “Trace Group, fundada en 2008 como parte del grupo Clusterciar, es una empresa dedicada a la supervisión e inspección técnica para la industria bajo rigurosos estándares de calidad…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Safety Management Group	Exact match	Indianapolis, IN, United StatesHQ recorded Nov 5, 2026	201-500	495 contacts →
	Exact match “We are people-centric Quality, Health, Safety, and Environmental (QHSE) consultants driven to reduce risk, foster sustainable operations, and enhance safety culture to protect…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	AL Darwish Engineering W.L.L	Exact match	Doha, QatarHQ recorded Nov 5, 2026	1,001-5,000	484 contacts →
	Exact match “Al Darwish Engineering W.L.L is an ISO 9001:2008 (Quality Management System), ISO 14001:2004 (Environmental Management System, and ISO 45001:2018 (Health and Safety Management…” Recorded in the RevenueBase company graph · Nov 5, 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 “quality system consulting firms”. 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 22,257 quality system consulting firms worldwide

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Quality system consulting firms worldwide at a glance

As of Nov 5, 2026

17.9%Verified-email coverage

11.1Average contacts per company

1-10Median size (employees)

1.5%Largest-city concentration · Sao Paulo

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

15,930

11-50

4,711

51-200

1,006

201-500

273

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 quality system consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “quality system consulting firms” 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 44,300 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 5, 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 system consulting firms by location

103 lists · largest first

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

How many quality system consulting firms are there worldwide?

RevenueBase identified 22,257 company matches for quality system consulting firms 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?

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

Which country has the most quality system consulting firms?

The United States leads with 2,320 companies, followed by Brazil (1,804) and India (1,141). Every quality system consulting firms list by country and city is linked on this page.

Which city has the most quality system consulting firms?

Sao Paulo leads with 323 company records, followed by Lima (244) and London (153).

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 44,300 professional contacts with verified work emails tracked across these 22,257 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 5, 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.