Company lists · Data refreshed September 2026

Top 25 Quality management consulting firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 23,450 companies tracked

RevenueBase identified 23,450 quality management consulting firms worldwide as of September 2026 and tracks 175,048 professional contacts across them, including 30,563 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers quality management consulting firms 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 consulting firms 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

23,450Companies

175,048Contacts tracked

30,563Verified emails

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The 25 largest quality management consulting firms worldwide

Ranked by team size

Top 25 of 23,450 quality management consulting firms 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 consulting firms: 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	Autonomo	Indirect evidence	Córdoba, SpainHQ checked Sep 21, 2026	n/a	23,018 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
2	Bureau Veritas Consumer Products Services	Partial evidence	Kowloon, Hong KongHQ checked Sep 21, 2026	10001+	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
3	Propia AB	Indirect evidence	Norrköping, SwedenHQ checked Sep 21, 2026	n/a	2,448 contacts →
	Indirect evidence “Propia is a Consultant Company offering competence and proven methodology within Operational Excellence.” Source: RevenueBase Database · checked Sep 21, 2026
4	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
5	MCA Auditoria E Gerenciamento Ltda	Strong evidence	Belo Horizonte, BrazilHQ checked Sep 21, 2026	1,001-5,000	1,754 contacts →
	Strong 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
6	Planit	Partial evidence	Sydney, AustraliaHQ checked Sep 21, 2026	1,001-5,000	1,612 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 21, 2026
7	PQE Group	Strong evidence	Reggello, JapanHQ checked Sep 21, 2026	1,001-5,000	1,309 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
8	RGBSI	Partial evidence	Troy, MI, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,040 contacts →
	Partial evidence “At RGBSI, we deliver engineering and quality solutions that close the gap between strategy and execution for global organizations of all sizes.” Source: RevenueBase Database · checked Sep 21, 2026
9	MAP	Strong evidence	Sherman Oaks, CA, United StatesHQ checked Sep 21, 2026	n/a	912 contacts →
	Strong evidence “We are a Performance Improvement Consulting Firm Increase profitability and productivity with our proven Management System™.” Source: RevenueBase Database · checked Sep 21, 2026
10	Impact Advisors	Strong evidence	Naperville, IL, United StatesHQ checked Sep 21, 2026	501-1,000	801 contacts →
	Strong evidence “Impact Advisors is a leading healthcare management consulting firm committed to solving the industry’s emerging and evolving challenges.” Source: RevenueBase Database · checked Sep 21, 2026
11	CAI	Indirect evidence	Indianapolis, IN, United StatesHQ checked Sep 21, 2026	501-1,000	763 contacts →
	Indirect evidence “At CAI, we are a professional services firm designed to accelerate operational readiness and excellence in critical environments.” Source: RevenueBase Database · checked Sep 21, 2026
12	MTP Métodos Y Tecnología	Indirect evidence	Madrid, SpainHQ checked Sep 21, 2026	501-1,000	686 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
13	Intedya International Dynamic Advisors	Strong evidence	Cayes, HaitiHQ checked Sep 21, 2026	201-500	559 contacts →
	Strong 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	Professional	Partial evidence	Milan, ItalyHQ checked Sep 21, 2026	n/a	535 contacts →
	Partial evidence “Consultant Corporate Governance and Project Management.” Source: RevenueBase Database · checked Sep 21, 2026
15	Boslan Ingeniería Y Consultoría	Indirect evidence	Bilbao, SpainHQ checked Sep 21, 2026	501-1,000	526 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
16	Implid	Indirect evidence	Lyon, FranceHQ checked Sep 21, 2026	501-1,000	502 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
17	Vector Consulting Group	Partial evidence	Thane West, IndiaHQ checked Sep 21, 2026	201-500	436 contacts →
	Partial evidence “Using our unique engagement & solutions approach to management consultancy, we help clients solve chronic problems in supply chain, operations, sales & distribution, new product…” Source: RevenueBase Database · checked Sep 21, 2026
18	Weaver Consultants Group	Partial evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	201-500	382 contacts →
	Partial evidence “From its inception in 1991, Weaver Consultants Group has been founded upon the tenets of attentive and responsive customer service, strong project management, and solid internal…” Source: RevenueBase Database · checked Sep 21, 2026
19	Herkenhoff & Prates	Indirect evidence	Belo Horizonte, BrazilHQ checked Sep 21, 2026	201-500	369 contacts →
	Indirect evidence “A H&P é uma empresa especializada na consultoria em gestão de projetos para empresas privadas e órgãos públicos.” Source: RevenueBase Database · checked Sep 21, 2026
20	KLB	Partial evidence	Vincennes, MexicoHQ checked Sep 21, 2026	501-1,000	363 contacts →
	Partial evidence “KLB Group is an international consulting firm specializing in operational performance for more than 25 years and bringing together nearly 750 employees worldwide.” Source: RevenueBase Database · checked Sep 21, 2026
21	Ecol Studio Lifeanalytics	Partial evidence	Lucca, ItalyHQ checked Sep 21, 2026	201-500	345 contacts →
	Partial evidence “Salute, Sicurezza, Ambiente e Qualità del prodotto: sei davvero sostenibile?” Source: RevenueBase Database · checked Sep 21, 2026
22	JOBS	Indirect evidence	Asunción, ParaguayHQ checked Sep 21, 2026	51-200	345 contacts →
	Indirect evidence “Ayudamos a las organizaciones a mejorar su desempeño y a agregar valor para sus clientes"."Aportamos soluciones, que atienden las necesidades de las organizaciones y de las…” Source: RevenueBase Database · checked Sep 21, 2026
23	Eagle Hill Consulting	Indirect evidence	Arlington, VA, United StatesHQ checked Sep 21, 2026	201-500	337 contacts →
	Indirect evidence “Unconventional, woman-owned, and award-winning-at Eagle Hill, we break away from the expected and apply the best tools and methodologies of larger consultancies in the nimble…” Source: RevenueBase Database · checked Sep 21, 2026
24	ECM Engineering Conception Maintenance	Indirect evidence	Paris, FranceHQ checked Sep 21, 2026	201-500	336 contacts →
	Indirect evidence “ECM (Engineering Conception Maintenance) a été créée en 1973 par le groupe CRIT, leader français du service aux entreprises dont le C.A.” Source: RevenueBase Database · checked Sep 21, 2026
25	Verista	Partial evidence	Fishers, IN, United StatesHQ checked Sep 21, 2026	501-1,000	323 contacts →
	Partial evidence “Verista is a leading business and technology consultancy firm that provides systems, compliance, validation and quality solutions to life science companies - enabling them to…” 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 consulting firms. 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 consulting firms.
Partial evidence: Its own public description names part of quality management consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name quality management consulting firms. 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 23,450 quality management consulting firms worldwide

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Quality management consulting firms worldwide at a glance

As of Sep 21, 2026

17.5%Verified-email coverage

7.5Average contacts per company

1-10Median size (employees)

1.7%Largest-city concentration · Sao Paulo

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

17,756

11-50

4,494

51-200

851

201-500

183

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 consulting firms, 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 consulting firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “quality management consulting firms”. 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 consulting firms), 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 consulting firms, 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, 30,563 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 consulting firms by location

81 lists · largest first

Every Quality management 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 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 consulting firms, 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 consulting firms are there worldwide?

RevenueBase identified 23,450 quality management consulting firms 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 consulting firms?

The United States leads with 3,314 companies, followed by Brazil (2,228) and France (1,063). Every quality management consulting firms list by country and city is linked on this page.

Which city has the most quality management consulting firms?

Sao Paulo leads with 408 headquartered companies, followed by Lima (202) and London (197).

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 30,563 verified decision-maker contacts tracked across these 23,450 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.