Company lists · Data refreshed September 2026

Top 25 Quality and compliance consulting firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 12,114 companies tracked

RevenueBase identified 12,114 quality and compliance consulting firms worldwide as of September 2026 and tracks 113,468 professional contacts across them, including 21,372 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers quality and compliance 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 and compliance 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

12,114Companies

113,468Contacts tracked

21,372Verified emails

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The 25 largest quality and compliance consulting firms worldwide

Ranked by team size

Top 25 of 12,114 quality and compliance 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 and compliance 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	Strong evidence	Kowloon, Hong KongHQ checked Sep 21, 2026	10001+	3,802 contacts →
	Strong 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	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
4	MCA Auditoria E Gerenciamento Ltda	Partial evidence	Belo Horizonte, BrazilHQ checked Sep 21, 2026	1,001-5,000	1,754 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
5	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
6	EFOR	Strong evidence	Champagne-au-mont-d’or, FranceHQ checked Sep 21, 2026	1,001-5,000	1,451 contacts →
	Strong evidence “Efor Group \| The Global Leader in Life Science Quality & Compliance Founded in 2013, Efor Group is today the world leader in Quality & Compliance for the Life Sciences industry.” 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	Paragon	Partial evidence	Cranford, NJ, United StatesHQ checked Sep 21, 2026	501-1,000	936 contacts →
	Partial evidence “Paragon is a now part of CGI (cgi.com), a global IT and business consulting services firm.” Source: RevenueBase Database · checked Sep 21, 2026
9	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
10	ELLAB	Partial evidence	Hilleroed, GermanyHQ checked Sep 21, 2026	501-1,000	671 contacts →
	Partial evidence “Compliance isn’t just a checkbox - it’s the foundation of trust, safety, and success in life science.” Source: RevenueBase Database · checked Sep 21, 2026
11	Bureau Veritas Primary Integration	Indirect evidence	Mclean, VA, United StatesHQ checked Sep 21, 2026	201-500	651 contacts →
	Indirect evidence “Founded in 2005, the vision behind Primary Integration (PI) was to build the most elite mission critical commissioning/data center commissioning and operational risk management…” Source: RevenueBase Database · checked Sep 21, 2026
12	Safety Management Group	Partial evidence	Indianapolis, IN, United StatesHQ checked Sep 21, 2026	201-500	485 contacts →
	Partial evidence “We are people-centric Quality, Health, Safety, and Environmental (QHSE) consultants driven to reduce risk, foster sustainable operations, and enhance safety culture to protect…” Source: RevenueBase Database · checked Sep 21, 2026
13	QBD Group	Indirect evidence	Antwerp, BelgiumHQ checked Sep 21, 2026	501-1,000	387 contacts →
	Indirect evidence “QbD Group is your strategic partner in life sciences, supporting companies from early-stage innovation to full market access and lifecycle management.” Source: RevenueBase Database · checked Sep 21, 2026
14	E4health	Indirect evidence	Wyomissing, PA, United StatesHQ checked Sep 21, 2026	501-1,000	364 contacts →
	Indirect evidence “For more than 20 years, e4health has partnered with 400+ health systems and provider organizations nationwide, delivering exceptional solutions across Health IT, HIM, Coding…” Source: RevenueBase Database · checked Sep 21, 2026
15	APA Engineering INC	Partial evidence	Mount Laurel, NJ, United StatesHQ checked Sep 21, 2026	201-500	364 contacts →
	Partial evidence “APA Engineering Inc has been a leader in providing Compliance, Engineering, IT, and Sourcing services since With over twenty years in business, we are dedicated to providing the…” Source: RevenueBase Database · checked Sep 21, 2026
16	Quality Professionals Q-Pros	Partial evidence	TX, United StatesHQ checked Sep 21, 2026	501-1,000	347 contacts →
	Partial evidence “Quality Professionals (Q-Pros) is a global independent software Quality Assurance and Testing services provider supporting enterprise and government organizations.” Source: RevenueBase Database · checked Sep 21, 2026
17	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
18	Cutech Group	Partial evidence	SingaporeHQ checked Sep 21, 2026	201-500	344 contacts →
	Partial evidence “Cutech Quality and Cutech Process are part of a multi-disciplinary group offering comprehensive Quality Assurance, Quality Control, Inspection, Testing, Engineering, and Technical…” Source: RevenueBase Database · checked Sep 21, 2026
19	VMG Health	Indirect evidence	Dallas, TX, United StatesHQ checked Sep 21, 2026	201-500	336 contacts →
	Indirect evidence “At VMG Health, we’re more than just a team of experts; we’re trusted partners in the business of healthcare.” Source: RevenueBase Database · checked Sep 21, 2026
20	Verista	Strong evidence	Fishers, IN, United StatesHQ checked Sep 21, 2026	501-1,000	323 contacts →
	Strong 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
21	Registrar Corp	Partial evidence	Hampton, VA, United StatesHQ checked Sep 21, 2026	51-200	317 contacts →
	Partial evidence “Registrar Corp is your trusted partner helping you navigate global regulatory requirements with expert services, innovative software solutions and comprehensive online compliance…” Source: RevenueBase Database · checked Sep 21, 2026
22	Mentor Technical Group	Partial evidence	Caguas, Puerto RicoHQ checked Sep 21, 2026	501-1,000	298 contacts →
	Partial evidence “Mentor Technical Group is a minority-owned business setting new standards for multidisciplinary compliance, technical, and engineering services.” Source: RevenueBase Database · checked Sep 21, 2026
23	The Citation Group	Strong evidence	Wilmslow, United KingdomHQ checked Sep 21, 2026	1,001-5,000	291 contacts →
	Strong 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
24	Vaisesika	Strong evidence	Carlsbad, CA, United StatesHQ checked Sep 21, 2026	201-500	266 contacts →
	Strong 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
25	Hqts Group	Strong evidence	London, United KingdomHQ checked Sep 21, 2026	1,001-5,000	250 contacts →
	Strong evidence “Since 1987 HQTS has delivered product inspections, factory audits, testing and quality consulting throughout Asia.” 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 and compliance 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 and compliance consulting firms.
Partial evidence: Its own public description names part of quality and compliance 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 and compliance 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 12,114 quality and compliance consulting firms worldwide

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Quality and compliance consulting firms worldwide at a glance

As of Sep 21, 2026

18.8%Verified-email coverage

9.4Average contacts per company

1-10Median size (employees)

1.8%Largest-city concentration · Sao Paulo

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

9,077

11-50

2,330

51-200

486

201-500

119

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 and compliance 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 and compliance consulting firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “quality and compliance 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 and compliance 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 and compliance 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, 21,372 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 and compliance consulting firms by location

43 lists · largest first

Every Quality and compliance 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 and compliance 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 and compliance consulting firms are there worldwide?

RevenueBase identified 12,114 quality and compliance 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 and compliance consulting firms?

The United States leads with 2,405 companies, followed by Brazil (899) and the United Kingdom (666). Every quality and compliance consulting firms list by country and city is linked on this page.

Which city has the most quality and compliance consulting firms?

Sao Paulo leads with 217 headquartered companies, followed by London (120) and Lima (90).

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 21,372 verified decision-maker contacts tracked across these 12,114 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.