Company lists · Data refreshed September 2026

Top 25 Iso audit consultants worldwide

Name: Iso audit consultants worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 11,784 companies tracked

RevenueBase identified 11,784 company matches for iso audit consultants worldwide as of September 2026 and tracks 244,010 professional contacts across them, including 53,814 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for iso audit consultants 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 September 28, 2026. Country and city lists for iso audit consultants 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 Sep 28, 2026 How this list was built

11,784Companies

244,010Contacts tracked

53,814Verified emails

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The 25 largest iso audit consultants worldwide

Ranked by team size

Top 25 of 11,784 company matches for iso audit consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	SGS	Exact match	Baar, SwitzerlandHQ recorded Sep 28, 2026	10001+	60,606 contacts →
	Exact match “SGS is the world’s leading Testing, Inspection and Certification company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Intertek	Exact match	London, United KingdomHQ recorded Sep 28, 2026	10001+	23,155 contacts →
	Exact match “Intertek is a leading Total Quality Assurance provider to industries worldwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Autonomo	Exact match	Córdoba, SpainHQ recorded Sep 28, 2026	n/a	23,018 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 · Sep 28, 2026 · View company records in RevenueBase
4	DNV	Exact match	Høvik, NorwayHQ recorded Sep 28, 2026	10001+	15,983 contacts →
	Exact match “DNV is the independent expert in risk management and assurance, operating in more than 100 countries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	TÜV SÜD	Exact match	Munich, GermanyHQ recorded Sep 28, 2026	10001+	13,350 contacts →
	Exact match “TÜV SÜD is the trusted partner of choice for safety, security and sustainability solutions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Socotec	Exact match	Guyancourt, FranceHQ recorded Sep 28, 2026	10001+	5,715 contacts →
	Exact match “SOCOTEC ranks in the Top 10 Best Workplaces® 2025 (category:>2500 employees) and is once again certified Great Place to Work® in 2025, across 18 countries!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	DEKRA	Exact match	Stuttgart, GermanyHQ recorded Sep 28, 2026	10001+	5,573 contacts →
	Exact match “For more than 100 years, DEKRA has been a trusted name in safety.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	PT Surveyor Indonesia	Exact match	Jakarta Selatan, IndonesiaHQ recorded Sep 28, 2026	5,001-10,000	2,309 contacts →
	Exact match “Surveyor Indonesia didirikan pada tanggal 1 Agustus 1991.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	ACE	Exact match	CanadaHQ recorded Sep 28, 2026	n/a	1,915 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 · Sep 28, 2026 · View company records in RevenueBase
10	MCA Auditoria E Gerenciamento Ltda	Exact match	Belo Horizonte, BrazilHQ recorded Sep 28, 2026	1,001-5,000	1,754 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 · Sep 28, 2026 · View company records in RevenueBase
11	Applus Europe	Exact match	Madrid, SpainHQ recorded Sep 28, 2026	1,001-5,000	1,670 contacts →
	Exact match “Applus+ is a worldwide leader in the testing, inspection, and certification sector.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Vinçotte	Exact match	Vilvoorde, BelgiumHQ recorded Sep 28, 2026	1,001-5,000	1,246 contacts →
	Exact match “Vinçotte (a Kiwa company since May 2022) offers objective and advisory services in inspection, certification, conformity assessment and training.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	AENOR	Exact match	Madrid, SpainHQ recorded Sep 28, 2026	501-1,000	961 contacts →
	Exact match “AENOR is a global company, that identifies and helps organizations to overcome relevant competitiveness gaps.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	TÜV Rheinland Asia	Exact match	Cologne, GermanyHQ recorded Sep 28, 2026	10001+	956 contacts →
	Exact match “For over 150 years, TÜV Rheinland has helped shape a safer, more trustworthy world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Socotec UK & Ireland	Exact match	Burton Upon Trent, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	844 contacts →
	Exact match “SOCOTEC UK is a network of industry-leading experts we empower ambitious businesses at every stage of the asset lifecycle.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	MTP Métodos Y Tecnología	Exact match	Madrid, SpainHQ recorded Sep 28, 2026	501-1,000	686 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 · Sep 28, 2026 · View company records in RevenueBase
17	Kiwa Suomi	Exact match	Helsinki, FinlandHQ recorded Sep 28, 2026	10001+	683 contacts →
	Exact match “Kiwa on yksi maailman johtavista asiantuntijoista turvallisuudessa, laadussa ja luotettavuudessa.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	OES Asset Integrity Management	Exact match	Dubai, United Arab EmiratesHQ recorded Sep 28, 2026	201-500	618 contacts →
	Exact match “At OES we believe in delivering a service that maintain our clients assets, improves efficiency and protects both people and equipment.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Mitra SK	Exact match	Kolkata, IndiaHQ recorded Sep 28, 2026	1,001-5,000	573 contacts →
	Exact match “MSK is a leading Independent Inspection, Testing and Certification Expert, with a global network of offices and laboratories in 28 countries across 5 continents, with headquarters…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Intedya International Dynamic Advisors	Exact match	Cayes, HaitiHQ recorded Sep 28, 2026	201-500	559 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 · Sep 28, 2026 · View company records in RevenueBase
21	Setsco Services PTE LTD	Exact match	SingaporeHQ recorded Sep 28, 2026	501-1,000	557 contacts →
	Exact match “With 40 years of extensive experience, Setsco Services Pte Ltd is one of Singapore’s largest test and inspection companies accredited by the Singapore Accreditation Council –…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Boslan Ingeniería Y Consultoría	Exact match	Bilbao, SpainHQ recorded Sep 28, 2026	501-1,000	526 contacts →
	Exact match “Boslan, now part of Accenture, is a consolidated and solvent company supported by its numerous references developed for an important portfolio of clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Mahajan & Aibara	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	201-500	458 contacts →
	Exact match “We offer Internal Audit & Risk Consulting related services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Trace Group S.A	Exact match	Neuquén, ArgentinaHQ recorded Sep 28, 2026	201-500	457 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 · Sep 28, 2026 · View company records in RevenueBase
25	VCS Quality Services Pvt. LTD	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	201-500	410 contacts →
	Exact match “VCS Quality Services Pvt.” Recorded in the RevenueBase company graph · Sep 28, 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 “iso audit consultants”. 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 11,784 iso audit consultants worldwide

See the full list, filter by size, metro and specialty, and access 53,814 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Iso audit consultants worldwide at a glance

As of Sep 28, 2026

22.1%Verified-email coverage

20.7Average contacts per company

1-10Median size (employees)

1.5%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

8,043

11-50

2,801

51-200

604

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

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 iso audit consultants are linked below.
What qualifies: Company records worldwide whose business descriptions match “iso audit consultants” 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 53,814 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 September 28, 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.

Iso audit consultants by location

58 lists · largest first

Every Iso audit 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 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 “iso audit consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many iso audit consultants are there worldwide?

RevenueBase identified 11,784 company matches for iso audit consultants worldwide as of September 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?

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

Which country has the most iso audit consultants?

Brazil leads with 906 companies, followed by India (815) and the United States (653). Every iso audit consultants list by country and city is linked on this page.

Which city has the most iso audit consultants?

Sao Paulo leads with 173 company records, followed by Lima (159) and Dubai (109).

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 53,814 professional contacts with verified work emails tracked across these 11,784 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 September 28, 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.