Company lists · Data refreshed September 2026

Top 25 Supplier audit services worldwide

RevenueBase identified 655 supplier audit services worldwide as of September 2026 and tracks 10,327 professional contacts across them, including 2,104 with verified work emails. China is the largest market and Shenzhen the largest hub.

This list covers supplier audit services 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 29, 2026. Country and city lists for supplier audit services 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 29, 2026 86% judged on-target in blind review
655Companies
10,327Contacts tracked
2,104Verified emails
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The 25 largest supplier audit services worldwide

Ranked by team size
Top 25 of 655 supplier audit services worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to supplier audit services: 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 evidenceKowloon, Hong KongHQ checked Sep 29, 202610001+3,802 contacts →

Indirect 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 29, 2026
2Indirect evidenceShanghai / 上海市, ChinaHQ checked Sep 29, 2026n/a530 contacts →

Indirect evidence

“Marjane Holding now controls three distributions centers all over the kingdom of Morocco, Marjane with 40 hypermarkets, Acima with 38 supermarkets and Electroplanet with 24 home…”

Source: RevenueBase Database · checked Sep 29, 2026
3Indirect evidenceCardiff, United KingdomHQ checked Sep 29, 20261,001-5,000453 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026
4Indirect evidenceBrussels, BelgiumHQ checked Sep 29, 2026201-500267 contacts →

Indirect evidence

“The Eurofins Consumer Products Assurance (CPA) network of companies offers comprehensive supply chain assurance to various industries on their quests towards compliance and…”

Source: RevenueBase Database · checked Sep 29, 2026
5Partial evidenceLondon, United KingdomHQ checked Sep 29, 20261,001-5,000250 contacts →

Partial evidence

“Since 1987 HQTS has delivered product inspections, factory audits, testing and quality consulting throughout Asia.”

Source: RevenueBase Database · checked Sep 29, 2026
6Strong evidenceFrankfurt, GermanyHQ checked Sep 29, 202651-200216 contacts →

Strong evidence

“Since 2019, Qualifyze has transformed supplier audits into a strategic advantage for Life Sciences companies.”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceMchenry, IL, United StatesHQ checked Sep 29, 2026501-1,000211 contacts →

Indirect evidence

“Pro QC International provides tailored quality solutions with a human touch in 100 countries.”

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidenceLewis Center, OH, United StatesHQ checked Sep 29, 202651-200158 contacts →

Indirect evidence

“MES builds resilient supply chains that protect manufacturers from global volatility, including tariffs, disruptions, shortages, and the unexpected pressures that threaten…”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceCardiff, United KingdomHQ checked Sep 29, 2026501-1,000104 contacts →

Indirect evidence

“Creating Safer Workplaces for Everyone.”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceDayton, OH, United StatesHQ checked Sep 29, 202611-5080 contacts →

Indirect evidence

“Since 1994, EAGLE has built an excellent reputation by providing third party auditing services that are objective and value-added.”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceShanghai, ChinaHQ checked Sep 29, 2026201-50078 contacts →

Indirect evidence

“ET2C International is a British owned and managed global sourcing company that is focused on adding value to and reducing risk for our clients in their global sourcing activities.”

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceOxfordshire, United KingdomHQ checked Sep 29, 202651-20063 contacts →

Indirect evidence

“Founded by Frank Miller, Track Record Global are passionate about the future of the planet.”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceSanta Maria, CA, United StatesHQ checked Sep 29, 202651-20056 contacts →

Indirect evidence

“Overview: Headquartered in Santa Maria, CA, Primus Auditing Ops provides the fresh produce industry with specialized services related to the safe production and handling of…”

Source: RevenueBase Database · checked Sep 29, 2026
14Indirect evidenceHong KongHQ checked Sep 29, 202651-20051 contacts →

Indirect evidence

“We are dedicated professionals leading in quality control for global sourcing, helping you thrive in the digital economy.”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceKowloon, Hong KongHQ checked Sep 29, 2026201-50051 contacts →

Indirect evidence

“API is a company member or Worms Safety Group, specializes in Home Equipment quality management for: • Toys • Furniture (indoor and outdoor) • Home Improvement / DIY • Home decor…”

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceShanghai, ChinaHQ checked Sep 29, 202651-20051 contacts →

Indirect evidence

“Asia IBS es una empresa líder en la realización de inspecciones de calidad y desarrollo de proyectos, asociada con marcas, tiendas e importadores alrededor del mundo para…”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidencePinhais, BrazilHQ checked Sep 29, 202651-20051 contacts →

Indirect evidence

“A Executiva Outsourcing investe em inovação e tecnologia para gestão de terceiros e fornecedores desde 1998, conquistando a liderança no seu segmento.”

Source: RevenueBase Database · checked Sep 29, 2026
18Partial evidenceGlasgow, United KingdomHQ checked Sep 29, 202651-20050 contacts →

Partial evidence

“International Associates (IA) is a leading provider of assessment, audit, verification, certification and training services.”

Source: RevenueBase Database · checked Sep 29, 2026
19Strong evidenceCopenhagen, DenmarkHQ checked Sep 29, 202611-5046 contacts →

Strong evidence

“Qarma is a cloud-based SaaS solution that empowers brands, retailers, importers and manufacturers to digitize quality inspections, supplier audits and product compliance…”

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidenceBuenos Aires, ArgentinaHQ checked Sep 29, 202611-5043 contacts →

Indirect evidence

“Laborem Certificación Laboral S.A, líder en el mercado, de certificación y calificación de proveedores, se constituye como una herramienta indispensable de gestión, que permite…”

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceUnited StatesHQ checked Sep 29, 202611-5035 contacts →

Indirect evidence

“Tradeverifyd® is the Trade Intelligence Platform that helps supply chain, procurement, and compliance teams ask questions of their supply chain - and get answers before a crisis…”

Source: RevenueBase Database · checked Sep 29, 2026
22Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 29, 202611-5034 contacts →

Indirect evidence

“International Compliance Group is a privately-held US-based organization focused on social compliance.”

Source: RevenueBase Database · checked Sep 29, 2026
23Partial evidenceBromley, United KingdomHQ checked Sep 29, 2026501-1,00028 contacts →

Partial evidence

“RAS Supply Chain Integrity is the global authority in stock integrity audit and supply chain stock compliance.”

Source: RevenueBase Database · checked Sep 29, 2026
24Partial evidenceAmsterdam, NetherlandsHQ checked Sep 29, 202611-5025 contacts →

Partial evidence

“Every audit, certification, KYC and risk assessment your buyers, auditors and regulators require, automated across your entire value chain.”

Source: RevenueBase Database · checked Sep 29, 2026
25Partial evidenceIrvine, CA, United StatesHQ checked Sep 29, 202651-20025 contacts →

Partial evidence

“GRMS is the recognized leader in providing customizable supplier risk assessment programs in over 120 countries worldwide.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 655 supplier audit services worldwide

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Supplier audit services worldwide at a glance

As of Sep 29, 2026
20.4%Verified-email coverage
15.8Average contacts per company
11-50Median size (employees)
6.0%Largest-city concentration · Shenzhen
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
284
11-50
210
51-200
107
201-500
35
501-1,000
5
1,001-5,000
8
5,001-10,000
1
10001+
4

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 supplier audit services, 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 supplier audit services are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “supplier audit services”. 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 supplier audit services), 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 supplier audit services, 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, 2,104 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 29, 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.

Supplier audit services by location

4 lists · largest first

Every Supplier audit services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 supplier audit services, 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 supplier audit services are there worldwide?

RevenueBase identified 655 supplier audit services 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?

Bureau Veritas Consumer Products Services, headquartered in Kowloon, tops this list with the largest team on record.

Which country has the most supplier audit services?

China leads with 153 companies, followed by India (60) and the United States (58). Every supplier audit services list by country and city is linked on this page.

Which city has the most supplier audit services?

Shenzhen leads with 39 headquartered companies, followed by Guangzhou (14) and Hong Kong (12).

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 2,104 verified decision-maker contacts tracked across these 655 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 29, 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.