Company lists · Data refreshed September 2026
Top 25 Quality assurance auditors worldwide
RevenueBase identified 257 quality assurance auditors worldwide as of September 2026 and tracks 6,569 professional contacts across them, including 1,474 with verified work emails. The United States is the largest market and London the largest hub.
This list covers quality assurance auditors 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 assurance auditors 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.
The 25 largest quality assurance auditors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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, 2026Thanks. The Data Team will review it. | |||||
| 2 | 211 contacts → | ||||
Partial evidence “Pro QC International provides tailored quality solutions with a human touch in 100 countries.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 140 contacts → | ||||
Partial evidence “Vanaf 1 januari 2026 zijn Qualicor Europe en Perspekt één organisatie: Qualicor Europe.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 95 contacts → | ||||
Indirect evidence “From Global QA and QC Partners to Full Fledged Digital Transformation Organization, We've got you covered!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 80 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 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 70 contacts → | ||||
Strong evidence “Qniverse is your trusted Quality Assurance service partner that stands at the forefront of a paradigm shift in QA by redefining quality.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 68 contacts → | ||||
Strong evidence “Com o objetivo de assegurar a qualidade e manter um elevado nível de segurança e confiabilidade, a FLEX AERO possui um sistema de controle de qualidade que consta com auditorias…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 65 contacts → | ||||
Strong evidence “HOLLEN specializes in quality assurance for automotive OEM manufacturers and their suppliers, ensuring defect-free parts that meet the highest industry standards.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 47 contacts → | ||||
Partial evidence “ZigZag QA is your trusted worldwide quality leader, offering true global reach and unrivaled expertise to reduce risk and efforts.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 41 contacts → | ||||
Partial evidence “We believe in quality without compromise, and resolve quality issues more efficiently, and accurately, by holding ourselves to a documented, higher standard.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 37 contacts → | ||||
Strong evidence “Tendable offers a complete quality assurance solution to provide health and social care professionals the appropriate tools they need for quality audit, insight and assurance…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 29 contacts → | ||||
Indirect evidence “De core business van BouwQ is het leveren van integrale kwaliteitstoetsen voor bouwwerken, teneinde de grootst mogelijke zekerheid te bieden wat betreft de technische kwaliteit…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 29 contacts → | ||||
Indirect evidence “Organizações que produzem ou utilizam produtos de alta tecnologia têm como fator determinante de sucesso o pleno funcionamento destas tecnologias.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 28 contacts → | ||||
Strong evidence “Established in 2017 with an objective of providing distinguished quality assurance across a range of business services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 23 contacts → | ||||
Indirect evidence “Somos una empresa sorteadora dedicada a prestar servicios de aseguramiento de calidad a través de inspecciones y retrabajos de materiales, así como representación (nacionales y…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 21 contacts → | ||||
Strong evidence “Cherish DEV is a professional Quality Assurance company.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 16 contacts → | ||||
Strong evidence “Our company, headquartered in Craiova / Romania, specializes in quality assurance services such as inspections and rework activities for components or system modules carried out…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 12 contacts → | ||||
Indirect evidence “Independent QA/QC Services Inc.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 11 contacts → | ||||
Indirect evidence “Uw Partner in Kwaliteitsborging voor het bouwen.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 11 contacts → | ||||
Indirect evidence “QAM is the leadding QA/QC provider to the technology industry” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 10 contacts → | ||||
Indirect evidence “We offer a full spectrum of QA services, from supporting your QA teams to setting up a comprehensive QA process from scratch.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 10 contacts → | ||||
Indirect evidence “Morrison Insurance Service Co, or MISCO, was founded in 1959.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 10 contacts → | ||||
Indirect evidence “Quick Check nasce nel con lo scopo di fornire un servizio alle aziende che intendono implementare, migliorare e mantenere stabile il livello di affidabilità del proprio processo…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 9 contacts → | ||||
Partial evidence “Care 4 Quality offers many services, each of which is tailored completely to your care service and business needs and with a wealth of experience in managing various care…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 9 contacts → | ||||
Strong evidence “Pinpoint QC provides our clients with independent and unbiased methods to quality assurance in digital media and post-production mastering.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
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 assurance auditors. 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 assurance auditors.
- Partial evidence
- Its own public description names part of quality assurance auditors, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name quality assurance auditors. 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.
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Quality assurance auditors worldwide at a glance
As of Sep 21, 2026Companies by employee count
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 assurance auditors, 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 assurance auditors are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “quality assurance auditors”. 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 assurance auditors), 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 assurance auditors, 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, 1,474 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 assurance auditors by location
1 lists · largest firstEvery Quality assurance auditors 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 quality assurance auditors, 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 assurance auditors are there worldwide?
RevenueBase identified 257 quality assurance auditors 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 quality assurance auditors?
The United States leads with 46 companies. Every quality assurance auditors list by country and city is linked on this page.
Which city has the most quality assurance auditors?
London leads with 4 headquartered companies, followed by Sao Paulo (3) and Ankara (2).
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 1,474 verified decision-maker contacts tracked across these 257 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.