Company lists · Data refreshed November 2026

Top 25 Customer service quality auditors worldwide

RevenueBase identified 216 company matches for customer service quality auditors worldwide as of November 2026 and tracks 4,070 professional contacts across them, including 286 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for customer service quality auditors 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 November 6, 2026. Country and city lists for customer service quality auditors 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 Nov 6, 2026 How this list was built
216Companies
4,070Contacts tracked
286Verified emails
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The 25 largest customer service quality auditors worldwide

Ranked by team size
Top 25 of 216 company matches for customer service quality auditors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMchenry, IL, United StatesHQ recorded Nov 6, 2026501-1,000219 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchFort Myers, FL, United StatesHQ recorded Nov 6, 2026201-500201 contacts →

Exact match

“J.Lodge first opened its doors in and has become the recognized leader in the science of contact center monitoring and analysis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLong Island, FL, United StatesHQ recorded Nov 6, 202651-200167 contacts →

Exact match

“BPA Quality is a woman owned business that provides contact centers with the insights to engineer great customer experiences every time through our expertise in quality…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSingaporeHQ recorded Nov 6, 202651-200113 contacts →

Exact match

“AQ Services International is about changing the world of customer service, through our mission:'Driving Front line Performance'.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchJakarta, IndonesiaHQ recorded Nov 6, 202651-200113 contacts →

Exact match

“Morrigan Services is a one stop service quality provider focusing on Mystery Shopper, Integrity Audit, Service Operational Audit, Service Blueprint and Service Training.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchDurban, South AfricaHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“We are a specialist independent interaction quality monitoring service based in Durban, South Africa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchDayton, OH, United StatesHQ recorded Nov 6, 202611-5076 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAsnières-sur-seine, FranceHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“Smice is 17 years of expertise to guarantee the quality of customer journeys.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchOyonnax, FranceHQ recorded Nov 6, 2026201-50053 contacts →

Exact match

“Nos interventions: Dans le cadre de missions ponctuelles aussi bien que d’audits, nous avons acquis au fil des années toute l’expérience qui, associée à nos méthodes, vous…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAlpharetta, GA, United StatesHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“Concentra Solutions maximizes contact center performance through Quality Assurance, specializing in Compliance and Customer Experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMinneapolis, United StatesHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“GLOBAL MYSTERY SHOPPING & CX AUDITS Serving US & Europe for 30+ years-enhancing business growth through superior customer experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSeville, SpainHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Take a Tip es una consultora especializada en proporcionar a las empresas medios con los que conseguir la excelencia en la calidad de los servicios que prestan a sus clientes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBuenos Aires, ArgentinaHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“Shop’n Chek is a leading firm specializing in Customer Experience, Quality, and Customer Service audits with over 19 years of experience serving clients across Latin America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchKalyani, IndiaHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“Established in 2017 with an objective of providing distinguished quality assurance across a range of business services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMadrid, SpainHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“At GDI, we are proud to be recognized as the world’s leading hotel quality assurance audit company, dedicated solely to the hospitality industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMaumee, OH, United StatesHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“Since our founding in 1974, Alta360 Research has been at the forefront helping clients of all types deliver Great Customer Experiences.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLe Chesnay, FranceHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“Avec enquêtes réalisées chaque année en France et à l'international, QUALISENS est, depuis 2001, un des leaders français de l’audit de la qualité de service, membre depuis…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchDaytona Beach, FL, United StatesHQ recorded Nov 6, 202651-20022 contacts →

Exact match

“We all know when customer service is excellent – and when it’s not!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLeiden, NetherlandsHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“TQIS is de onafhankelijke expert in kwaliteitscontrole van klantcontact, klantbeleving en integriteitsoplossingen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSuresnes, FranceHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Depuis 1983, Orphée accompagne les entreprises et les réseaux dans la mesure et l’amélioration de l’expérience client.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchDublin, IrelandHQ recorded Nov 6, 20261-1013 contacts →

Exact match

“PAN Research are the leading mystery shopping agency in Ireland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNovato, CA, United StatesHQ recorded Nov 6, 202651-20012 contacts →

Exact match

“Morrison Insurance Service Co, or MISCO, was founded in 1959.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchIndiaHQ recorded Nov 6, 202611-5011 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchOrange, CT, United StatesHQ recorded Nov 6, 202651-20010 contacts →

Exact match

“Specializing in professional remote call monitoring and telephone mystery shopping for any industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchArgentinaHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Somos especialistas en implementar programas de calidad de atención al cliente basados en MYSTERY SHOPPING.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 216 customer service quality auditors worldwide

See the full list, filter by size, metro and specialty, and access 286 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Customer service quality auditors worldwide at a glance

As of Nov 6, 2026
7.0%Verified-email coverage
18.8Average contacts per company
1-10Median size (employees)
2.3%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
114
11-50
60
51-200
30
201-500
6
501-1,000
3
5,001-10,000
1
10001+
1

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 customer service quality auditors are linked below.
What qualifies
Company records worldwide whose business descriptions match “customer service quality auditors” 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 286 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 November 6, 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.

Customer service quality auditors by location

1 lists · largest first

Every Customer service quality 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 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 “customer service quality auditors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer service quality auditors are there worldwide?

RevenueBase identified 216 company matches for customer service quality auditors worldwide as of November 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?

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

Which country has the most customer service quality auditors?

The United States leads with 27 companies. Every customer service quality auditors list by country and city is linked on this page.

Which city has the most customer service quality auditors?

Sao Paulo leads with 5 company records, followed by Barcelona (3) and Buenos Aires (3).

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 286 professional contacts with verified work emails tracked across these 216 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 November 6, 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.