Company lists · Data refreshed September 2026

Top 25 Quality assurance call center software companies worldwide

RevenueBase identified 355 company matches for quality assurance call center software companies worldwide as of September 2026 and tracks 6,931 professional contacts across them, including 1,401 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for quality assurance call center software companies 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 29, 2026. Country and city lists for quality assurance call center software companies 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 29, 2026 How this list was built
355Companies
6,931Contacts tracked
1,401Verified emails
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The 25 largest quality assurance call center software companies worldwide

Ranked by team size
Top 25 of 355 company matches for quality assurance call center software companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchBogotá, ColombiaHQ recorded Sep 29, 2026201-500494 contacts →

Exact match

“Empowering growth-driven technology companies with reliable and efficient software quality assurance solutions, our QA services specialize in QA automation, staff augmentation…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchIndianapolis, IN, United StatesHQ recorded Sep 29, 2026501-1,000417 contacts →

Exact match

“iLAB specializes in Software Quality Assurance services, providing global solutions to our customers.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchHoesbach, United StatesHQ recorded Sep 29, 2026201-500231 contacts →

Exact match

“ASC turns communication into trust.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchBengaluru, IndiaHQ recorded Sep 29, 202651-200206 contacts →

Exact match

“Convin is an Omnichannel AI Agent Platform for customer conversations that turns B2C interactions into revenue.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchMountain View, CA, United StatesHQ recorded Sep 29, 202651-200186 contacts →

Exact match

“Level AI pairs their proprietary AI stack with a unified quality, coaching, automation, and analytics layer.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchFort Myers, FL, United StatesHQ recorded Sep 29, 2026201-500161 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 · Sep 29, 2026 · View company records in RevenueBase
7Exact matchLong Island, FL, United StatesHQ recorded Sep 29, 202651-200155 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 · Sep 29, 2026 · View company records in RevenueBase
8Exact matchChennai, IndiaHQ recorded Sep 29, 202651-200150 contacts →

Exact match

“Codoid Innovations – a futuristic QA Company - offers you innovative technology solutions that are guaranteed to accelerate your business, keep existing customers engaged, and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchMarion, IA, United StatesHQ recorded Sep 29, 202651-200140 contacts →

Exact match

“LimoLink doesn’t just provide the best service in the industry; we provide the best service in any industry.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchRivas-vaciamadrid, SpainHQ recorded Sep 29, 202651-200118 contacts →

Exact match

“Compañía creada en 1995 especializada en el Desarrollo, Instalación, Mantenimiento y Evolución de Soluciones para Contact Centers.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchBannockburn, IL, United StatesHQ recorded Sep 29, 202651-200117 contacts →

Exact match

“ISI Queue Analytics offers unparalleled insights into call queue performance, seamlessly integrating with Cisco, Webex and Microsoft Teams.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchReston, VA, United StatesHQ recorded Sep 29, 202651-20090 contacts →

Exact match

“Since 1988, TrustedQA’s mission has been to help our customers build and deliver quality software more efficiently, effectively, and securely.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchEthekwini, South AfricaHQ recorded Sep 29, 202651-20088 contacts →

Exact match

“Our approach has been specifically designed with operational delivery in mind.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchDurban, South AfricaHQ recorded Sep 29, 202651-20083 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchCoeur D'alene, ID, United StatesHQ recorded Sep 29, 202651-20078 contacts →

Exact match

“SQM GROUP SQM Group is a software company specializing in automated QA for call center agents.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchHamburg, GermanyHQ recorded Sep 29, 202651-20070 contacts →

Exact match

“Kundenservice ist der Schlüssel zu einem nachhaltigen wirtschaftlichen Erfolg und langfristiger Kundenbindung.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchLos Angeles, CA, United StatesHQ recorded Sep 29, 202651-20060 contacts →

Exact match

“Home of CSAT.AI.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchIrelandHQ recorded Sep 29, 202611-5059 contacts →

Exact match

“Scorebuddy is a cloud based All in One Quality Assurance software platform for Contact Center professionals; used to Find, Fix and Measure quality issues resulting in a great…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchRochester, NY, United StatesHQ recorded Sep 29, 202611-5057 contacts →

Exact match

“Wilmac Technologies delivers AI-powered customer interaction and workforce optimization solutions that put people first.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchKraków, PolandHQ recorded Sep 29, 2026501-1,00054 contacts →

Exact match

“Od 2008 roku świadczymy usługi dla wciąż rosnącego grona Klientów, zachowując najwyższe standardy jakości i obsługi.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchColombo 03, Sri LankaHQ recorded Sep 29, 202611-5049 contacts →

Exact match

“Duo Software is a leading provider of contact center management software for corporations across highly competitive industries in Sri Lanka.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchAlpharetta, GA, United StatesHQ recorded Sep 29, 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 · Sep 29, 2026 · View company records in RevenueBase
23Exact matchAbingdon, United KingdomHQ recorded Sep 29, 202611-5047 contacts →

Exact match

“ZigZag QA is your trusted worldwide quality leader, offering true global reach and unrivaled expertise to reduce risk and efforts.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchSouth Jordan, UT, United StatesHQ recorded Sep 29, 202651-20046 contacts →

Exact match

“Xima Software is dedicated to enabling companies to better manage their business through innovative contact center solutions.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchAllen, TX, United StatesHQ recorded Sep 29, 202651-20046 contacts →

Exact match

“Founded in 1993 and headquartered in Allen, Texas, TelStrat® develops comprehensive contact center solutions, including the Engage WFO™ which features award-winning technology…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 355 quality assurance call center software companies worldwide

See the full list, filter by size, metro and specialty, and access 1,401 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Quality assurance call center software companies worldwide at a glance

As of Sep 29, 2026
20.2%Verified-email coverage
19.5Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
135
11-50
141
51-200
58
201-500
13
501-1,000
5
1,001-5,000
1
5,001-10,000
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 quality assurance call center software companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “quality assurance call center software companies” 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 1,401 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 29, 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.

Quality assurance call center software companies by location

1 lists · largest first

Every Quality assurance call center software companies 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 “quality assurance call center software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many quality assurance call center software companies are there worldwide?

RevenueBase identified 355 company matches for quality assurance call center software companies 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?

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

Which country has the most quality assurance call center software companies?

The United States leads with 94 companies. Every quality assurance call center software companies list by country and city is linked on this page.

Which city has the most quality assurance call center software companies?

London leads with 5 company records, followed by Paris (5) and Sao Paulo (5).

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 1,401 professional contacts with verified work emails tracked across these 355 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 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 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.