Company lists · Data refreshed November 2026

Top 25 Compatibility testing service providers worldwide

RevenueBase identified 226 company matches for compatibility testing service providers worldwide as of November 2026 and tracks 2,428 professional contacts across them, including 618 with verified work emails. India is the largest market and London the largest hub.

This list covers company matches for compatibility testing service providers 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 compatibility testing service providers 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
226Companies
2,428Contacts tracked
618Verified emails
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The 25 largest compatibility testing service providers worldwide

Ranked by team size
Top 25 of 226 company matches for compatibility testing service providers 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 matchBoise, ID, United StatesHQ recorded Nov 6, 202651-200173 contacts →

Exact match

“AI writes code faster than your team can review it.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAurora, CO, United StatesHQ recorded Nov 6, 202651-20097 contacts →

Exact match

“Founded in and located in metro Denver, Colorado, iBeta Quality Assurance specializes in “QA on Demand” for software: functionality, compatibility, security, load/performance…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPortland, OR, United StatesHQ recorded Nov 6, 202651-20085 contacts →

Exact match

“PLUS QA makes software testing simple.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchRedding, CA, United StatesHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“Shasta QA is an American OurSourcing software-testing company with offices located in Northern California and the Midwest.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAhmedabad, IndiaHQ recorded Nov 6, 202651-20073 contacts →

Exact match

“As a leading provider of software quality assurance/testing services, we leverage cutting-edge testing strategies and tools to deliver comprehensive and tailored QA/testing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHyderabad, IndiaHQ recorded Nov 6, 202651-20072 contacts →

Exact match

“ClicQA is an Independent Software Testing company dedicated to cater a wide range of software testing services to clients across the globe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchThorigné Fouillard (rennes), FranceHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“KEREVAL laboratoire indépendant d’ingénierie de tests, est reconnu comme un des spécialistes de la qualité logicielle.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“TADTELMAX is a Worldwide Testing House Company offering the best in class Mobile Testing Services for an End-to-End Product and Software Homologation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact match千代田区, JapanHQ recorded Nov 6, 2026501-1,00064 contacts →

Exact match

“VALTES CO,LTD aims at maximizing added value through software testing, educational consulting, and content testing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBarueri, BrazilHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“A 4Win é especializada em teste e homologação de sistemas, nosso trabalho consiste em encontrar erros minuciosos de forma holística, trabalhamos com diversas plataformas e…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMontevideo, UruguayHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“We help release effective, fast and secure applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDoncaster, United KingdomHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“At Kudos QA, we are committed to delivering top-tier software and gaming quality assurance, ensuring optimal performance, reliability, and user satisfaction across diverse…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBarueri, BrazilHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“A QARTI é uma empresa especializada em garantir a qualidade de sistemas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAsnières-sur-seine, FranceHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“La passion du Digital Testing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLeusden, NetherlandsHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“BQA is een bedrijf waarbij de medewerker centraal staat.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchHortolândia, BrazilHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“Excelência em Ensaios de Compatibilidade Eletromagnética e Certificação de Produtos!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBudapest, HungaryHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“Since 2006, Passed has been helping medium and large enterprises deliver stable, secure and business-critical software through independent software testing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMolsheim, FranceHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“YggVal accompagne les entreprises dans la phase de validation d’un produit, avant et après sa mise sur le marché, qu’il soit matériel ou logiciel, que ce soient des applications…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPune, IndiaHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Enticesoft is a Quality Engineering and AI Test Automation company helping enterprises accelerate software delivery while reducing testing effort and maintenance costs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchPort Louis, MauritiusHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“Rubric is a Mauritius-headquartered digital consulting and technology company with a growing regional presence across Africa and the Indian Ocean region.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMontevideo, UruguayHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“Abstracta is a world leading company specialized in Software Testing Services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchGuadalajara, MexicoHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“e-Quallity es un corporativo especializado en Prueba de Software, pioneros de la disciplina en México, con más de 18 años de experiencia industrial y un respaldo…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNoida, IndiaHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“UpDoer Technology is an independent software testing and QA company and have established with the aim to deliver high quality products according to the current market trends with…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNavi Mumbai, IndiaHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“Tionix Solutions PVT LTD Is A Software Development & Testing Company Head Office Based In Mumbai With regional Office in UAE,UK and US.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchJena, GermanyHQ recorded Nov 6, 202651-20025 contacts →

Exact match

“Do you want to put your software to the test?”

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

Showing 25 of 226 compatibility testing service providers worldwide

See the full list, filter by size, metro and specialty, and access 618 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Compatibility testing service providers worldwide at a glance

As of Nov 6, 2026
25.5%Verified-email coverage
10.7Average contacts per company
11-50Median size (employees)
2.7%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
95
11-50
83
51-200
42
201-500
2
501-1,000
2

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 compatibility testing service providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “compatibility testing service providers” 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 618 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.

Compatibility testing service providers by location

1 lists · largest first

Every Compatibility testing service providers 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 “compatibility testing service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many compatibility testing service providers are there worldwide?

RevenueBase identified 226 company matches for compatibility testing service providers 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?

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

Which country has the most compatibility testing service providers?

India leads with 40 companies. Every compatibility testing service providers list by country and city is linked on this page.

Which city has the most compatibility testing service providers?

London leads with 6 company records, followed by Chennai (5) and Hyderabad (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 618 professional contacts with verified work emails tracked across these 226 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.