Company lists · Data refreshed November 2026

Top 25 User acceptance testing firms worldwide

RevenueBase identified 357 company matches for user acceptance testing firms worldwide as of November 2026 and tracks 7,463 professional contacts across them, including 1,746 with verified work emails. India is the largest market and Pune the largest hub.

This list covers company matches for user acceptance testing firms 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 user acceptance testing firms 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
357Companies
7,463Contacts tracked
1,746Verified emails
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The 25 largest user acceptance testing firms worldwide

Ranked by team size
Top 25 of 357 company matches for user acceptance testing firms 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 matchDecatur, United StatesHQ recorded Nov 6, 20261,001-5,0001,071 contacts →

Exact match

“a1qa is a global software testing and QA outsourcing company trusted by IT firms and Fortune 500 enterprises to deliver software quality that holds under real-world pressure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchFalls Church, VA, United StatesHQ recorded Nov 6, 202651-200419 contacts →

Exact match

“For 15 years, Astegic has been helping Fortune 500 through startup companies with their Testing & QA needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAtlanta, United StatesHQ recorded Nov 6, 2026201-500395 contacts →

Exact match

“Tescom is one of the world's largest independent Software Quality Assurance companies and a pioneer in the industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMarkham, ON, CanadaHQ recorded Nov 6, 2026201-500264 contacts →

Exact match

“Miipe is an independent software testing consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBangalore, IndiaHQ recorded Nov 6, 202651-200189 contacts →

Exact match

“QSG (Quality Service Group) is an independent Software testing and test automation company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMilan, ItalyHQ recorded Nov 6, 202651-200182 contacts →

Exact match

“UNGUESS is a cutting-edge crowdsourcing platform that offers quick, effective tests and real insights whenever you need them.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNoida, TX, IndiaHQ recorded Nov 6, 202651-200182 contacts →

Exact match

“About HikeQA We are an independent Quality Assurance company who is successfully delivering robust QA and testing solutions for every type of software and mobile applications for…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBangkok, ThailandHQ recorded Nov 6, 2026201-500178 contacts →

Exact match

“Founded in 2019, Doppio Tech specializes in Software Quality Assurance, offering Manual Testing, Automation, Performance Testing, and Test Transformation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSaint-jérôme, QC, CanadaHQ recorded Nov 6, 2026201-500164 contacts →

Exact match

“Huwiz Solutions is a group of Game Industry veterans sharing expansive experience in Quality Assurance and Project Management aiming to add value to the design and production of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchTel Aviv, IsraelHQ recorded Nov 6, 2026201-500153 contacts →

Exact match

“Tesnet Group is Israel leading specialist software testing company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchChennai, IndiaHQ recorded Nov 6, 202651-200146 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHo Chi Minh City, VietnamHQ recorded Nov 6, 2026201-500130 contacts →

Exact match

“Founded in 2016 in Ho Chi Minh City, SHIFT ASIA operates independently from its Tokyo-based headquarter company, SHIFT Inc, which was established in 2005.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNY, United StatesHQ recorded Nov 6, 202651-200121 contacts →

Exact match

“RTTS is the premier pure-play QA & Testing organization that specializes in Test Automation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNoida, WY, IndiaHQ recorded Nov 6, 202651-200112 contacts →

Exact match

“Accessible Minds Tech is your reliable QA partner for functional and non-functional accessibility testing for a wide range of industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchNorth Sydney, AustraliaHQ recorded Nov 6, 2026201-500110 contacts →

Exact match

“AccessHQ is a specialist quality assurance and testing organisation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCheltenham, United KingdomHQ recorded Nov 6, 202611-50100 contacts →

Exact match

“Digivante helps ecommerce brands unify their QA, UX, & UAT into one seamless solution; improving speed, insight, and conversion.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchAmersfoort, NetherlandsHQ recorded Nov 6, 202651-20097 contacts →

Exact match

“English: Polteq is an independent provider of international software testing services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact 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
19Exact matchLondon, SingaporeHQ recorded Nov 6, 202651-20088 contacts →

Exact match

“Hastraa Consulting Services is a global Software Testing & Quality Assurance Services organisation headquartered in Singapore.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchOslo, NorwayHQ recorded Nov 6, 202611-5086 contacts →

Exact match

“SOCO er et IT-konsulentselskap som jobber utelukkende med software testing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact 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
22Exact matchMoscow, RussiaHQ recorded Nov 6, 202651-20082 contacts →

Exact match

“Лаборатория Качества – это полный цикл услуг в области тестирования ПО.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact 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
24Exact matchCopenhagen, DenmarkHQ recorded Nov 6, 202651-20073 contacts →

Exact match

“Vi er en virksomhed, der samler de dygtigste konsulenter I Danmark indenfor test og kvalitetssikring.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact 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

Showing 25 of 357 user acceptance testing firms worldwide

See the full list, filter by size, metro and specialty, and access 1,746 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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User acceptance testing firms worldwide at a glance

As of Nov 6, 2026
23.4%Verified-email coverage
20.9Average contacts per company
11-50Median size (employees)
3.1%Largest-city concentration · Pune
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
174
11-50
120
51-200
42
201-500
15
501-1,000
3
1,001-5,000
3

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 user acceptance testing firms are linked below.
What qualifies
Company records worldwide whose business descriptions match “user acceptance testing firms” 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 1,746 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.

User acceptance testing firms by location

2 lists · largest first

Every User acceptance testing firms 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 “user acceptance testing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many user acceptance testing firms are there worldwide?

RevenueBase identified 357 company matches for user acceptance testing firms 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?

A1qa tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most user acceptance testing firms?

India leads with 64 companies, followed by the United States (51). Every user acceptance testing firms list by country and city is linked on this page.

Which city has the most user acceptance testing firms?

Pune leads with 11 company records, followed by Bangalore (9) and London (7).

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 1,746 professional contacts with verified work emails tracked across these 357 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.