Company lists · Data refreshed September 2026

Top 25 Performance testing staffing companies worldwide

RevenueBase identified 2,907 performance testing staffing companies worldwide as of September 2026 and tracks 47,276 professional contacts across them, including 7,611 with verified work emails. The United States is the largest market and London the largest hub.

This list covers performance testing staffing companies 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 29, 2026. Country and city lists for performance testing staffing companies 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
2,907Companies
47,276Contacts tracked
7,611Verified emails
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The 25 largest performance testing staffing companies worldwide

Ranked by team size
Top 25 of 2,907 performance testing staffing companies worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to performance testing staffing companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceMumbai, IndiaHQ checked Sep 29, 20261,001-5,0001,636 contacts →

Indirect evidence

“AQM Technologies Pvt.”

Source: RevenueBase Database · checked Sep 29, 2026
2Partial evidenceGreenville, United StatesHQ checked Sep 29, 2026201-5001,187 contacts →

Partial evidence

“TRS Staffing Solutions is a world leading engineering recruitment agency specialising in the recruitment and supply of professional, engineering, technical and field talent.”

Source: RevenueBase Database · checked Sep 29, 2026
3Indirect evidenceLima, PeruHQ checked Sep 29, 202610001+1,054 contacts →

Indirect evidence

“En Manpower creemos en las personas y en el papel que representa el trabajo en sus vidas.”

Source: RevenueBase Database · checked Sep 29, 2026
4Partial evidenceDecatur, GA, United StatesHQ checked Sep 29, 20261,001-5,000980 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 29, 2026
5Partial evidenceAtlanta, GA, United StatesHQ checked Sep 29, 20261,001-5,000901 contacts →

Partial evidence

“RemX is the professional staffing division of EmployBridge, a $3 billion staffing organization with more than 600 offices in the U.S.”

Source: RevenueBase Database · checked Sep 29, 2026
6Strong evidenceKalamazoo, MI, United StatesHQ checked Sep 29, 20261,001-5,000653 contacts →

Strong evidence

“Trillium Staffing Solutions is an employment service specializing in staffing, training, testing, on-site services, human resources and safety consulting.”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceOrange, CA, United StatesHQ checked Sep 29, 20265,001-10,000584 contacts →

Indirect evidence

“A Six Sigma Company ~61 years in the industry ~Nationwide 4 million+ candidate database ~Fortune Company ~Extensive E-Recruiting capabilities ~Reference and Employment check…”

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidenceBogotá, ColombiaHQ checked Sep 29, 2026201-500494 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceBurlington, MA, United StatesHQ checked Sep 29, 2026201-500468 contacts →

Indirect evidence

“For the last sixty years Entegee has provided Fortune 500 and other companies with highly qualified engineering and technical personnel.”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceSouthfield, MI, United StatesHQ checked Sep 29, 20261,001-5,000447 contacts →

Indirect evidence

“Trusted for Talent.”

Source: RevenueBase Database · checked Sep 29, 2026
11Partial evidenceSan Mateo, CA, United StatesHQ checked Sep 29, 2026501-1,000403 contacts →

Partial evidence

“We are celebrating 30 years of testing excellence and innovation at LogiGear, we're proud to be a cornerstone in our clients' journeys, delivering confidence not just in our…”

Source: RevenueBase Database · checked Sep 29, 2026
12Partial evidenceMumbai, IndiaHQ checked Sep 29, 2026201-500386 contacts →

Partial evidence

“With a team comprising of the best QA minds and Certified Software Testing Specialists, we provide seamless Quality Assurance & Software testing solutions for your DESKTOP, WEB…”

Source: RevenueBase Database · checked Sep 29, 2026
13Partial evidenceHyderabad, IndiaHQ checked Sep 29, 202651-200373 contacts →

Partial evidence

“W3Softech is an Independent QA services company specializing in Functional, Automation, non-functional testing services.”

Source: RevenueBase Database · checked Sep 29, 2026
14Partial evidenceAldie, VA, United StatesHQ checked Sep 29, 202651-200356 contacts →

Partial evidence

“Vyze Inc is a leading IT staffing company that helps small and big organizations acquire, engage and retain the right talents, when and how you need them, such as contract-hire…”

Source: RevenueBase Database · checked Sep 29, 2026
15Partial evidenceTX, United StatesHQ checked Sep 29, 2026501-1,000347 contacts →

Partial evidence

“Quality Professionals (Q-Pros) is a global independent software Quality Assurance and Testing services provider supporting enterprise and government organizations.”

Source: RevenueBase Database · checked Sep 29, 2026
16Partial evidenceChicago, IL, United StatesHQ checked Sep 29, 202651-200310 contacts →

Partial evidence

“Connect Search, LLC is a boutique staffing firm founded by a group of partners who share the same vision and are all recruiters at heart.”

Source: RevenueBase Database · checked Sep 29, 2026
17Partial evidenceFarmington, CT, United StatesHQ checked Sep 29, 202651-200302 contacts →

Partial evidence

“iTech is a national IT staffing and recruiting firm.”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidencePune, IndiaHQ checked Sep 29, 2026201-500285 contacts →

Indirect evidence

“Welcome to Qualitia - The Pioneers in Simplifying Test Automation!”

Source: RevenueBase Database · checked Sep 29, 2026
19Partial evidenceWarrenville, IL, United StatesHQ checked Sep 29, 202651-200257 contacts →

Partial evidence

“IT Associates is a boutique IT staffing and recruiting firm that provides full service contract, contract for hire, direct placement, pay rolling, and co-managed services…”

Source: RevenueBase Database · checked Sep 29, 2026
20Strong evidenceLos Angeles, CA, United StatesHQ checked Sep 29, 2026501-1,000250 contacts →

Strong evidence

“Kett Engineering Corporation has been operating for over 60 years and has spent the past 28 years dedicating its services to supporting the automotive testing and staffing needs…”

Source: RevenueBase Database · checked Sep 29, 2026
21Partial evidenceMarkham, ON, CanadaHQ checked Sep 29, 2026201-500245 contacts →

Partial evidence

“Miipe is an independent software testing consultancy.”

Source: RevenueBase Database · checked Sep 29, 2026
22Indirect evidenceBengaluru, IndiaHQ checked Sep 29, 2026201-500244 contacts →

Indirect evidence

“Qualitrix is a Trust Engineering company helping enterprises build, modernize, and scale reliable digital and AI systems with confidence.”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 2026201-500233 contacts →

Indirect evidence

“Welcome to Dataquad Inc.”

Source: RevenueBase Database · checked Sep 29, 2026
24Indirect evidenceEagan, MN, United StatesHQ checked Sep 29, 2026501-1,000225 contacts →

Indirect evidence

“C4 Technical Services knows the right people in IT and Telecom C4 Technical Services earns the trust of our clients and candidates by understanding the needs of both, matching…”

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceSantiago, ChileHQ checked Sep 29, 2026201-500215 contacts →

Indirect evidence

“SEnTRA es una empresa que brinda servicios de diseño y construcción de herramientas de certificación para el área de QA y desarrollamos Test de Esfuerzo o de Stress para…”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 2,907 performance testing staffing companies worldwide

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Performance testing staffing companies worldwide at a glance

As of Sep 29, 2026
16.1%Verified-email coverage
16.3Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
1,299
11-50
960
51-200
466
201-500
120
501-1,000
32
1,001-5,000
21
5,001-10,000
3
10001+
2

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 performance testing staffing companies, 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 performance testing staffing companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “performance testing staffing companies”. 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 performance testing staffing companies), 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 performance testing staffing companies, 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, 7,611 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 29, 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.

Performance testing staffing companies by location

17 lists · largest first

Every Performance testing staffing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 performance testing staffing companies, 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 performance testing staffing companies are there worldwide?

RevenueBase identified 2,907 performance testing staffing companies 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?

AQM Technologies, headquartered in Ghatkopar West Mumbai, tops this list with the largest team on record.

Which country has the most performance testing staffing companies?

The United States leads with 1,093 companies, followed by India (319) and the United Kingdom (142). Every performance testing staffing companies list by country and city is linked on this page.

Which city has the most performance testing staffing companies?

London leads with 58 headquartered companies, followed by Hyderabad (49) and New York (40).

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 7,611 verified decision-maker contacts tracked across these 2,907 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 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 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.