Top QA & Software Testing Firms

Releases that break checkout, a mobile app that crashes on older Android phones, an API that slows under load: these are the failures QA and software testing companies are paid to catch first. They plan test strategy, write and run manual test cases, build automated suites in Selenium, Playwright, Cypress or Appium, and run performance, security and accessibility tests. Software teams hire them when developers are testing their own code, when release cycles are speeding up, before a major launch, or when an audit demands documented testing.

When comparing the firms below, look at the kinds of applications they test, the automation frameworks they work in, and whether testers join your sprints or work from a separate queue.

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We evaluate companies on verified profile data: services, pricing, locations, and portfolio. Client reviews are being collected. We may earn a fee for some placements. How we rank and verify

4,561 Companies

List of the Best QA & Software Testing Agencies

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bugmagnets
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We assist startups in launching high-quality products more quickly while maintaining standards. Our services include functional, automation, API, and performance testing, enabling startups to develop strong and reliable web and mobile applications.
Highlights
< $25/hr
Avg Hourly Rate
2-9
Employees
Hyderabad, Telangana, In
Services Provided
100% QA & Software Testing
AI Summary
“Bugmagnets accelerates startup product launches by providing comprehensive testing services including functional, automation, API, and performance testing for robust web and mobile applications.”
AppTestify
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AppTestify Platform is a top provider of fully managed application testing services that are available on-demand, leveraging advanced technologies and methodologies to deliver scalable solutions for businesses of any size. Initially launched by a group of friends brainstorming ideas on paper, we now
Highlights
$25-49/hr
Avg Hourly Rate
50-249
Employees
Pune, Maharashtra, In
Services Provided
100% QA & Software Testing
AI Summary
“AppTestify offers scalable, on-demand application testing services—including manual, automated, performance, usability, and security testing—delivered by a certified professional team globally.”
Testcapture
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Testcapture is an independent software testing firm committed to providing a variety of software testing services to clients worldwide. Our team of testing specialists possesses extensive experience in both manual and automated testing. Our enthusiasm for software testing fuels our innovation in ser
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Tallinn, Harju, Ee
Services Provided
100% QA & Software Testing
AI Summary
“Testcapture is an independent software testing firm delivering expert manual and automated testing services globally, focused on enhancing application quality and business value for clients.”
QA Captain
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We can't stand bugs! Faulty, malfunctioning software disrupts our day and poses unnecessary business risks, from lost revenue to dissatisfied customers! We want to prevent that from happening to you. We're here to support your success!
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
Services Provided
100% QA & Software Testing
AI Summary
“QA Captain specializes in software testing and quality assurance services, aiming to prevent bugs and defects that jeopardize business performance and customer satisfaction.”
VeriCore Testing Services
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VeriCore Testing Services is a standalone company dedicated to software testing and quality assurance, aimed at guaranteeing the reliability of applications from their inception to deployment. We concentrate on manual testing, functional validation, user acceptance testing support, and quality assur
Highlights
Services Provided
100% QA & Software Testing
AI Summary
“VeriCore Testing Services specializes in manual and functional software testing, ensuring reliable, high-quality web and enterprise applications through tailored quality assurance methodologies.”
Usman Ali QA
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Results-oriented SQA / QA Automation Engineer with over 6 years of experience in implementing scalable end-to-end test automation across various platforms, including Web, Mobile, Hybrid, and APIs. Demonstrated proficiency in tools such as Playwright, Selenium, Cypress, Appium, and programming langua
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
Services Provided
100% QA & Software Testing
AI Summary
“Usman Ali QA is a seasoned SQA automation engineer with 6+ years' experience delivering scalable test automation across platforms, leveraging AI-assisted methods and diverse tools to enhance quality in Agile environments.”
Kefi QA
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KefiQA is a software testing firm that offers a comprehensive range of independent testing services to clients worldwide. Our mission is to deliver high-quality, cost-effective software testing solutions. We have a team of highly skilled and certified professionals with expertise in various testing
Highlights
Toronto, Ontario, Ca
Services Provided
100% QA & Software Testing
AI Summary
“KefiQA is a global software testing firm delivering flexible, cost-effective functional and non-functional testing through skilled professionals, emphasizing early defect detection and detailed reporting.”
TestMetry
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Welcome to Testmetry, a dynamic platform aimed at connecting professionals and promoting the sharing of knowledge. In my blog, I seek to engage with fellow experts, sharing experiences, insights, and skills. Through Testmetry, I hope to build a community where professionals from diverse fields can u
Highlights
Services Provided
100% QA & Software Testing
AI Summary
“Testmetry is an interactive platform connecting professionals across fields to share knowledge, insights, and experiences, fostering collaboration, learning, and growth within a dynamic expert community.”
E2E BUGS
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E2E BUGS is a premier provider of extensive software testing services designed to address the varied requirements of our international clients. With a strong history of delivering exceptional testing solutions across multiple sectors, we focus on thoroughly examining software applications for functi
Highlights
50-249
Employees
Services Provided
100% QA & Software Testing
AI Summary
“E2E BUGS provides comprehensive software testing services—functional, performance, security, automation, and blockchain—across finance, healthcare, e-commerce, telecom, and technology sectors worldwide.”
QA Testing.io
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At QA Testing.io, we are committed to delivering exceptional software quality assurance services to guarantee that your product is dependable, effective, and easy to use. Our skilled QA experts employ the most advanced testing techniques and tools to ensure comprehensive coverage and reduce risk. We
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided
100% QA & Software Testing
AI Summary
“QA Testing.io delivers comprehensive quality assurance services, specializing in application testing to ensure reliable, effective software and exceptional user experiences across diverse industries.”

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Top QA & Software Testing Firms

List of the Best QA & Software Testing Agencies

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