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

Digital Dream Forge
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Digital Dream Forge is a fully US-based independent Quality Assurance (QA) testing studio. We offer specialized onshore QA services to software developers and technology teams. With almost 30 years of collective experience in software quality assurance, our team ensures outstanding customer service
Highlights
50-249
Employees
Cookeville, Tennessee, Us
Services Provided
100% QA & Software Testing
AI Summary
“Digital Dream Forge is a US-based independent QA testing studio delivering specialized, experienced onshore software quality assurance services that ensure reliable, high-quality software launches.”
Akhtibar International
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Akhtibar is a leading engineering and software testing firm that helps businesses confidently accelerate their digital transformation. With more than ten years of specialized experience, we offer a full range of testing services aimed at improving software quality, speeding up deployment cycles, and
Highlights
$10,000+
Min Project Size
10-49
Employees
Vienna, Vienna, At
Services Provided
100% QA & Software Testing
AI Summary
“Akhtibar International specializes in customized software testing and quality engineering, helping businesses accelerate digital transformation with tailored strategies, improved deployment, and long-term partnerships.”
Bitcrush
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Bitcrush is a reliable ally in embedded software testing. We focus on quality and dependability, guaranteeing that your embedded system operates perfectly even in challenging conditions. With our knowledge, advanced tools, and enthusiasm, we’re ready to help you eliminate bugs. Check out our extensi
Highlights
$10,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Langenlois, At
Services Provided
100% QA & Software Testing
AI Summary
“Bitcrush specializes in embedded software testing, ensuring high-quality, dependable system performance under challenging conditions through expert knowledge and advanced testing services.”
Apphawks
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Apphawks is a quality assurance firm located in Poland. We offer services such as automation testing, manual testing, and documentation. Our dedicated Software QA Testers work closely with your in-house delivery team, functioning as an extended partner for your startup or business. We collaborate co
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Poznan, Greater Poland, Pl
Services Provided
100% QA & Software Testing
AI Summary
“Apphawks is a Poland-based quality assurance firm offering automation, manual testing, and documentation services, partnering flexibly with in-house teams to enhance software quality and delivery.”
Happy Testing
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Eliminate overhead costs and costly long-term contracts while ensuring you only pay for what you truly need. Happy Testing replaces the hassle of unreliable candidates, underqualified freelancers, and pricey testing agencies by providing precisely what you require: exceptional quality in test automa
Highlights
$1,000+
Min Project Size
2-9
Employees
Capelle aan den IJssel, South Holland, Nl
Services Provided
100% QA & Software Testing
AI Summary
“Happy Testing offers cost-effective test automation services with reliable quality, eliminating overhead, unreliable candidates, and expensive agencies through a simple monthly fee, enabling focus on product delivery.”
SQAline
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SQAline assists SaaS companies in deploying their products with confidence by identifying bugs that evade development teams—within the first week, rather than waiting for a quarter. Founded by a QA engineer who witnessed countless SaaS products launch with flaws, we created SQAline to address a stra
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Lahore, Pk Punjab, Pk
Services Provided
100% QA & Software Testing
AI Summary
“SQAline offers rapid, tailored QA solutions for B2B SaaS companies, identifying critical bugs within a week to enhance product quality, reduce production issues, and accelerate releases.”
QAMATICS
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QAMatics is an exceptional testing company that specializes in automation testing for APIs, focusing on a customer-centric strategy to enhance the customer experience. We deliver secure, cost-effective solutions with rapid, production-ready automated scripts. Here are some distinctive features of ou
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Chennai, Tamil Nadu, In
Services Provided
100% QA & Software Testing
AI Summary
“QAMatics specializes in comprehensive, customer-centric automation testing for APIs with expertise in various tools, platforms, and technologies, delivering secure, cost-effective, and rapid testing solutions.”
99tests
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Have your application evaluated by 25 testers in just a single day and uncover 50 bugs. 99tests boasts a network of more than 31,000 testers across 140 countries.
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
2-9
Employees
Bengaluru, Karnataka, In
Services Provided
100% QA & Software Testing
AI Summary
“99tests offers rapid, large-scale testing services through a global network of over 31,000 testers, enabling comprehensive application evaluation and bug detection within a single day.”
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360logica Software Testing Services
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We are a specialized offshore outsourcing consultancy focusing on Independent QA and Testing, driven by a team of talented, efficient, and dedicated professionals who have honed their skills at top technological institutions in India. Located in the National Capital Region, we have established robus
Highlights
10-49
Employees
Noida, Uttar Pradesh, In
Services Provided
100% QA & Software Testing
AI Summary
“360logica Software Testing Services offers specialized offshore independent QA and testing across diverse industries, delivering efficient, skilled solutions that accelerate time to market with guaranteed quality.”
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Housenia Studio SRL
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A small company that places a strong emphasis on quality assurance. We ensure the delivery of the right product through thorough testing. With over a decade of experience, and more than eight years dedicated to both automated and manual QA, our expertise includes JavaScript (Protractor, Cypress), Py
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Cluj-Napoca, Cluj, Ro
Services Provided
100% QA & Software Testing
AI Summary
“Housenia Studio SRL is a small, experienced QA company specializing in automated, manual, performance, and API testing to ensure high-quality product delivery aligned with business goals.”

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Top QA & Software Testing Firms

List of the Best QA & Software Testing Agencies

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