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.

How this list is built

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

4,562 Companies

List of the Best QA & Software Testing Agencies

ITOS
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ITOS is a software development firm committed to delivering top-notch solutions to our clients and assisting them in bringing their ideas to fruition. Our team of highly skilled and exceptionally talented engineers and developers support businesses in their growth. We believe that every product shou
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Riga, Lv
Services Provided+1 Services
30% Custom Web Application Development
25% Mobile App Development (iOS & Android)
20% E-Commerce Development
15% Legacy System Modernization
AI Summary
“ITOS is a Riga-based software development firm specializing in custom software, mobile apps, and e-commerce solutions, ensuring high quality, timely delivery, and comprehensive support services.”
Tonic3, the UX division of W3
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**Specialization:** Branding • UI/UX • Web Design • Software Development Tonic3 operates as the User Experience Division of W3, a global digital agency that offers services across more than 20 countries in Latin America and the United States. We deliver comprehensive solutions for businesses of all
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
AAM, Ar
Services Provided+8 Services
8% Mobile App Development (iOS & Android)
9% Custom Web Application Development
3% QA & Software Testing
20% IT Staff Augmentation
AI Summary
“Tonic3, W3's UX division, specializes in branding, UI/UX, web design, and software development, delivering innovative digital solutions and nearshore services across Latin America and the US.”
DevNovations
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Our group of developers and IT experts possesses a wealth of experience and a proven history of success in numerous major industry projects. We are dependable and skilled partners who can add value and creativity to any endeavor. DevNovations — turning your ideas into reality.
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Vilnius, Lt
Services Provided+1 Services
30% Custom Web Application Development
25% Mobile App Development (iOS & Android)
20% E-Commerce Development
15% Legacy System Modernization
AI Summary
“DevNovations is a team of experienced developers and IT professionals delivering innovative, reliable solutions across diverse industry projects to transform ideas into successful realities.”
ANTARA
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ANTARA is an innovative and trustworthy software company focused on custom software development, design, testing, and IT consulting services. We provide a comprehensive range of software engineering solutions, including IT infrastructure, service analysis and design, refactoring, reverse engineering
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Kharkiv, Kharkiv, Ua
Services Provided+7 Services
18% Custom Web Application Development
5% E-Commerce Development
10% Backend Development
10% Frontend Development
AI Summary
“ANTARA is a reliable software company offering comprehensive services in custom development, IT consulting, design, testing, integration, and ongoing support to meet diverse client needs.”
Go-Labs
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Go-labs ® is a software development firm based in San Carlos, Costa Rica. We offer innovative solutions to both national and international businesses across the U.S., Latin America, and Europe. In the realm of mobile technology, we create native applications for both Android and iOS, and we also hav
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Ciudad Quesada, Cr
Services Provided+1 Services
25% Custom Web Application Development
30% Mobile App Development (iOS & Android)
20% Backend Development
15% Frontend Development
AI Summary
“Go-Labs, based in Costa Rica, specializes in innovative mobile and web software development for global clients, leveraging advanced technologies and real-time collaboration across time zones.”
StorexWeb
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StorexWeb is a team of experienced experts dedicated to creating outstanding products and services. They assist businesses in enhancing and maximizing their digital offerings by upgrading outdated platforms into advanced solutions. The specialized team at StorexWeb designs dashboards, tailored softw
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Imola, It
Services Provided+8 Services
15% Custom Web Application Development
10% Mobile App Development (iOS & Android)
5% E-Commerce Development
8% QA & Software Testing
AI Summary
“StorexWeb specializes in custom software, web, and mobile development, integrating expert UX/UI design and quality testing to deliver tailored digital transformation solutions and consultancy services.”
MeU Solutions INC
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MeU Solutions is a prominent outsourcing provider in Vietnam that offers affordable, versatile, and dependable delivery services. Their offerings include outsourced testing services like context-driven testing, agile testing, automation testing, security testing, performance testing, mobile testing
Highlights
$5,000+
Min Project Size
< $25/hr
Avg Hourly Rate
50-249
Employees
Ho Chi Minh City, Vn
Services Provided+8 Services
5% Custom Web Application Development
3% E-Commerce Development
5% Backend Development
5% Frontend Development
AI Summary
“MeU Solutions INC. is a leading Vietnamese outsourcing firm providing comprehensive software testing and application development services, including agile, automation, and security testing to ensure quality delivery.”
Starlly Solutions Pvt Ltd
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Are you prepared to collaborate with Starlly on your projects? Our experienced team has successfully managed various fields, including dashboards, analytics, SaaS, DTC, IoT, and smart devices. Don't hesitate to reach out!
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+3 Services
25% Internet of Things Services
20% IT Staff Augmentation
20% Custom Web Application Development
15% Software Development Services
AI Summary
“Starlly Solutions Pvt Ltd excels in Custom Web Application Development, API integration, robotics process automation, and application testing, delivering comprehensive software development solutions tailored to client needs with skilled staff augmentation.”
Autonomous Intelligence Development
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We are leading the charge in transforming industries by utilizing advanced artificial intelligence technologies, including machine learning, natural language processing, computer vision, and predictive analytics. Our mission is to revolutionize sectors by leveraging AI to automate processes, glean i
Highlights
$5,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
2-9
Employees
Services Provided+5 Services
13% AI Strategy & Roadmap Consulting
10% LLM Integration & Prompt Engineering
10% Custom AI Chatbot Development
12% Machine Learning Model Development
AI Summary
“Autonomous Intelligence Development specializes in advanced AI technologies like machine learning, NLP, and predictive analytics, delivering customized solutions that enhance efficiency and drive industry innovation.”
Erida Technologies
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**Erida Technologies: Your Partner in Software Innovation** Erida Technologies collaborates with numerous technology innovators to enhance business value through tailored software development, product design, testing, and quality assurance services. We utilize cutting-edge technologies and best pra
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Gyumri, Shirak, Am
Services Provided+4 Services
15% Custom Web Application Development
5% E-Commerce Development
10% Backend Development
10% Frontend Development
AI Summary
“Erida Technologies specializes in custom software development, web design, integration, and quality assurance, leveraging modern technologies to deliver scalable, reliable digital solutions tailored to business needs.”

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