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

Pinsout
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Pinsout Innovation is a technology-focused agency that provides top-notch, budget-friendly, and dependable web and e-commerce solutions promptly to clients around the world. We leverage professionalism, skill, and expertise to optimize the web for your business, ensuring you achieve the highest retu
Highlights
$5,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Balotra, Rajasthan, In
Services Provided+6 Services
30% Software Development Services
22% Custom Web Application Development
20% E-Commerce Development
20% Mobile App Development (iOS & Android)
AI Summary
“Pinsout specializes in Software Development, offering custom web, mobile, and e-commerce application solutions. Their expertise includes legacy system modernization and comprehensive IT consulting services, enabling innovative, budget-friendly technology solutions designed for startups and enterprises.”
Sibedge
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Sibedge is a worldwide software engineering firm that prioritizes people. With over 15 years of experience, we have successfully completed more than 350 projects in over 27 countries. Based in Australia, our highly skilled engineers are spread across the globe, providing valuable services to support
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Claremont, Western Australia, Au
Services Provided+1 Services
30% Custom Web Application Development
25% SaaS Product Development
20% Backend Development
15% Frontend Development
AI Summary
“Sibedge is a global software engineering firm offering agile team extension, squad-based product development, and project delivery to support digital transformation and optimized software solutions.”
NCB Ltd
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The NCB team possesses extensive experience in creating and developing a wide range of solutions, including those that utilize blockchain technology, software platforms, e-commerce systems, CRM applications, mobile apps, marketing tools, websites, and sweepstakes platforms. Our diverse international
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Sofia, Sofia, Bg
Services Provided+1 Services
30% Custom Web Application Development
25% Backend Development
15% Frontend Development
20% Blockchain & Web3 Development
AI Summary
“NCB Ltd. delivers comprehensive software solutions including blockchain, e-commerce, CRM, and big data analytics, serving diverse international clients with expertise in system design, development, and quality assurance.”
Betech Consulting
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REMOTE NEVER FELT SO CLOSE We eliminate growth obstacles by quickly expanding your team with top-notch talent from Latin America. The process of locating the right talent for a software project can be challenging and time-consuming. We believe that exceptional individuals can be found anywhere, and
Highlights
50-249
Employees
Services Provided+2 Services
10% Mobile App Development (iOS & Android)
12% QA & Software Testing
12% Custom Web Application Development
33% IT Staff Augmentation
AI Summary
“Betech Consulting specializes in remote staff augmentation, agile software development, and testing services, leveraging skilled Latin American talent to accelerate product delivery and growth.”
Particles Global Inc.
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Particles Global (PARTICLES), based in the USA, offers professional IT services. The expanding team operates across Ukraine and Europe, and is officially employed by the company. In summary, PARTICLES is characterized by its commitment to Quality, Speed, and Attitude. The company serves clients worl
Highlights
$50,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+6 Services
13% Mobile App Development (iOS & Android)
15% Backend Development
8% E-Commerce Development
8% QA & Software Testing
AI Summary
“Particles Global is a US-based IT services company delivering expert software development and long-term partnerships worldwide, specializing in diverse sectors and advanced technologies with committed senior professionals.”
FlutterDevs
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FlutterDevs is a highly-rated app development company specializing in Flutter technology and Flutter developers. We are currently recognized at CMMI Level 3, the highest level of certification for IT service providers. Our team has collaborated with companies of all sizes, from startups to governmen
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Noida, Uttar Pradesh, In
Services Provided+7 Services
15% Mobile App Development (iOS & Android)
9% Custom Web Application Development
8% Backend Development
5% Frontend Development
AI Summary
“FlutterDevs is a CMMI Level 3 app development firm specializing in Flutter and full-stack solutions, offering cross-platform apps, AI integration, and services across diverse industries.”
REISBOT
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We are a startup software firm based in Turkey, specializing in mobile, web, and desktop applications.
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Basaksehir, Istanbul, Tr
Services Provided
45% Mobile App Development (iOS & Android)
45% Custom Web Application Development
10% QA & Software Testing
AI Summary
“REISBOT is a Turkish startup specializing in developing innovative mobile, web, and desktop software solutions, delivering versatile applications across multiple platforms with professional expertise.”
MOHARA
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At MOHARA, our goal is to enhance the accessibility of building technology products. We believe everyone should have the chance to innovate. Our partners share a common motivation: to use technology to improve people's lives. However, investors frequently seek technical founders, which can lead them
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
London, England, Gb
Services Provided
30% Custom Web Application Development
15% Mobile App Development (iOS & Android)
5% QA & Software Testing
50% Product Design
AI Summary
“MOHARA empowers non-technical founders by providing expert technology leadership, facilitating product development, and enhancing access to funding within the building technology sector.”
Crexa Global
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At Crexa Global Digital Agency, we prioritize teamwork and clarity in your goals to develop tailored software, applications, and websites that deliver genuine value. Leverage our extensive experience in the IT sector, our refined development process, and a culture that aligns with the needs of our c
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
2-9
Employees
Chennai, Tamil Nadu, In
Services Provided+2 Services
25% Custom Web Application Development
15% Mobile App Development (iOS & Android)
10% QA & Software Testing
25% Product UX Strategy
AI Summary
“Crexa Global is a professional digital agency specializing in tailor-made software, applications, and websites across diverse industries, delivering effective IT solutions through teamwork and client-centric processes.”
Vitalflow Creative
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Get professional web design services beginning at only £99. Our offering includes a fully tailored website aimed at attracting visitors and converting them into customers, along with hosting and continuous maintenance.
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
London, England, Gb
Services Provided
43% Custom Web Application Development
7% QA & Software Testing
50% Graphic Design
AI Summary
“Vitalflow Creative delivers tailored professional web design services starting at £99, including website creation, hosting, and ongoing maintenance to enhance visitor engagement and customer conversion.”

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