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

ITUniversum
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ITUniversum is a company specializing in custom software development and quality assurance. We design tailored websites and mobile applications to help businesses transition into effective digital entities. Our services cover the entire product development lifecycle. You can engage a team of expert
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Jericho, New York, Us
Services Provided+8 Services
8% Custom Web Application Development
7% Mobile App Development (iOS & Android)
3% Legacy System Modernization
5% Backend Development
AI Summary
“ITUniversum specializes in custom software development and quality assurance, offering tailored digital solutions and expert teams to drive business transformation through strategic, innovative technology.”
QuerySoftke Technologies limited
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QuerySoft Kenya is a leading information technology and web design firm in Kenya, offering innovative information communication technology (ICT) solutions, products, and services through cutting-edge technologies. We deliver timely business information solutions that encompass web design and hosting
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
50-249
Employees
Nairobi, Ke
Services Provided+18 Services
9% Mobile App Development (iOS & Android)
6% E-Commerce Development
6% QA & Software Testing
4% Legacy System Modernization
AI Summary
“QuerySoftke Technologies Limited provides comprehensive ICT solutions including web design, software development, enterprise networking, and business training, delivering innovative technology services in Kenya.”
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Chamaka Infotech Private Limited
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At Chamaka Infotech, we strive to provide a seamless digital experience for your business operations. Our tailored and secure software solutions, combined with ongoing re-evaluation strategies, consistently enhance your business. By thoroughly analyzing your requirements and developing customized so
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
2-9
Employees
Chennai, Tamil Nadu, In
Services Provided+8 Services
10% Custom Web Application Development
5% QA & Software Testing
3% Legacy System Modernization
5% Mobile App Development (iOS & Android)
AI Summary
“Chamaka Infotech delivers tailored, secure software solutions enhancing business operations through thorough analysis and continuous improvement, prioritizing client needs over generic offerings.”
Pay2Web Technologies Pvt. Ltd.
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We use recognized industry practices along with innovative concepts, utilizing the most advanced tools to help you reach your goals in the shortest possible timeframe. Pay2Web is a comprehensive creative agency dedicated to making your brand stand out. We specialize in digital technology, offering c
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Noida, Uttar Pradesh, In
Services Provided+5 Services
17% Custom Web Application Development
10% Mobile App Development (iOS & Android)
5% E-Commerce Development
2% QA & Software Testing
AI Summary
“Pay2Web Technologies Pvt. Ltd. is a creative agency specializing in digital technology and product development, combining industry practices and innovation to deliver effective branding solutions quickly.”
Markhor ICT
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Since 2008, we have been at the forefront of Software Development, Internet Marketing, Web Design, and other services. Our core philosophy is centered on ensuring customer satisfaction and fostering technological innovation. By prioritizing our customers, we have built a loyal client base without re
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
250-999
Employees
Services Provided+2 Services
28% Custom Web Application Development
5% QA & Software Testing
7% Content Marketing Strategy
20% Digital Strategy
AI Summary
“Markhor ICT, established in 2008, specializes in software development, internet marketing, and web design, prioritizing customer satisfaction and technological innovation to deliver efficient, value-driven digital solutions globally.”
Acelucid Technologies
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We offer remote expert resources across a range of technology skill sets, including: - .NET, Java, Node.js, and PHP for backend development - Angular and React for frontend development. Our technology services include: - Web/Application Development - Cloud Solutions (Azure and AWS) - Salesforce Deve
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Bengaluru, Karnataka, In
Services Provided+5 Services
10% Custom Web Application Development
8% Mobile App Development (iOS & Android)
13% Backend Development
10% Frontend Development
AI Summary
“Acelucid Technologies provides remote expert resources in diverse technology domains, specializing in web and mobile development, cloud solutions, CMS, QA testing, and UI/UX design across various platforms.”
DTX TECHNOLOGIES
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DTX Technologies is a tech agency dedicated to developing AI-driven automation, SaaS solutions, and scalable web applications for startups and expanding businesses around the globe. We assist companies in transforming concepts into digital products and converting manual processes into intelligent au
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
New Delhi, Delhi, In
Services Provided+5 Services
17% Custom Web Application Development
12% API Development & Integration
5% QA & Software Testing
13% Product UX Strategy
AI Summary
“DTX Technologies specializes in AI-driven automation, SaaS development, and scalable web and mobile applications, delivering tailored solutions that enhance efficiency and support sustainable business growth globally.”
Deepfai Inc.
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Deepfai Inc offers cutting-edge solutions in AI, computer vision, natural language processing, chatbots, augmented reality, and digital commerce through the use of advanced technologies.
Highlights
$25,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Naperville, Illinois, Us
Services Provided+8 Services
8% Mobile App Development (iOS & Android)
5% Legacy System Modernization
10% API Development & Integration
5% QA & Software Testing
AI Summary
“Deepfai Inc develops advanced AI solutions across computer vision, natural language processing, chatbots, augmented reality, and digital commerce, delivering innovative technology applications.”
Block Nerds
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Block Nerds is a comprehensive enterprise software agency that provides tailored software solutions for both client and server sides.
Highlights
$50,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Prosper, Texas, Us
Services Provided+1 Services
40% Custom Web Application Development
25% Backend Development
20% Frontend Development
10% Blockchain & Web3 Development
AI Summary
“Block Nerds is a versatile enterprise software agency specializing in customized client and server-side solutions, delivering comprehensive services to meet diverse business technology needs.”
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WonderLabs Ukraine
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Wonderlabs.io is a top company specializing in the development and management of software teams in Ukraine, Indonesia, Vietnam, Sri Lanka, and the Philippines. With over 350 active deployments across our shared and dedicated centers, we have experienced significant growth since our inception in 2015
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Kyiv, Kyiv, Ua
Services Provided+2 Services
13% Mobile App Development (iOS & Android)
8% E-Commerce Development
22% Custom Web Application Development
7% QA & Software Testing
AI Summary
“Wonderlabs.io specializes in developing and managing global software teams across multiple countries, fostering innovation and productivity since 2015 with over 350 active deployments.”

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Top QA & Software Testing Firms

List of the Best QA & Software Testing Agencies

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