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

FOONKIE MONKEY
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We have developed over 300 apps and more than 150 custom software solutions across 13 countries globally for esteemed international businesses in Europe, the United States, Canada, Australia, and Latin America. Our focus is on delivering innovative and cost-effective applications, custom software, c
Highlights
$25,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Miami, Florida, Us
Services Provided+13 Services
18% Mobile App Development (iOS & Android)
13% Custom Web Application Development
7% API Development & Integration
7% Backend Development
AI Summary
“FOONKIE MONKEY delivers innovative, award-winning software solutions globally, specializing in apps, custom software, cloud services, and cutting-edge technologies across diverse industries.”
BLMovil
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BLMovil is a technology services firm specializing in software development and testing services. Headquartered in Mexico, with additional branches in Spain and Chile, we offer our development and testing expertise to clients across various countries. We employ Agile methodologies, ensuring ongoing c
Highlights
$5,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
San Mateo Atenco, Mexico, Mx
Services Provided+2 Services
5% E-Commerce Development
14% Custom Web Application Development
12% Mobile App Development (iOS & Android)
3% QA & Software Testing
AI Summary
“BLMovil is a Mexico-based technology services company specializing in web and mobile software development and testing, employing Agile methods to serve clients internationally.”
Zak Technology Services
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Zak Technologies offers affordable, high-quality, and current technology solutions and services. At Zaktech, we treat our employees and clients like family. Our focus goes beyond merely creating products; we nurture them. Zaktech is not just about providing impeccable services; it’s about creating l
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Islamabad, Islamabad Capital Territory, Pk
Services Provided+2 Services
15% Mobile App Development (iOS & Android)
6% E-Commerce Development
4% QA & Software Testing
25% Mobile App UI Design
AI Summary
“Zak Technology Services provides comprehensive software development, delivering mobile, web, and desktop solutions with dedicated talent, supporting clients from concept through successful deployment and growth.”
DevAspect
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Our software company, located in Sofia, Bulgaria, comprises a team of skilled software engineers. We specialize in custom software development and offer dedicated teams to ensure our clients achieve their goals. Our services include: - Custom software and product creation - Web and enterprise deve
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Services Provided+2 Services
30% Custom Web Application Development
30% Backend Development
15% Frontend Development
10% Legacy System Modernization
AI Summary
“DevAspect, based in Sofia, Bulgaria, delivers custom software solutions, web and enterprise development, dedicated teams, quality assurance, and consulting using modern technologies and microservices architecture.”
Weekend Technologies
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Weekend Technologies LLC provides high-quality mobile application and web development services. Our experts have advanced expertise in the latest web and mobile app development technologies and continually enhance their skills to stay current with the evolving market.
Highlights
< $25/hr
Avg Hourly Rate
10-49
Employees
Chisinau, Chisinau, Md
Services Provided+5 Services
7% Custom Web Application Development
13% Mobile App Development (iOS & Android)
4% E-Commerce Development
5% Legacy System Modernization
AI Summary
“Weekend Technologies specializes in comprehensive mobile and web development, offering custom software, UX/UI design, testing, and marketing services to deliver high-quality digital solutions.”
Borne Digital
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Borne Digital is a premier full-cycle digital product agency. We assist businesses in identifying their current needs and collaborating towards shared objectives, with an emphasis on providing practical solutions. Our expertise encompasses iOS, Android, front-end, back-end, web platform development,
Highlights
$25,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
London, England, Gb
Services Provided+8 Services
12% Mobile App Development (iOS & Android)
8% Frontend Development
7% Backend Development
5% API Development & Integration
AI Summary
“Borne Digital is a full-cycle digital product agency specializing in iOS, Android, web development, design, and strategy, delivering practical solutions for diverse clients across industries.”
IT Transformation
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Our team has extensive experience in developing and implementing ERP systems for businesses of all sizes. We specialize in backend development, specifically in microservices architecture, which we have been utilizing successfully for more than 20 years. Our group consists of skilled developers and c
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Katowice, Silesian, Pl
Services Provided+5 Services
7% Custom Web Application Development
17% Backend Development
5% API Development & Integration
3% QA & Software Testing
AI Summary
“IT Transformation specializes in comprehensive ERP and backend development, leveraging over 20 years of microservices expertise to deliver confidential, end-to-end solutions with skilled in-house professionals.”
Zetawiz Technologies
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At Zetawiz Technologies, we provide advanced software solutions customized to fit your business requirements. Our skilled team of developers is dedicated to innovation, offering scalable web and mobile applications, bespoke software, UI/UX design, Search Engine Optimization, Social Media Marketing,
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Indore, Madhya Pradesh, In
Services Provided+16 Services
4% Custom Web Application Development
2% Frontend Development
1% QA & Software Testing
1% Code Review & Technical Audits
AI Summary
“Zetawiz Technologies delivers innovative, customized software solutions including web and mobile applications, UI/UX design, SEO, and IT consulting, leveraging agile methods to meet diverse business needs.”
Supaapps GmbH
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At Supaapps, we are a group of technology enthusiasts who prioritize product objectives over complex engineering. We believe that adopting a lean approach to software development allows us to spend less time on excessive engineering and optimization, and more time on testing and validating our produ
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Berlin, Berlin, De
Services Provided+3 Services
10% API Development & Integration
23% Custom Web Application Development
12% Mobile App Development (iOS & Android)
5% QA & Software Testing
AI Summary
“Supaapps GmbH is a technology-focused company emphasizing lean software development to prioritize product objectives, enabling efficient market testing and validation over complex engineering.”
Suflon Tech LLP
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We are an international technology firm committed to revolutionizing businesses with innovative software solutions, state-of-the-art development, and outstanding customer service.
Highlights
$25,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
10-49
Employees
Services Provided+1 Services
20% API Development & Integration
30% Custom Web Application Development
15% E-Commerce Development
25% Mobile App Development (iOS & Android)
AI Summary
“Suflon Tech LLP is a global technology company specializing in innovative software development and exceptional customer service, driving business transformation through advanced solutions.”

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Top QA & Software Testing Firms

List of the Best QA & Software Testing Agencies

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