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

Sumarosoft
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SumaroSoft develops sophisticated custom software designed to assist businesses in adopting the latest IT innovations for achieving their objectives through digital transformation. We adhere to five core principles: prioritizing business value delivery, ensuring the software delivery process is tran
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Gent, East Flanders, Be
Services Provided+8 Services
5% QA & Software Testing
5% Frontend Development
7% API Development & Integration
4% Mobile App Development (iOS & Android)
AI Summary
“SumaroSoft provides tailored software solutions enabling digital transformation by delivering business value through transparent processes, relevant technologies, reliable communication, and strong client partnerships.”
srchout software
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We are a group of technology enthusiasts dedicated to assisting startups and MSMEs in developing their tech companies and expanding their businesses by leveraging the finest talent available. Create your next big project with exceptional software crafted from the ground up by Srchout. You provide th
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Services Provided+6 Services
4% E-Commerce Development
8% Mobile App Development (iOS & Android)
3% ERP & CRM Development
12% Custom Web Application Development
AI Summary
“Srchout Software specializes in developing custom software solutions for startups and MSMEs, transforming ideas into products through expert talent and dedicated technology engagement.”
Microserve
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Microserve is a Drupal web development agency located in Bristol, UK, that focuses on Drupal development, training, hosting, and site audits. Our team of Drupal specialists possesses extensive experience in various industry-specific fields, including responsive design (for mobile) and SEO. As the la
Highlights
$50-99/hr
Avg Hourly Rate
10-49
Employees
Bristol, England, Gb
Services Provided+3 Services
18% Custom Web Application Development
20% Backend Development
10% Frontend Development
2% QA & Software Testing
AI Summary
“Microserve, Bristol's largest Drupal agency, offers comprehensive web development, training, hosting, and audits with expert teams serving medium to large enterprises and partner agencies.”
Media Hubster
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Mediahubster is a prominent IT services provider with more than 8 years of industry experience. We focus on IT outsourcing, tailored web development, mobile app development, blockchain solutions, and digital marketing. Our mission is to foster innovation and automation for businesses of various size
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+2 Services
18% Custom Web Application Development
17% Mobile App Development (iOS & Android)
10% Blockchain & Web3 Development
5% QA & Software Testing
AI Summary
“Mediahubster is an experienced IT services provider specializing in outsourcing, web and mobile development, blockchain, and digital marketing, delivering innovative, flexible, and cost-effective digital transformation solutions.”
Prona Soft India Pvt Ltd
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Prona Soft India Pvt. Ltd is a technology company located in Pune that provides professional software development, IT consulting, and digital solutions aimed at addressing the challenges of modern businesses. Founded in July 2025, we focus on creating custom software, web and mobile applications, cl
Highlights
2-9
Employees
Services Provided+3 Services
7% QA & Software Testing
14% Mobile App Development (iOS & Android)
13% Custom Web Application Development
33% DevOps Engineering
AI Summary
“Prona Soft India Pvt. Ltd, based in Pune, delivers custom software, web and mobile apps, cloud solutions, and IT consulting, enabling businesses to innovate and grow through tailored digital services.”
Devrefine
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We are located in Bulgaria, known as the Silicon Valley of Europe for IT outsourcing. We provide a wide range of outsourcing solutions, including staff augmentation, project outsourcing, and managed IT services. Our developers are skilled in the latest technologies and adhere to the highest industry
Highlights
$25-49/hr
Avg Hourly Rate
10-49
Employees
Sofia, Sofia, Bg
Services Provided+8 Services
6% Blockchain & Web3 Development
6% Frontend Development
9% Backend Development
4% QA & Software Testing
AI Summary
“Devrefine, based in Bulgaria, offers comprehensive IT outsourcing including development, cloud, blockchain, AI consulting, and quality assurance, delivering tailored solutions aligned with client needs.”
Jarvis Reboot
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JARVIS REBOOT was established with a straightforward mission: to enable businesses through technology. Throughout the years, we have established a reputation for providing innovative, dependable, and affordable software solutions to clients in various industries. Our passion drives us to consistentl
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
London, England, Gb
Services Provided+9 Services
15% Software Development Services
15% Mobile App Development (iOS & Android)
15% Custom Web Application Development
10% Product UX Strategy
AI Summary
“Jarvis Reboot is a UK-based technology company delivering innovative software, UI/UX, and branding solutions including blockchain, e-commerce, mobile and web applications, enhancing business efficiency and user experience.”
Leonstride Technologies Pvt Ltd
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Established in 2018, Leonstride Technologies is an international IT service provider that focuses on offering innovative and scalable solutions across various sectors. Serving clients throughout North America and Europe, we provide comprehensive services in Software Development, Cloud Solutions, Mob
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Services Provided+5 Services
10% BI & Big Data Consulting & SI
14% Cloud Consulting & SI
10% Machine Learning Model Development
13% Mobile App Development (iOS & Android)
AI Summary
“Leonstride Technologies, founded in 2018, delivers innovative IT services including software development, cloud, and QA across diverse industries, supporting global clients in digital transformation.”
Dhruveni Microsolutions
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Dhruveni Microsolutions™ is an IT solutions provider that combines an entrepreneurial spirit with creative flair. Our team can be regarded as the pioneers of the IT field, committed to delivering solutions that meet our clients' needs. Having successfully assisted over 500 clients and users, we are
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Ahmedabad, Gujarat, In
Services Provided+4 Services
5% E-Commerce Development
10% Custom Web Application Development
8% Mobile App Development (iOS & Android)
2% QA & Software Testing
AI Summary
“Dhruveni Microsolutions delivers innovative, scalable IT solutions with a pioneering approach, supporting over 500 clients to embrace digital transformation and future-ready technologies.”
APPZORRO
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We highly recommend our team for mobile and web solutions. We are eager to collaborate with individuals who aspire to improve the future. Our team thrives on challenges, exploring various solutions to identify the best one, and if we can't find an existing solution, we develop a new one ourselves. B
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Sahibzada Ajit Singh Nagar, Punjab, In
Services Provided+6 Services
18% Mobile App Development (iOS & Android)
10% Custom Web Application Development
5% E-Commerce Development
5% Backend Development
AI Summary
“APPZORRO is a global IT firm from Mohali, India, providing comprehensive mobile, web, enterprise, cloud solutions, and design services since 2010 with innovative, client-focused expertise.”

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Top QA & Software Testing Firms

List of the Best QA & Software Testing Agencies

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