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

grafx apps
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Our group of skilled developers holds degrees in computer science and possesses over five years of average experience in software development.
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
2-9
Employees
Los Angeles, California, Us
Services Provided+5 Services
20% Custom Web Application Development
10% QA & Software Testing
10% Graphic Design
10% Logo Design
AI Summary
“grafx apps excels in software development, offering expert web and mobile app development services. Their skilled developers have strong experience in custom web and mobile application projects, delivering tailored digital solutions.”
Offroadcode Limited
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In summary, we create and develop websites. Our team has extensive experience collaborating with various clients on projects that range from small sites to large-scale applications operating on multiple servers. We craft durable websites and applications that not only function effectively but also c
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Huddersfield, West Yorkshire, Gb
Services Provided+2 Services
20% E-Commerce Development
10% QA & Software Testing
20% Custom Web Application Development
13% UX Audit & Heuristic Evaluation
AI Summary
“Offroadcode Limited specializes in designing and developing durable websites and applications, delivering scalable, effective solutions that enhance client investment returns across diverse project sizes.”
CodingCops
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CodingCops serves as a comprehensive technology partner, assisting businesses in designing, developing, scaling, and maintaining software systems with assurance. We collaborate with startups, growing companies, and enterprises to tackle intricate engineering challenges in areas such as custom softwa
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
250-999
Employees
Chicago, Illinois, Us
Services Provided+15 Services
5% Frontend Development
8% Custom Web Application Development
4% Mobile App Development (iOS & Android)
4% QA & Software Testing
AI Summary
“CodingCops partners with businesses to design, develop, and scale software systems using modern technologies, emphasizing quality engineering, scalability, and long-term collaboration across diverse industries.”
Yobi Code
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We focus on software engineering and collaborate with businesses and organizations to support their technological growth and achieve their digital goals.
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Randburg, Gauteng, Za
Services Provided+3 Services
18% Custom Web Application Development
12% Mobile App Development (iOS & Android)
10% E-Commerce Development
10% QA & Software Testing
AI Summary
“Yobi Code specializes in software engineering, partnering with businesses to enhance technological development and support digital transformation initiatives with tailored solutions.”
Wirtek
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Wirtek is a Danish company specializing in technology and IT engineering solutions that offers software development and consulting services to clients around the globe. Originating as a spin-off from Nokia, the company boasts over 25 years of experience in assisting organizations in modernizing thei
Highlights
$50,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
50-249
Employees
Aalborg, Dk
Services Provided+9 Services
8% Custom Web Application Development
3% Mobile App Development (iOS & Android)
7% Backend Development
3% Frontend Development
AI Summary
“Wirtek is a Danish IT engineering firm offering software development, IoT, and digital solutions, specializing in energy, automation, and digital transformation for global clients across industries.”
Red Orange Technologies Private Limited
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Red Orange Technologies Private Limited has been operational since 2011, offering support in design and development with a focus on enhancing your brand's visibility, creating engaging experiences, expanding your business, increasing attention, connecting with your audience, and ensuring your websit
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
50-249
Employees
Sahibzada Ajit Singh Nagar, Punjab, In
Services Provided+8 Services
10% Custom Web Application Development
5% API Development & Integration
3% QA & Software Testing
5% ERP & CRM Development
AI Summary
“Red Orange Technologies Private Limited specializes in comprehensive IT solutions including consulting, software development, cloud services, AI, and design to enhance business growth and customer engagement.”
TECHNEXUS
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Bespoke Software Development Crafted solutions tailored to meet the unique requirements of your business. We manage everything from initial ideas to coding, testing, and deployment, guaranteeing a seamless experience and software that aligns perfectly with your needs. Our primary services include: S
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
50-249
Employees
Services Provided+2 Services
20% Custom Web Application Development
20% Mobile App Development (iOS & Android)
10% QA & Software Testing
20% Product UX Strategy
AI Summary
“TECHNEXUS delivers custom software, web, and mobile development services, complemented by quality assurance and UI/UX design, ensuring tailored, end-to-end solutions aligned with client needs.”
Adaptive Technolab
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Adaptive Technolab provides a comprehensive array of IT services, focusing on Website Design, Website Development, Mobile Applications, Internet Marketing, and SEO. Our team consists of highly qualified and skilled professionals who are passionate about their work and excel in their areas of experti
Highlights
2-9
Employees
Rajkot, Gujarat, In
Services Provided+2 Services
45% Software Development Services
25% Mobile App Development (iOS & Android)
15% Custom Web Application Development
5% QA & Software Testing
AI Summary
“Adaptive Technolab excels in Software Development with strong capabilities in Custom Web Application Development, Mobile App Development, E-Commerce Development, and Application Testing, delivering high-quality IT solutions for diverse online business needs.”
Hidden Brains InfoTech
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Hidden Brains, established in 2003, is a leading AI consulting and custom enterprise software development firm that specializes in creating innovative solutions powered by AI technology for businesses. We facilitate comprehensive digital transformation for a range of industries worldwide, enabling b
Highlights
$25,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
250-999
Employees
Ahmedabad, Gujarat, In
Services Provided+11 Services
5% ERP & CRM Development
5% QA & Software Testing
5% API Development & Integration
6% Frontend Development
AI Summary
“Hidden Brains InfoTech provides AI-driven custom software development and digital transformation solutions across 39 industries worldwide, utilizing agile methodologies to deliver innovative, scalable technology services.”
Zco Corporation
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Zco Corporation is a premier custom software development firm focused on creating feature-rich applications tailored to the specific needs of our clients. Founded in 1989 by President John Olapurath, Zco has been committed to utilizing the latest technologies to develop innovative software solutions
Highlights
$10,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
250-999
Employees
Nashua, New Hampshire, Us
Services Provided+3 Services
18% Mobile App Development (iOS & Android)
15% Custom Web Application Development
8% Backend Development
7% Frontend Development
AI Summary
“Zco Corporation specializes in custom software development, delivering innovative, scalable solutions using diverse technologies to startups and Fortune 500 clients, supporting their business objectives across industries.”

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