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

NORBERT DIGITAL SERVICE
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Norbert Digital Service est une agence digitale complète qui aide les entreprises et les entrepreneurs dans leur transition numérique. Nous offrons des services de développement web et mobile, d'intelligence artificielle, d'automatisation des processus, de data engineering, de marketing digital, de
Highlights
$250,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Services Provided+3 Services
11% Mobile App Development (iOS & Android)
9% API Development & Integration
5% QA & Software Testing
14% AI Strategy & Roadmap Consulting
AI Summary
“Norbert Digital Service is a comprehensive digital agency offering web and mobile development, AI, process automation, data engineering, marketing, UI/UX design, and training to drive strategic, value-added digital transformation.”
vaux
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Vaux is a product design and development firm located in Surat, India, that specializes in creating premium digital products to enhance your online visibility. Their goal is to empower businesses by bringing concepts to life and delivering meaningful digital experiences. Vaux's Services: Vaux's Appr
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Surat, Gujarat, In
Services Provided+8 Services
6% Product UX Strategy
5% Mobile App UI Design
4% Web App UI Design
4% UX Research & Usability Testing
AI Summary
“Vaux is a Surat-based product design and development firm specializing in premium digital products that enhance online visibility and support business growth through impactful digital experiences.”
Ominfowave Software Services Pvt Ltd
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Transform your business ideas into reality with Ominfowave, a trusted IT and Software development company based in Rajkot, India. At Ominfowave, we offer mobile app development, QA, web & software solutions, design, and digital marketing services. Ominfowave stands out with a team of skilled develop
Highlights
$10,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Rajkot, Gujarat, In
Services Provided+11 Services
7% Custom Web Application Development
10% Mobile App Development (iOS & Android)
2% E-Commerce Development
5% Backend Development
AI Summary
“Ominfowave is an IT company in Rajkot offering mobile app, web development, design, QA, digital marketing, and IT consulting with a skilled global team and extensive client base.”
EmergenceTek Group
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EmergenceTek Group (ETG) is a specialized technology consulting company that offers services in data engineering, system integration, blockchain, software development, team support, and premium consulting for small and medium-sized businesses, primarily targeting the healthcare sector.
Highlights
$25,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Buffalo, New York, Us
Services Provided+24 Services
2% Robotic Process Automation (RPA)
2% Custom AI Chatbot Development
2% Generative AI
3% Machine Learning Model Development
AI Summary
“EmergenceTek Group is a technology consulting firm specializing in data engineering, system integration, blockchain, software development, and consulting services mainly for healthcare SMBs.”
Honeycomb Software
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AI-driven software engineering tailored to your needs. We are a worldwide software engineering firm dedicated to assisting startups, scale-ups, and large enterprises in accelerating their digital transformation while swiftly delivering modern, AI-enhanced products. Since our inception in 2015, our t
Highlights
$1,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
50-249
Employees
Services Provided+44 Services
4% Custom Web Application Development
3% Mobile App Development (iOS & Android)
3% API Development & Integration
2% E-Commerce Development
AI Summary
“Honeycomb Software is a global AI-driven software engineering firm offering custom solutions, cloud architectures, and end-to-end digital transformation support across diverse industries and scales.”
POTRi
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At POTRi, we excel in providing advanced software development services that facilitate your digital transformation. We concentrate on web and mobile applications, DevOps, machine learning, generative AI, and Minimum Viable Products (MVPs), enabling businesses to realize their full potential in the d
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Brasov, Brasov, Ro
Services Provided+12 Services
4% API Development & Integration
3% QA & Software Testing
10% Custom Web Application Development
3% Code Review & Technical Audits
AI Summary
“POTRi specializes in advanced software development, delivering web, mobile, DevOps, AI, and MVP solutions to drive digital transformation and support scalable, innovative business growth.”
TheBrain Software House
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TheBrain Software House is composed of highly talented and driven software developers. Our expertise spans a wide range of areas, including devops, automated testing, low and high-level programming, backend and frontend development, as well as UX/UI design. We focus on the quick creation of dependab
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Services Provided+5 Services
13% Custom Web Application Development
10% Mobile App Development (iOS & Android)
10% Backend Development
8% Frontend Development
AI Summary
“TheBrain Software House delivers custom, thoroughly tested web and mobile applications with expert UI/UX design, leveraging diverse programming skills and modern technologies for reliable, user-focused solutions.”
Lorentus Ltd.
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We are a team of skilled software engineers providing a complete range of digital services for startups, digital agencies, publishing firms, and other small to medium-sized enterprises. Instead of spending a fortune on hiring a freelance web developer or navigating complicated contracts with recruit
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Poznan, Greater Poland, Pl
Services Provided+5 Services
13% Custom Web Application Development
13% Mobile App Development (iOS & Android)
5% E-Commerce Development
8% Backend Development
AI Summary
“Lorentus Ltd. offers comprehensive digital solutions including web and mobile app development, supported by skilled engineers, QA specialists, and project management for startups and SMEs.”
Tinasoft Vietnam
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Founded as a laboratory in 2015, Tinasoft has quickly positioned itself as a leading Software Development and Digital Transformation Consultancy in Vietnam. Our extensive experience, expertise, state-of-the-art facilities, professional management, and dedication have ensured our clients' highest sat
Highlights
$5,000+
Min Project Size
< $25/hr
Avg Hourly Rate
50-249
Employees
Hanoi, Vn
Services Provided+5 Services
17% Custom Web Application Development
12% Mobile App Development (iOS & Android)
5% QA & Software Testing
10% AI Strategy & Roadmap Consulting
AI Summary
“Tinasoft Vietnam is a leading software development and digital transformation firm, delivering custom software, AI-driven automation, and data analytics solutions with expert IT staffing since 2015.”
Appcore Labs
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Appcore Labs stands out from conventional development firms. With years of expertise in steering successful ventures from inception to acquisition, we not only create top-tier products but also assist our clients in formulating a robust roadmap, overseeing maintenance, preparing for sale, and connec
Highlights
$25,000+
Min Project Size
10-49
Employees
Corona, California, Us
Services Provided+8 Services
4% QA & Software Testing
3% Legacy System Modernization
13% Mobile App Development (iOS & Android)
6% Custom Web Application Development
AI Summary
“Appcore Labs delivers end-to-end mobile and web app development, guiding projects from concept to launch, with expertise in roadmap planning, maintenance, and tech community integration.”

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Top QA & Software Testing Firms

List of the Best QA & Software Testing Agencies

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