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

4,561 Companies

List of the Best QA & Software Testing Agencies

Dev Quaters Innovation
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DevQuarters Innovation offers secure and scalable solutions in blockchain, artificial intelligence, and tailored software development for both startups and large companies.
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
2-9
Employees
Services Provided+4 Services
5% QA & Software Testing
8% Mobile App Development (iOS & Android)
3% E-Commerce Development
10% Custom Web Application Development
AI Summary
“Dev Quaters Innovation specializes in secure, scalable blockchain, AI, and customized software solutions, serving startups and large enterprises with innovative technology services.”
Athenia Labs
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We are Athenia Labs, a team based in the UK focused on developing scalable mobile apps and full-stack platforms. We collaborate with founders, startups, and growing companies to transform concepts into tangible products, including apps, SaaS platforms, and custom web solutions. Some clients approach
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
London, England, Gb
Services Provided+5 Services
13% Mobile App Development (iOS & Android)
10% Custom Web Application Development
8% SaaS Product Development
2% QA & Software Testing
AI Summary
“Athenia Labs, UK-based, develops scalable mobile apps, SaaS, and web platforms for startups and businesses, managing projects end-to-end with a focus on quality and collaboration.”
nuekflame
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NuekFlame is a Mombasa-based digital solutions firm in Kenya that specializes in developing top-notch websites, web applications, mobile applications, and digital experiences aimed at helping businesses thrive online. Their emphasis is on innovative design, cutting-edge technology, and scalable serv
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+3 Services
18% E-Commerce Development
7% QA & Software Testing
25% Mobile App UI Design
10% Logo Design
AI Summary
“NuekFlame, based in Mombasa, Kenya, delivers innovative digital solutions including website, web and mobile app development, SEO, and e-commerce services to drive business growth.”
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Yedaiah
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Website AI chatbots - Provide 24/7 responses to visitor inquiries. Self-improvement through WhatsApp. AWS Connect IVR - Manages calls outside of regular hours. MCP Integrations - Link any business data to Claude. AWS serverless websites - Quick, secure, and cost-effective to operate with GitLab CI/C
Highlights
$25-49/hr
Avg Hourly Rate
2-9
Employees
Telford, England, Gb
Services Provided+3 Services
17% Custom Web Application Development
5% QA & Software Testing
12% API Development & Integration
3% Workflow Automation (Zapier / Make / n8n)
AI Summary
“Yedaiah offers advanced AI chatbot solutions and AWS serverless websites, enabling 24/7 customer interaction, seamless call management, and integrations for enhanced business data connectivity.”
Esolz Technologies Private Limited
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Esolz Technologies has thrived and excelled in web design, development, app development, and digital marketing over the years. With over 16 years of experience, we have served more than 5,000 clients globally, offering customized services to align with their expectations. We consistently stay update
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
50-249
Employees
Kolkata, West Bengal, In
Services Provided+11 Services
7% Custom Web Application Development
4% E-Commerce Development
5% Mobile App Development (iOS & Android)
4% Frontend Development
AI Summary
“Esolz Technologies offers comprehensive solutions in software development, UI/UX design, graphic design, and digital marketing, leveraging 16 years of experience to deliver customized, quality-driven services globally.”
Apps Lobby
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Apps Lobby is a leading provider of customized web and mobile software development, serving clients globally. Key highlights include: * Over 15 years of experience * A team of more than 100 dedicated developers * Clients from 21 different countries * Over 400 projects successfully completed Our expe
Highlights
$5,000+
Min Project Size
< $25/hr
Avg Hourly Rate
50-249
Employees
Indore, Madhya Pradesh, In
Services Provided+9 Services
10% Mobile App Development (iOS & Android)
7% Custom Web Application Development
3% E-Commerce Development
5% Backend Development
AI Summary
“Apps Lobby delivers customized web and mobile software solutions worldwide, leveraging 15+ years' expertise across technologies like React.js, IoT, AI, and blockchain with a skilled 100+ team.”
Exonect Private Limited
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We are a technology-focused IT solutions firm that specializes in custom software development utilizing contemporary frameworks such as React.js and Python Django. Our skills also encompass data analytics and data warehousing, assisting businesses in converting raw data into useful insights. By prio
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Pune, Maharashtra, In
Services Provided+5 Services
10% Custom Web Application Development
4% Mobile App Development (iOS & Android)
5% API Development & Integration
4% Legacy System Modernization
AI Summary
“Exonect Private Limited is an IT solutions firm specializing in custom software development, data analytics, and warehousing, delivering scalable, innovative solutions for informed business growth.”
Softonexa Web Solution Pvt. Ltd.
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Softonexa Web Solution Private Limited is an IT company registered with the MCA and located in Sikar, Rajasthan. We provide top-notch web, app, and software development services both in India and internationally. Our expertise lies in creating scalable digital products, tailored software solutions,
Highlights
10-49
Employees
Sikar, Rajasthan, In
Services Provided+5 Services
15% Custom Web Application Development
13% Mobile App Development (iOS & Android)
8% E-Commerce Development
10% ERP & CRM Development
AI Summary
“Softonexa Web Solution Pvt. Ltd. delivers comprehensive IT services including web, app, and software development, offering scalable, secure, and innovative digital solutions to support business growth.”
Altus Solutions Sdn Bhd
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Founded in 2010, Altus Solutions Sdn Bhd is a reliable technology partner that provides impactful digital solutions, enabling organizations to operate more efficiently, swiftly, and confidently. Our expertise lies in database management, software development, and data analytics, particularly within
Highlights
$25-49/hr
Avg Hourly Rate
10-49
Employees
Services Provided+2 Services
12% Custom Web Application Development
9% Backend Development
4% QA & Software Testing
25% ETL Pipeline Development
AI Summary
“Altus Solutions Sdn Bhd specializes in technology-driven digital solutions, software development, and data analytics, serving healthcare and clinical research sectors with comprehensive IT services and systems integration.”
MediVerticals
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MediVerticals offers advanced, data-focused healthcare marketing solutions that were previously only available to major tech companies. Our team, consisting of skilled AI and healthcare digital marketing specialists, along with seasoned medical professionals, merges state-of-the-art technology and e
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Services Provided+4 Services
14% Custom Web Application Development
10% Backend Development
8% Frontend Development
2% QA & Software Testing
AI Summary
“MediVerticals delivers advanced healthcare marketing solutions combining AI, medical expertise, and digital strategies to improve patient acquisition and operational efficiency for medical practices.”

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Top QA & Software Testing Firms

List of the Best QA & Software Testing Agencies

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