Explore leading software testing companies that launch high-performing products, detect bugs early, improve stability, and ensure every feature works correctly across devices and environments. For teams focused on the US market, we also highlight trusted partners with region-specific expertise, including top US-based software testing companies.

Best Software Testing Firms

136 Companies-Rankings updated: October 27, 2026

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

Fashion ×
  • Sports Betting Software Development Company | Sports Betting Solution

    Sports Betting Soft is a leading iGaming technology provider delivering tailored sports betting and casino software solutions for both startups and established operators. We specialize in building innovative, reliable, and high-performance platforms designed to meet unique client needs and exceed in...

    Top Services:

    • Mobile App Development
    • Graphic Design
    • eCommerce Development
    • Web Development
    • Blockchain
    • Show more
    Location
    Borehamwood, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    10 Projects Listed
  • AI That Transforms Businesses

    Mindera Software Craft specializes in crafting robust IoT solutions through high-performance, scalable software systems. From product development and performance testing to technology consultancy, we provide end-to-end services tailored to your needs...

    Top Services:

    • Software Development
    • Software Testing
    • IoT
    • DevOps Consulting
    • UI/UX Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
  • Your product engineering ally.

    Rebbix proves that results-oriented outsourcing without bullshit and sugar coating is possible.We provide highly effective engineering teams as a service. Since 2012, weve been helping online marketplaces scale to different markets, transform from classifieds to transactional, launch, pivot, and find...

    Top Services:

    • Software Development
    • Mobile App Development
    • Staff Augmentation
    • UI/UX Design
    • IoT
    • Show more
    Location
    Lviv, Ukraine
    Number of Employees
    50 - 99
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    4 Projects Listed
  • We Deliver Promises

    Enterprises with AI, Data & Digital EngineeringGEGNAT is a global technology consulting and software engineering company specializing in Artificial Intelligence, Data Engineering, Master Data Management (MDM), Cloud Platforms, and Enterprise Digital Transformation...

    Top Services:

    • Web Development
    • eCommerce Development
    • SEO
    • AI Development
    • Mobile App Development
    • Show more
    Location
    Albuquerque, New Mexico
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
  • Commerce Engineering for Complex B2B Systems

    Ecommerce engineering agency for Adobe Commerce (Magento), Shopify Plus, SFCC, Medusa and Shopware. B2B portals, ERP integration (SAP, NetSuite, Dynamics), replatforming, rescue of failing builds, team extension. Adobe Commerce Silver, Hyvä Bronze Partner. Est. 2009, 200+ engineers, Europe and US...

    Top Services:

    • eCommerce Development
    • Web Development
    • Mobile App Development
    • Software Testing
    • Cloud Consulting
    • Show more
    Location
    Tallinn, Estonia
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    20 Projects Listed
  • Creating and inventing together!

    Marble IT delivers exceptional solutions with cutting-edge technology. Our agile teams create tailor-made Web and Mobile apps, Video Games, 3D encounters, and AR/VR solutions. We expand our knowledge to stay ahead of the curve and deliver unique solutions. We're here to help you achieve your goals!...

    Top Services:

    • Software Development
    • Mobile App Development
    • Staff Augmentation
    • VR/AR
    • Web Development
    • Show more
    Location
    Novi Sad, Serbia
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    23 Projects Listed
  • STS Software GmbH - Leading Software Development Company in Switzerland

    As an Olten-based business, STS Software GmbH boasts a strong force of software engineers. With this fortification, the STS Software GmbH team has reached a large number of prominent Swiss businesses as strategic partners, contributing to our already formidable industry standing...

    Top Services:

    • Web Design
    • Web Development
    • Software Development
    • Mobile App Development
    • AI Development
    • Show more
    Location
    Olten, Switzerland
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    1 Project Listed
  • Imagine. Design. Build.

    Kemana is an award-winning global ecommerce agency helping B2C, B2B and marketplace brands design, build and scale digital commerce. Services include ecommerce platforms, mobile apps, UX, integrations and managed services across Shopify, Adobe Commerce, Salesforce and cloud technologies...

    Top Services:

    • Digital Services
    • eCommerce Development
    • Web Design
    • Digital Marketing
    • AI Development
    • Show more
    Location
    Singapore, Singapore
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
  • AI automation for manufacturing · Custom software development · EU engineering teams

    Snotor is an EU software development company headquartered in Riga, Latvia, with an office in London. We help manufacturers automate complex processes with AI, deliver end-to-end custom software, and provide nearshore engineering teams to companies across Europe, the UK and the US...

    Top Services:

    • AI Development
    • Software Development
    • Staff Augmentation
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Riga, Latvia
    Number of Employees
    50 - 99
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    45 Projects Listed
  • Enterprise Grade App & Web Development Services

    At RichestSoft, we don't just build apps; we create seamless digital experiences that automate businesses. As a leading Mobile App and Web Development Company, we partner with visionary companies to bring their ideas to life, blending their vision with our cutting-edge technical expertise to spark future...

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • Software Testing
    • AI Development
    • Show more
    Location
    Mohali, India
    Number of Employees
    250 - 499
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed
  • Lets build some tech together!

    Guiding and helping businesses worldwide build solutions that sell. Genetech is an award-winning custom software development company with almost 2 decades of experience in delivering top-notch tech services, including AI, IoT, Intelligent Apps, Cyber Security, and Tech Talent...

    Top Services:

    • Software Development
    • AI Development
    • Mobile App Development
    • Staff Augmentation
    • Cybersecurity
    • Show more
    Location
    Ann Arbor, Michigan
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    34 Projects Listed
  • A Canada-Based Mobile App Development Agency for Scalable, Beautiful Apps

    AI-Powered Web & Mobile App Development Company...

    Top Services:

    • Mobile App Development
    • Software Development
    • VR/AR
    • AI Development
    • IoT
    • Show more
    Location
    Calgary, Canada
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    41 Projects Listed
  • Shopify/Plus | Web Development | AI Development | UX/UI design | Custom Development

    DigitalSuits is a full-cycle ecommerce agency with a focus on Shopify development and extensive expertise in AI development, web development, and custom software development...

    Top Services:

    • eCommerce Development
    • Software Development
    • Web Development
    • Web Design
    • Staff Augmentation
    • Show more
    Location
    Miami, Florida
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed
  • M TECHUB LLC

    VerifiedVerified by the DesignRush team for authenticity and credibility.
    M TECHUB LLC, Where Ideas Become Scalable Digital Products

    M TECHUB LLC Leading Mobile App Development & Staff Augmentation Company in the USA...

    Top Services:

    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • AI Development
    • Web Development
    • Show more
    Location
    Mountain View, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    25 Projects Listed
  • Skywinds Solutions

    Award WinnerRecipient of a Best Design Award for outstanding work.
    Custom Software Development Company

    We are a custom software development company that believes in thinking outside the box and making things happen. We create disruptive software at affordable prices, and our employees are experienced and experts in this business...

    Top Services:

    • Mobile App Development
    • Software Development
    • IT Services
    • Business Consulting
    • Cloud Consulting
    • Show more
    Location
    Ahmedabad, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    10 Projects Listed
  • Upcore: Redefining Tech Excellence for Tomorrow.

    At Upcore Technologies, we take pride in our ability to stay ahead of the curve in the ever-evolving digital realm. Our team of experts is constantly exploring and mastering emerging technologies, enabling us to deliver cutting-edge solutions that redefine the boundaries of what's possible...

    Top Services:

    • UI/UX Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • Mobile App Development
    • Show more
    Location
    Wilmington, Delaware
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • Data Science with Purpose, Innovation with Impact.

    Sigli is a forward-thinking software development firm specializing in Digital Product Development and Transformation. Certified under ISO/IEC 27001, we ensure top-tier information security. "Data Science with Purpose, Innovation with Impact" defines our mission to deliver high-quality, scalable digital...

    Top Services:

    • AI Development
    • Software Development
    • Staff Augmentation
    • CRM Consulting
    • ERP Consulting
    • Show more
    Location
    Antwerp, Belgium
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
  • Painless software development

    Organizing the teamwork with the client, we dive deep into their business needs and find the optimal way to reach the final goal with software...

    Top Services:

    • Software Development
    • Mobile App Development
    • eCommerce Development
    • Web Development
    • UI/UX Design
    • Show more
    Location
    Herford, Germany
    Number of Employees
    250 - 499
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    22 Projects Listed
  • AI & ML | App Development | Data Engineering

    Wednesday is a leading Product Engineering Agency. We have worked with over 50 Global Brands.Y-Combinator & Sequoia funded startups, unicorns, and listed enterprises have worked with Wednesday for some of their most challenging engineering, product, and design needs...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Product Design
    • AI Development
    • Show more
    Location
    Pune, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed
  • Custom AI Video Software & Multimedia Solutions

    Fora Soft builds the hard real-time parts of software: video streaming and calls, audio and voice, and the AI on top of them. 250+ projects since 2005, 50+ in-house specialists, more than 1,000 person-years and 2M+ hours of engineering. 5.0 on Clutch, 99% Job Success and Top Rated Plus on Upwork...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Web Development
    • Software Testing
    • Show more
    Location
    Hong Kong, Hong Kong
    Number of Employees
    50 - 99
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    18 Projects Listed
  • Connecting the Digital Dots

    We are an Engineering company with leading capabilities in Digital Transformation, Internet-related services and products, Data Science, Development Operations, Product as a Service, Technology Consulting, and Software Engineering. We are trusted by NSE giants as a digital transformation partner and have a...

    Top Services:

    • Mobile App Development
    • Wearables
    • IoT
    • Web Development
    • AI Development
    • Show more
    Location
    Noida, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $10,000 - $25,000
  • Tinker is an innovation company. Our mission is to pioneer the next cutting edge digital products, and invent the future.We are in the business of innovation with intention to draw the roadmap others can follow. We’re dreamers, we’re builders, we’re artists and engineers.We Tinker, Strategize, redefine...

    Top Services:

    • Branding
    • Mobile App Development
    • Digital Services
    • Product Design
    • eCommerce Development
    • Show more
    Location
    Nairobi, Kenya
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
  • Turning Ideas Into Powerful Solutions

    Our talented team of developers, UI/UX designers, and project managers is dedicated to transforming your business needs into efficient, scalable software solutions. Based in Lithuania, we specialize in web and mobile applications, SaaS platforms, and AI automation, delivering robust, user-friendly p...

    Top Services:

    • Mobile App Development
    • Software Development
    • eCommerce Development
    • Web Development
    • Web Design
    • Show more
    Location
    Kaunas, Lithuania
    Number of Employees
    Under 49
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
  • We transform ideas into digital solutions that make businesses grow.

    Holdapp is a mobile and web app development company from Wroclaw, Poland. We bring together the worlds of business, software developers, and users to create products that let our clients grow. Since 2012, we've been helping companies worldwide to thrive in the digital realm...

    Top Services:

    • Web Development
    • Mobile App Development
    • Product Design
    • UI/UX Design
    • Software Testing
    • Show more
    Location
    Wroclaw, Poland
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
  • Empowering Your Product Team

    DLYMI is a full-service, collaborative, human-centered design studio. We work with clients from vision through execution and release. We are your partner in creating thoughtful digital experiences that have a responsible impact on the world while delivering on business goals and customer value...

    Top Services:

    • Design Services
    • Product Design
    • UI/UX Design
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Denver, Colorado
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
  • Your Partner for E-commerce Modernization and AI-Powered Automation

    Born in 2013, Destm has honed its craft, becoming a trusted software consulting partner for businesses across industries. We don't just build, we transform, with a special focus on propelling e-commerce giants to new heights. We speak your language: React, Next.js, Python, Java & more. Your vision is our...

    Top Services:

    • Creative Services
    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • Show more
    Location
    Mohali, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • Appfodev is a forward-thinking software development company.

    Appfodev is a forward-thinking software development company that transforms ideas into innovative digital solutions. With expertise in cutting-edge technologies, we specialize in building custom apps, intelligent systems, and scalable platforms tailored to drive growth and enhance user experiences. Our...

    Top Services:

    • IoT
    • Software Testing
    • Blockchain
    • VR/AR
    • AI Development
    • Show more
    Location
    New Delhi, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
  • Start Your Journey To Better Business

    DevGinix is a software development company that helps businesses build, scale, and optimize digital products through custom software, web development, mobile applications, cloud solutions, and digital transformation services. With a team of development professionals and experience across industries such as...

    Top Services:

    • Mobile App Development
    • Software Development
    • Wearables
    • AI Development
    • Software Testing
    • Show more
    Location
    Valley Stream, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • London studio building AI, web and mobile products that launch fast and scale far

    Foundry 5 is a London software studio building AI, web and mobile products for founders and enterprise teams. Since 2021 we have turned early ideas into live MVPs in around four weeks, then scaled them on clean, well-documented infrastructure. Across 50+ projects in FinTech, FemTech and more, we have kept a...

    Top Services:

    • Web Design
    • Web Development
    • WordPress Website Design
    • AI Development
    • Mobile App Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • WordPress without limits.

    GoLiveQuick is a founder-led studio designing custom WordPress websites, WooCommerce and Shopify stores and advanced digital platforms for ambitious brands worldwide...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • UI/UX Design
    • Show more
    Location
    Bengaluru, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
  • Your digital partner, from code to conversion

    Vinxor is a UK-based software development and digital solutions company helping businesses transform ideas into scalable digital products...

    Top Services:

    • Digital Services
    • Graphic Design
    • Web Design
    • Web Development
    • Affiliate Marketing
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $10,000 - $25,000
  • Built On People, Powered By Tech

    Genius Software is a technology product design and development company headquartered in Tallinn, Estonia, with delivery offices in Ukraine and Poland. The company provides end-to-end software engineering, AI development, technology consulting, and outsourcing services for startups, established businesses, and...

    Top Services:

    • Staff Augmentation
    • eCommerce Development
    • Web Development
    • Blockchain
    • Software Development
    • Show more
    Location
    Tallinn, Estonia
    Number of Employees
    50 - 99
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
  • Official Zoho Premier Partner & Certified Team

    XpertPrime LLC is a US-based Zoho implementation partner and custom software development firm. We specialize in Zoho CRM, Zoho One, Zoho Creator, and full-suite ERP implementations for businesses across the United States, Canada, and New Zealand. With a 45+ engineer team and Zoho partner status, we deliver...

    Top Services:

    • Design Services
    • Product Design
    • eCommerce Development
    • Digital Marketing
    • Software Development
    • Show more
    Location
    Dayton, Ohio
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • Make things happen

    DigitilizeWeb takes pride in everything we do and collaborate with our clients to develop the most effective strategies for their businesses. We create a unique tone for your business and communicate it to your consumers through a variety of mediums, making each endeavor unique. Whether we're managing our...

    Top Services:

    • Mobile App Development
    • Web Design
    • eCommerce Development
    • WordPress Website Design
    • SEO
    • Show more
    Location
    Manchester, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    30 Projects Listed
  • We Maximize Your ROI, Trusted by 1000+ Clients ️

    With over 9+ years of experience and 1000+ happy clients, we commit ourselves to your growth. Our team of 85+ of digital marketing experts has delivered:1. 493.37% Increase In Conversions2. 140.91% Increase In Purchases3. 702.60% Increase In Conversion Value4. 180.50% Increase In New Users...

    Top Services:

    • Digital Marketing
    • Public Relations
    • IT Services
    • UI/UX Design
    • Software Testing
    • Show more
    Location
    Mohali, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    32 Projects Listed
  • QualiMatrix Technologies: Always believe in Quality. We are ISO certified - 9001, 27001

    One of the top Cyber Security providers, Web Development Services, App Development Services, UI/UX Services, and Software Testing Services...

    Top Services:

    • Branding
    • Web Design
    • Web Development
    • IoT
    • Software Testing
    • Show more
    Location
    Bengaluru, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $13/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Empowering Businesses through custom software solutions

    We empower businesses of all sizes, from startups to enterprises, by making smart and creative digital solutions. We care about our client's requirements and work hard to understand them. By listening closely, we ensure our software fits their needs perfectly and helps them do great things...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Ahmedabad, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
  • Full-scope manual quality assurance for all eCommerce.

    One-stop manual quality assurance partner for eCommerce. 30+ available experts with 10+ years of experience and 24-hour onboarding. Our services cover manual cross-browser/device testing, critical user journey testing, testing requirements preparation, smoke tests, writing feature manuals, and more...

    Top Services:

    • Software Testing
    Location
    Riga, Latvia
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
  • IT Services and IT Consulting

    Pranshtech Solutions Pvt Ltd. is a global, full-service IT solution company specializing in web, mobile apps, software, AI/ML, UI/UX, and QA services. We specialize in delivering cutting-edge technology services and solutions tailored to meet the unique needs of businesses across various industries...

    Top Services:

    • Web Development
    • Software Development
    • Web Design
    • Graphic Design
    • Digital Marketing
    • Show more
    Location
    Michigan, North Dakota
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • Revolutionize Your Business Online Presence With Us.

    We are an Affordable Digital Marketing Agency in Shawnee with budget-friendly solutions to amplify your brand. RevoluteX Digital: Your digital success catalyst! Specializing in Google marketing, website development, and social media magic, we craft online experiences that captivate and strategies that...

    Top Services:

    • Digital Services
    • Web Design
    • WordPress Website Design
    • Digital Marketing
    • SEO
    • Show more
    Location
    Shawnee, Kansas
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Audit-Ready Mobile Apps & AI: 30+ Apps, 1M+ MAU

    Luma Commons is a Dubai-based independent mobile app development studio led by a seasoned technology consultant and backed by a small team of trusted engineers. You work directly with the people building your product, without unnecessary sales layers or handoffs...

    Top Services:

    • Mobile App Development
    • Web Development
    • AI Development
    • Staff Augmentation
    • Product Design
    • Show more
    Location
    Dubai, United Arab Emirates
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 Projects Listed
  • Building super powered apps with Flutter

    FlutterLab is one of the first Flutter-focused Software Development companies been developing with Flutter since the first open beta in 2018...

    Top Services:

    • Mobile App Development
    • Software Development
    • Software Testing
    • IT Services
    • UI/UX Design
    • Show more
    Location
    Valencia, Spain
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
  • AI-Powered Software Development For a Smarter Future

    Auspicious Soft is a USA-based custom software, web & mobile app development company with 8+ years of experience serving startups, SMEs & enterprises across healthcare, fintech, logistics & more...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Blockchain
    • AI Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Reliable Software Development Partner

    CoreDron Solutions is a software development company specializing in custom web, mobile, and AI development for startups, agencies, and growing businesses. The company provides end-to-end digital product development, from design and MVP development to scalable enterprise platforms...

    Top Services:

    • eCommerce Development
    • Web Development
    • Software Development
    • Software Testing
    • IT Services
    • Show more
    Location
    Ahmedabad, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • Full-Service E-commerce Development Company

    An ecosystem for B2B/ B2B2C websites on multiple platforms with robust technology and a customer-oriented mindset...

    Top Services:

    • eCommerce Development
    • Web Development
    • Software Development
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Hanoi, Vietnam
    Number of Employees
    250 - 499
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    10 Projects Listed
  • Think Partner, Not Agency

    Acquaint Softtech is an Official Laravel Partner with 15+ years of experience in software development. We specialize in Laravel solutions and excel in IT staff augmentation, remote development teams and outsourcing to deliver scalable, best results...

    Top Services:

    • Staff Augmentation
    • IT Services
    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Show more
    Location
    Ahmedabad, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
  • Delivering Excellence

    Protolabz eServices is a leading IT solutions company providing E-Commerce Web Development, Custom Web Design, Mobile App Development, Software Development, SEO, Graphic Designing, Web Hosting and Support to clients globally for the last 6+years. We are equipped with the latest industry technology;...

    Top Services:

    • Mobile App Development
    • Software Development
    • eCommerce Development
    • Web Development
    • Web Design
    • Show more
    Location
    Phagwara, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Solve Business Challenges with IT

    Techvantage delivers high-performance software engineering and agile team staffing solutions that help businesses be more successful tomorrow. TechVantage Innovations is a software construction business...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Design
    • Graphic Design
    • Branding
    • Show more
    Location
    Abuja, Nigeria
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
  • Mageplaza is a top-rated e-commerce extension & solution provider on the Magento & Shopify platforms

    We are here to make the world of e-commerce a better place with our knowledge, innovation & dedication.At Mageplaza, we're not just another tech company. We're your dedicated partner in crafting amazing online shopping experiences...

    Top Services:

    • eCommerce Development
    • Web Development
    • Managed Services
    • Web Design
    • Mobile App Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    7 Projects Listed
  • Building An Unbiased World

    Tezeract, the AI powerhouse, specializes in Computer Vision and offers innovative AI solutions in ML, DL, NLP, and more. We empower businesses through AI-powered solutions and business automation. We're the secret sauce for businesses, injecting AI-powered sparks into operations and automation...

    Top Services:

    • Mobile App Development
    • AI Development
    • Software Development
    • Software Testing
    • Web Design
    • Show more
    Location
    Karachi, Pakistan
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    39 Projects Listed

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
129,759+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
47%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
136

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

See how rankings and monetization work.

Frequently Asked Questions About Software Testing Companies

What services do software testing firms provide?

Software testing companies provide different testing services to identify errors, security risks, performance issues, and how the software behaves in real-life situations and across devices. As part of their software testing service, they also check if each feature works as expected, fix bugs, make improvements, and make sure new software development updates don’t break existing functions, so the software quality remains stable. 

Core services include: 

  • Functional testing  
  • Performance testing  
  • Security testing  
  • Usability testing  
  • Regression testing   
  • Automation testing  
  • Accessibility testing    
  • Mobile app testing  
  • API testing  
  • Compatibility testing across devices/browsers  
  • Compliance testing  
  • Testing with artificial intelligence (AI) tools
  • QA audit 

How much do software testing services cost?

Hourly rates for QA testing range from $25 to $200+. The final cost is determined based on the size of the software or application, its complexity, required testing type, tech stack (custom-built and older legacy systems cost more), and niche.  

The rate will also depend on the seniority of the software tester. Across the United States, junior quality assurance (QA) tester may charge $70 to $110 per hour, while the rate for a senior QA mentor and automation engineer can range from $130 to $200 per hour.   

Special software testing services such as QA audit goes from $5,000 to $25,000. 

How can businesses know what type of software testing do they need?

Businesses can determine what type of testing solutions they need based on the potential impact of failures and the likelihood of defects. Namely, if they encounter:  

  • Core functionality issues: Use functional testing to verify features work as expected 
  • Unstable code or new features: Use unit testing for individual components and integration testing for modules working together 
  • Poor system stability after updates: Seek regression testing to make sure new changes didn't break existing features 
  • Performance and load issues: Use performance and load testing to evaluate speed and scalability 
  • Security issues: Security and penetration testing are commonly used across apps handling sensitive user data 
  • Hard-to-navigate user experience (UX): Pursue usability testing to determine how intuitive the application is for end users 
  • Low compatibility across devices: Compatibility testing can evaluate how good the app works on different browsers, devices, and OS versions 

There is also the option to choose between manual and automated testing.  

Is automated testing more expensive than manual testing?

As an investment, automated testing is pricier than manual testing but offers a lower cost-per-test over time as it can run the same scripts repeatedly, without human intervention. Conversely, manual testing entails lower upfront fee, but its cost grows linearly as the project grows, as every test cycle requires paid hours from QA testers.  

So, for short-term projects or ones with shifting requirements, manual testing is considered a more economical option, whereas for maintenance and regression cycles, automated testing grants better return on investment. 

The main distinction between these methodologies is that manual testing relies on human observation and interaction to identify defects, whereas automated testing uses software scripts to compare outcomes against predicted results.  

Manual testing is best suited for exploratory testing, usability assessments, ad-hoc bug hunting, and minor hotfix verifications where script development would be inefficient. Automated testing, on the other hand, is primarily used for regression testing to make sure the new code does not break existing features. 

How do businesses measure the effectiveness of software testing?

The effectiveness of the software testing is measured via: 

  • Code coverage: The percentage of the code that has been tested 
  • Defect density: The number of defects found per unit of code 
  • Test case effectiveness: The percentage of test cases that identify defects; helps prune redundant and ineffective tests 
  • Time to detect and fix defects: The time it takes to identify and fix software defects and software bugs 
  • Defect leakage: The number of bugs that "escaped" to production versus those caught during the testing phase Â