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

112 Companies-Rankings updated: October 24, 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.

$25,000 - $50,000 × Sort by: Avg Hourly Price: High to Low ×
  • Empowering your Business Need

    ZalaTech is a reliable Website Design & Development, Software Development, ERP Implementation Solution, Networking solutions and SEO service provider in Ethiopia. We provide custom web, software, multi-platform solutions for Enterprise and Startup companies in Ethiopia...

    Top Services:

    • Mobile App Development
    • Software Testing
    • Software Development
    • Digital Marketing
    • SEO
    • Show more
    Location
    Addis Ababa, Ethiopia
    Number of Employees
    Under 49
    Average Hourly Rate
    $1100/hr
    Minimal Budget
    $25,000 - $50,000
  • Forward Deployed AI Engineering

    Algosoup is a London-based software development company that provides AI-native, forward-deployed engineering services by embedding software engineers into client teams. It supports startups, scaleups, enterprises, and agencies with rapid MVP development, product engineering, AI integration, legacy...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • Software Testing
    • eCommerce Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $25,000 - $50,000
  • App Development and Managed Cloud Services

    At Custom D, we specialize in developing advanced and bespoke software solutions. We take pride in our work and the transformative impact that custom software can bring to businesses. Our team of highly skilled and experienced developers are passionate about providing exceptional service to our clients, and...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Cloud Consulting
    • Business Consulting
    • Show more
    Location
    Christchurch, New Zealand
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    7 Projects Listed
  • Your Full Stack Technology Partner

    Emergent Software is a full-stack technology solution provider specializing in the Microsoft ecosystem. We partner with our clients to modernize business operations with Microsoft-focused cloud transformation, custom software development, and data engineering...

    Top Services:

    • Web Design
    • Web Development
    • Mobile App Development
    • Software Development
    • Cloud Consulting
    • Show more
    Location
    Minneapolis, Minnesota
    Number of Employees
    100 - 249
    Average Hourly Rate
    $190/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    9 Projects Listed
  • Software Development With A Customized Approach.

    Accelerate your business growth with our innovative software solutions. We combine cutting-edge technology, tailored strategies, and seamless execution to drive your success and stay ahead of the competition...

    Top Services:

    • Web Design
    • Web Development
    • Software Testing
    • Mobile App Development
    • Software Development
    • Show more
    Location
    Calgary, Canada
    Number of Employees
    Under 49
    Average Hourly Rate
    $179/hr
    Minimal Budget
    $25,000 - $50,000
  • Crema is a design consultancy that helps forward-thinking leaders discover, understand, and execute.

    Crema is a design consultancy that helps companies build the custom software they need to compete in todays market. Our product teams blend business strategy and technical expertise to create solutions for our clients most pressing needs...

    Top Services:

    • UI/UX Design
    • Software Development
    • AI Development
    • Software Testing
    • Mobile App Development
    • Show more
    Location
    Kansas City, Missouri
    Number of Employees
    Under 49
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $25,000 - $50,000
  • Leading Edge. Lasting Impact.

    Troy Web Consulting is a trusted guide for organizations, delivering high-quality, practical software solutionscustom web apps, mobile apps, and websiteson time and on budget. We specialize in solving business challenges through custom tailored software development...

    Top Services:

    • Software Development
    • Mobile App Development
    • eCommerce Development
    • AI Development
    • Software Testing
    • Show more
    Location
    Cohoes, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $155/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    27 Projects Listed
  • Train in VR, Lead in Reality.

    VR Vision is a XR (Extended Reality) company that provides immersive technology solutions for business. We provide virtual reality, augmented reality, 3D 360 video, and web and mobile apps!...

    Top Services:

    • VR/AR
    • Software Development
    • Video Production
    • Wearables
    • Software Testing
    • Show more
    Location
    Toronto, Canada
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $25,000 - $50,000
  • Business software with AI inside, built in Houston since 2004.

    Espresso Moon is a Houston custom software company that builds AI-enabled business applications, mobile apps, and cloud platforms for B2B clients, and hosts and supports everything it delivers. We also own and operate GageList, a calibration management SaaS with AI built into the product...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • Software Testing
    • UI/UX Design
    • Show more
    Location
    Spring, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $25,000 - $50,000
  • Designing and Building Platforms for Your AI Bot Development.

    ISBX (Interactive, Strategy, Branding, Execution) stands as the premier web and mobile application development agency in Southern California, boasting extensive expertise across a diverse spectrum of digital services such as Mobile, Blockchain, IoT, Web3, and Web Development. With a track record of...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Blockchain
    • IoT
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    7 Projects Listed
  • Your gateway to bespoke technology solutions that propel your business into the future.

    At Colchuck Consulting, our mission is to drive growth and innovation through tailored technology solutions. Founded by industry experts, our agency offers a unique blend of skills and knowledge, providing a boutique experience with cutting-edge technology and strategic support to maximize your ideas and...

    Top Services:

    • Software Development
    • Mobile App Development
    • Cloud Consulting
    • Web Development
    • UI/UX Design
    • Show more
    Location
    Burien, Washington
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    3 Projects Listed
  • Developing Complex Medical Solutions for Smart Ideas

    Evenset is a Toronto-based mobile and web application development agency for the HealthTech and MedTech industry. As a young and dynamic firm, we have experienced an impressive growth rate, and have established a track record among our clients for being reliable, responsive, and committed to delivering the...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Software Testing
    • Show more
    Location
    Toronto, Canada
    Number of Employees
    Under 49
    Average Hourly Rate
    $130/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    3 Projects Listed
  • Custom CPQ, quoting and operations software for made-to-order manufacturers

    AltoLeap builds custom software for manufacturers. Our core work is Configure-Price-Quote (CPQ) and quoting for made-to-order and engineered-to-order products, plus production workflows, dealer portals, reporting and ERP integrations. We also build dispatch and scheduling for transport operators...

    Top Services:

    • Software Development
    • ERP Consulting
    • CRM Consulting
    • AI Development
    • Big Data Analytics
    • Show more
    Location
    Toronto, Canada
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $25,000 - $50,000
  • Services For Your Business Success

    With 20+ years of experience in complex custom software development projects, we are a reliable Swiss partner for software innovation. Our mission is supporting our customers with innovative solutions that set them apart from the average. We help companies strengthen their uniqueness and fully integrate their...

    Top Services:

    • Mobile App Development
    • Digital Strategy
    • UI/UX Design
    • eCommerce Development
    • Web Design
    • Show more
    Location
    Bubikon, Switzerland
    Number of Employees
    100 - 249
    Average Hourly Rate
    $120/hr
    Minimal Budget
    $25,000 - $50,000
  • Wisdom In Motion

    Pendoah helps North American SMBs turn AI strategy into production systems that pass audits. We deliver secure data foundations, reliable models, and MLOps with compliance and ROI proven in real deployments...

    Top Services:

    • AI Development
    • Software Testing
    • Staff Augmentation
    • Software Development
    • Show more
    Location
    Houston, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $110/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed
  • Talk Think Do is a UK-based custom software development company, founded in 2014, building bespoke cloud-native applications for organisations where failure isn't an option. The team specialises in custom software development, AI implementation, legacy modernisation, API integration, DevOps, and managed...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Managed Services
    • Cloud Consulting
    • Show more
    Location
    Bournemouth, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $108/hr
    Minimal Budget
    $25,000 - $50,000
  • #1 in Cybersecurity, Blockchain, AI&ML, Python, NodeJS

    Apriorit is a leader in smart contract development, cybersecurity services, along with advanced data management technologies. Other services offered by this IT firm include SaaS engineering, Driver development, system programming, professional reverse engineering, blockchain, AI&ML and more...

    Top Services:

    • Software Development
    • Blockchain
    • IT Services
    • Cybersecurity
    • Web Development
    • Show more
    Location
    Lynn, Massachusetts
    Number of Employees
    250 - 499
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • Let's build the future together.

    Finture is dynamic and ambitious team focused on creating IT solutions corresponding with client's needs and current market trends. We support our clients every step of the way - from concept, selection of the right tools and technologies, project planning, code development, testing to maintenance and support...

    Top Services:

    • Software Development
    • IT Services
    • IT Compliance Solution
    • Cybersecurity
    • DevOps Consulting
    • Show more
    Location
    Warsaw, Poland
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    3 Projects Listed
  • Transforming Legacy Systems Into Modern Solutions

    CORE Migration helps organizations update old business applications, move enterprise systems, and lower technical debt through effective modernization strategies. Since 1997, we have focused on application modernization, software migration, custom development, cloud transformation, and AI-supported...

    Top Services:

    • Software Development
    • AI Development
    • Software Testing
    • Mobile App Development
    • Cloud Consulting
    • Show more
    Location
    Ottawa, Canada
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $25,000 - $50,000
  • Coderus - Building Smart Code Solutions for the Future

    Coderus is a leading software and app development company based in the UK, and we provide services to start-ups, medium businesses, and large blue-chip enterprises globally...

    Top Services:

    • Mobile App Development
    • IoT
    • Software Development
    • Software Testing
    • Design Services
    • Show more
    Location
    Martlesham, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed
  • On demand elite tech talent

    Since 2006, X-Team has helped companies scale high-performing engineering teams by connecting them with elite remote developers from around the world...

    Top Services:

    • IoT
    • Software Testing
    • Blockchain
    • VR/AR
    • Mobile App Development
    • Show more
    Location
    Austin, Texas
    Number of Employees
    500 - 999
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
  • Lead the future

    We challenge the present with people-first User Experience Design and Agile Methodologies to harness technology for a better tomorrow...

    Top Services:

    • Software Development
    • UI/UX Design
    • Mobile App Development
    • eCommerce Development
    • Software Testing
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
  • LeanCode

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Top Flutter Development Company for Enterprises and Scale-Ups

    LeanCode is a full-cycle software development company designated as an official Flutter consultant by Google. With a team of 80+ tech experts, we build software solutions that drive change and help enterprises scale...

    Top Services:

    • Mobile App Development
    • Software Development
    • Software Testing
    • Staff Augmentation
    • Show more
    Location
    Warsaw, Poland
    Number of Employees
    50 - 99
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    19 Projects Listed

    LeanCode Services

    • Mobile App Development
    • Software Development
    • Software Testing
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Credit Agricole Bank Polska
    • Virgin Money
    • E. Wedel
    • Maspex
    • Sonova
    • Millennium Bank
    • Welliba
    • Tide
    • Shell
    • Prospector
    Data sourced from the agency's DesignRush profile

    LeanCode Reviews & Testimonials

    • Matej Rešetár
      Matej Rešetár Review from Google
      5.0★

      Matej Rešetár's Review Sourced from Google

      Not only do they make great apps, but they also have the best coffee in the area. For that reason, I recommend coming to a meeting in person 😉

    • Igor Pielas
      Igor Pielas Review from Google
      5.0★

      Igor Pielas's Review Sourced from Google

      Working with a team is a combination of professionalism with high energy and a proactive approach to software development challenges. I definitely recommend it and will be happy to answer questions based on our project - the Activy application for B2B and Polish cities.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • UK-based bespoke software development company

    Appdrawn is a multi-award winning bespoke software development company based in London and Barcelona. We specialise in a consultancy led approach, delivering high quality bespoke digital platforms, business systems, progressive web apps (PWAs) and mobile apps...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • IoT
    • Show more
    Location
    Watford, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • Reliable Custom Solutions

    Fluidity Software Solutions is driven by a deep passion for technology and a commitment to constantly evolve our expertise, techniques and resources. We are constantly pushing boundaries to bring our clients cutting-edge solutions that are tailor-made for them...

    Top Services:

    • Mobile App Development
    • Blockchain
    • AI Development
    • Software Development
    • UI/UX Design
    • Show more
    Location
    Glen, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
  • Supercharge Your Business With Our Highly Personalized Development Services

    HotShots Labs is a boutique mobile end-to-end development agency with a deep focus on business needs. We help you plan, build and launch top-notch tech products. We know the process, we apply the most modern architecture and tools for product development and techniques to boost user satisfaction...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    • Web Design
    • Web Development
    • Software Development
    • Show more
    Location
    Kyiv, Ukraine
    Number of Employees
    50 - 99
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed
  • Boutique Engineering Studio

    EltexSoft is a boutique engineering studio of 35 to 50 senior developers, building web, mobile, and AI products for startups and established companies since 2015. We embed as a long-term extension of your team, the engineers who scope the work are the ones who ship it...

    Top Services:

    • eCommerce Development
    • AI Development
    • Web Development
    • Software Development
    • Mobile App Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    3 Projects Listed
  • Product Design & Engineering for Banks, Fintechs, and Enterprise Platforms

    Alty designs and builds digital products for companies where complexity is high, and decisions must withstand scale.For 16+ years, weve helped fintech, banking, and product-led organizations turn complex digital systems into scalable products used by millions...

    Top Services:

    • Mobile App Development
    • Design Services
    • Software Development
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Cascais, Portugal
    Number of Employees
    50 - 99
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    22 Projects Listed
  • Time to do & time do be

    We are firm believers that getting to know your company through and out is the first and most critical stage in the software development process. For this reason, our technical abilities will place a heavy emphasis on the influence that the software will have on your company as well as the aims that your...

    Top Services:

    • Software Development
    • Web Design
    • UI/UX Design
    • AI Development
    • Software Testing
    • Show more
    Location
    Lisbon, Portugal
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    3 Projects Listed
  • Nearshore Software Development Services

    Clear your backlog and ship products you're proud of faster with our nearshore software development resources. We provides highly skilled, team-based resources to companies that need tech talent fast...

    Top Services:

    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • Web Development
    • eCommerce Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • Brewing Tasty Apps With Love

    Appuchino is a mobile software development company with a strong focus on premium app quality and design.What we're good at:a) App development service for businesses. Appuchino addresses companies’ need for high-end mobile apps with user-oriented design.b) Developing our own apps. One of...

    Top Services:

    • Mobile App Development
    • Software Development
    • UI/UX Design
    • Wearables
    • Software Testing
    • Show more
    Location
    Dublin, Ireland
    Number of Employees
    Under 49
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed
  • Your Innovation Partner

    Singular is a specialized software development company that thrives on agile methodologies. We excel at leveraging Next Gen technologies, such as Flutter & FlutterFLow, to craft dynamic platforms that are remarkably adaptable, user-friendly, and high-performing...

    Top Services:

    • Software Development
    • Web Design
    • eCommerce Development
    • Web Development
    • UI/UX Design
    • Show more
    Location
    Miami, Florida
    Number of Employees
    50 - 99
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    13 Projects Listed
  • We create unique and fresh solutions with an inclusive approach and transparent communication.

    Labcodes is a premier software studio based in Brazil with over a decade of experience in designing and developing quality custom products for with customers from all over the globe...

    Top Services:

    • Software Development
    • Software Testing
    • Mobile App Development
    • UI/UX Design
    • Product Design
    • Show more
    Location
    Recife, Brazil
    Number of Employees
    Under 49
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed
  • Transforming Your Products Tech Foundation: Scaling, Maintainability, and Seamless Usability

    Rolique is a comprehensive software development firm, distinguished by an extensive portfolio encompassing more than 110 triumphant endeavors across the domains of healthcare, fintech, and industrial technology sectors...

    Top Services:

    • Web Development
    • UI/UX Design
    • Mobile App Development
    • AI Development
    • Software Development
    • Show more
    Location
    Lviv, Ukraine
    Number of Employees
    50 - 99
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    9 Projects Listed
  • Developing Partnerships

    At Kaizen Softworks, were here to make your business thrive with custom software solutions. Our team is a blend of skilled designers, software engineers and scrum masters who are dedicated to transforming your business challenges and ideas into effective software solutions...

    Top Services:

    • Mobile App Development
    • Software Development
    • Software Testing
    • UI/UX Design
    • IoT
    • Show more
    Location
    Boston, Massachusetts
    Number of Employees
    50 - 99
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $25,000 - $50,000
  • Your Digital Innovation Partners

    Your Digital Innovation Partner. Accelerating innovation through AI, software development, and digital transformation.At Rootstack, we help organizations build scalable digital products, modernize operations, and unlock new business opportunities through technology...

    Top Services:

    • Web Development
    • Software Development
    • Mobile App Development
    • Managed Services
    • Software Testing
    • Show more
    Location
    Panama City, Panama
    Number of Employees
    100 - 249
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    42 Projects Listed
  • We Eliminate Technological Friction To Unlock and Add Value to Your Customers.

    SPEEDNET is an agile technology consultancy and software development partner working predominantly in financial and educational verticals. We're a top-of-mind software agency for banking, fintech, insurtech, and edtech, supporting decision-makers in delivering complex software solutions...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Gdansk, Poland
    Number of Employees
    100 - 249
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • We Turn Digital Products Into Habits

    Reliqio is the development partner for founders building AI-powered B2C products. We own the technical vision end-to-end strategy, design, engineering, and the outcomes they produce...

    Top Services:

    • Design Services
    • Digital Strategy
    • Product Design
    • UI/UX Design
    • AI Development
    • Show more
    Location
    Sheridan, Wyoming
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    24 Projects Listed
  • AdTech Engineering Teams & Staff Augmentation

    Geomotiv is an AdTech-focused technology company providing dedicated teams, IT staff augmentation, and custom development services for businesses building and scaling digital platforms...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • IoT
    • Software Testing
    • Show more
    Location
    Alexandria, Virginia
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    11 Projects Listed
  • 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
  • Engineering peace of mind

    At Vention, unparalleled customer care isnt just a promise its our mission. We blend personalized experience, unwavering attention to detail, and a genuine passion for your business, ensuring that every aspect of our collaboration is tailored to your success...

    Top Services:

    • Software Development
    • Staff Augmentation
    • Mobile App Development
    • Software Testing
    • Web Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    15 Projects Listed
  • Engineering for live products where mistakes are expensive.

    KITRUM is an engineering partner focused on building on top of live software products. We help them grow beyond their original design by modernizing architecture, adding new capabilities, and scaling systems without disrupting what already works...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • IT Services
    • AI Development
    • Show more
    Location
    Miami, Florida
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    11 Projects Listed
  • AI is easy. Systems are hard. We build systems.

    AI is easy. Systems are hard. We build systems...

    Top Services:

    • Software Development
    • AI Development
    • Staff Augmentation
    • Cloud Consulting
    • Software Testing
    • Show more
    Location
    Vilnius, Lithuania
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    20 Projects Listed
  • Your Partners in Success.

    Quest Global Technologies is a global leader in development & consultation of cutting-edge Blockchain, Metaverse, AR/VR, QA, Automation, Salesforce & Web3 advancements...

    Top Services:

    • Blockchain
    • AI Development
    • Digital Marketing
    • IT Services
    • Software Testing
    • Show more
    Location
    Indore, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    6 Projects Listed
  • Digital Consulting That Drives Business Innovation

    Robosoft Technologies is an experience engineering company trusted by large global enterprises, ambitious startups, and mid-size companies worldwide. Our mission is to simplify every aspect of digital life, from utility services to entertainment and productivity at work...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    • Web Development
    • Software Testing
    • Software Development
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    Location
    San Francisco, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    16 Projects Listed
  • Trusted IT Partner for SMBs & Enterprises Since 2001 | Dedicated Teams | Industry-Specific Solutions

    Altoros is a 350+ person strong IT consulting and development group. For over 20 years, we've been assisting Global 2000 organizations in getting software products to market faster and reducing the cost of R&D experiments to enable stable business growth...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Design
    • Web Development
    • Staff Augmentation
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    Location
    Pleasanton, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    12 Projects Listed
  • You Dream It - We Deliver It

    CIDT builds blockchain, Web3, and SaaS products from concept to launch. We combine startup agility with enterprise - grade engineering to deliver secure, scalable, and transparent solutions fast and within budget...

    Top Services:

    • Blockchain
    • Software Development
    • Mobile App Development
    • UI/UX Design
    • AI Development
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    Location
    Northbrook, Illinois
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    3 Projects Listed
  • Software, data & AI consulting from Sarajevo

    RUBICON is a software, data and AI consulting company founded in 2013 in Sarajevo, Bosnia and Herzegovina, serving clients across Europe and North America...

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    • AI Development
    • IT Services
    • Software Development
    • Mobile App Development
    • Big Data Analytics
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    Location
    Sarajevo, Bosnia and Herzegovina
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
  • Innovating Healthcare Through Technology

    Orangesoft is a full-cycle software development partner focused on healthcare...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • IoT
    • AI Development
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    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    11 Projects Listed
  • World-Class UX/UI and Software Development

    BluePixel is an award-winning UX/UI and software development international company. We combine a human-centered approach with the latest tech stack to create world-class software...

    Top Services:

    • UI/UX Design
    • Software Development
    • CRO
    • Web Development
    • Mobile App Development
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    Location
    Mexico City, Mexico
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    103 Projects Listed

Why companies trust DesignRush

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Identity Check

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129,387+
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Portfolio Review

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

Applicants rejected
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3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

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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: 

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