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 25, 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: Low to High ×
  • Innovation Technology Solution.

    Desun Technology Pvt. Ltd. is a leading software development company in Kolkata, specializing in comprehensive IT services, including web development and mobile app development. Our cutting-edge technology solutions empower businesses to thrive in the digital era. Elevate your business with Desun Technology...

    Top Services:

    • Web Development
    • Digital Services
    • Branding
    • eCommerce Development
    • Mobile App Development
    • Show more
    Location
    Kolkata, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $25,000 - $50,000
  • Experts at Your Service

    Alt Digital Technologies is a B2B service provider servicing end to end development, DevOps, Testing and e-commerce solutions for your business. We work efficiently in ATG, Java, React, Salesforce, WordPress and majorly all technologies...

    Top Services:

    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Software Development
    • Software Testing
    • Show more
    Location
    Florida City, Florida
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • Digitalize your Dreams

    Unlock the full potential of your business with Leo Coders Private Limited, you trusted partner for comprehensive IT, Digital, and Business Solution. Experience excellence through our Customized Software Development. Mobile Application Development, and Web Application Development services. Contact us today to...

    Top Services:

    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • IT Services
    • Software Testing
    • Show more
    Location
    Nagpur, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed
  • Bespoke Web & Mobile Software Development.

    Empowering companies with skilled engineering talent so they can execute their digital transformation and product development strategies affordably and seamlessly...

    Top Services:

    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • DevOps Consulting
    • IT Services
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    1 Project Listed
  • Not just a performer, but your reliable web/mobile development partner

    InventorSoft is a custom software development company based in Ukraine, specializing in healthcare software development, education software development, and data analytics platforms. We also have extensive experience across Fintech, Supply Chain, and other SaaS-driven industries...

    Top Services:

    • Software Development
    • Web Development
    • IT Services
    • Staff Augmentation
    • Mobile App Development
    • Show more
    Location
    Chernivtsi, Ukraine
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • Commitment Delivered

    We are an IT services company backed by result-oriented professionals that helps enterprises reimagine and realign their businesses to stay ahead in this digital age. As a global software services company, we understand our customers business aspirations and deliver value through custom software solutions and...

    Top Services:

    • Web Development
    • Web Design
    • UI/UX Design
    • WordPress Website Design
    • Software Testing
    • Show more
    Location
    Pune, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
  • We find, build and manage remote teams.

    Away Digital Teams specializes in recruiting and managing top talent in Vietnam for businesses seeking to establish and oversee remote teams. Our comprehensive service ensures seamless team building and management, enabling companies to thrive in today's digital landscape...

    Top Services:

    • Digital Services
    • Web Development
    • Software Testing
    • Mobile App Development
    • Software Development
    • Show more
    Location
    St Kilda, Australia
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed
  • Virtual Technology Office - An extended execution arm of a CTO.

    Facing challenges to scale up tech? Have a biz/tech requirement but no bandwidth to execute? Too many tech projects eating up your time to focus on core business? Connect with us. We provide fractional CTO services in build-operate-transfer models...

    Top Services:

    • IoT
    • Software Testing
    • AI Development
    • Blockchain
    • Mobile App Development
    • Show more
    Location
    Bengaluru, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed
  • Intuio Software Labs Pvt. Ltd. specializes in designing and developing exceptional web, mobile, and digital products tailored for startups and established companies alike. Our team is dedicated to consistently delivering top-notch solutions, fueled by a passion for innovation and a commitment to excellence in...

    Top Services:

    • Software Development
    • Mobile App Development
    • eCommerce Development
    • Web Development
    • Web Design
    • Show more
    Location
    Verna, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed
  • Mentoring you through code!

    MentorSol is your premier destination for bespoke software development and expert staff augmentation solutions. We are dedicated to providing tailored services that drive innovation and efficiency, ensuring your business reaches its full potential...

    Top Services:

    • Web Development
    • WordPress Website Design
    • ERP Consulting
    • Staff Augmentation
    • IT Compliance Solution
    • Show more
    Location
    Dubai, United Arab Emirates
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
  • Our Experience, Your Success

    Luxe Quality is a QA and software testing company founded in 2016. Since its launch, Luxe Quality has grown into a strong community of 80+ professionals. Operating globally, the company has completed more than 200 projects in diverse markets, including the USA, Canada, Australia, Singapore, and many European...

    Top Services:

    • Software Testing
    • Graphic Design
    • SEO
    Location
    McLean, Virginia
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    3 Projects Listed
  • Your Partner For Innovation

    MTechZilla is a custom software development company helping growing companies and product teams across the US and EU to build software products or scale engineering capacity. Senior, pre-vetted developers fully aligned to your timezone. AWS Partner with 40+ products delivered...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • AI Development
    • Cloud Consulting
    • Show more
    Location
    San Jose, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
  • Apps Built to Actually Work.

    Austin App Devs helps startups, growing businesses, and enterprise teams turn ideas into reliable mobile products. We specialize in native iOS and Android apps, cross-platform development, AI-powered solutions, MVPs, UI/UX, backend integrations, testing, and post-launch support. Our sprint-based approach...

    Top Services:

    • Mobile App Development
    • AI Development
    • Software Development
    • Software Testing
    • UI/UX Design
    • Show more
    Location
    Austin, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
  • Techforce Global: Your Catalyst for Seamless Solutions

    Techforce Global: Your partner for government custom software development, React Native development and more. Offering comprehensive services across industries with a global presence and a focus on scalable, intelligent solutions...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • IT Services
    • Cloud Consulting
    • Show more
    Location
    Naperville, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $26/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    20 Projects Listed
  • Accelerate Innovation With AI-Driven Development

    JumpGrowth is a premier AI-led product engineering studio headquartered in Dallas, Texas. JumpGrowth specializes in building scalable, AI-powered software applications and products tailored for tech startups and enterprise innovation teams...

    Top Services:

    • Mobile App Development
    • Web Development
    • AI Development
    • Software Testing
    • Software Development
    • Show more
    Location
    Richardson, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    6 Projects Listed
  • Enabling Your Digital and AI Transformation

    ZAPTA Technologies is a global technology partner helping startups and SMEs build, scale, and modernize software products through digital and AI innovation. We deliver secure, performance-driven platforms designed to grow with the business...

    Top Services:

    • Software Development
    • Web Design
    • Web Development
    • Mobile App Development
    • Software Testing
    • Show more
    Location
    Austin, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • Top Software Development Company in Viet Nam

    We are committed to customer satisfaction, software quality, and technology innovation...

    Top Services:

    • Mobile App Development
    • Software Development
    • Software Testing
    • AI Development
    • DevOps Consulting
    • Show more
    Location
    Ho Chi Minh, Vietnam
    Number of Employees
    250 - 499
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    30 Projects Listed
  • Lampa is a Comfy Software Development

    Lampa delivers high-quality outsourcing services and custom software solutions that drive innovation and business success in today's competitive digital landscape. We are helping to launch start-ups ! We are developing 20+ software solutions every year. Our projects reached more than 12 000 000 downloads...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Testing
    • UI/UX Design
    • IT Services
    • Show more
    Location
    Vinnytsia, Ukraine
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    24 Projects Listed
  • Strategize. Develop. Deliver.

    Your business faces unique challenges. Let's work together to create a custom mobile app or web solution to meet those challenges head-on...

    Top Services:

    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • IoT
    • AI Development
    • Show more
    Location
    Nashua, New Hampshire
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • SEEDIUM builds & scales web/mobile products globally: full-cycle development & team augmentation

    Seedium provides full-cycle development and team augmentation services for startups and SMBs around the world. We focus on progressive mobile & web application development, marketplaces, serverless and microservices solutions, high-load projects, and SaaS platforms...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Web Design
    • Staff Augmentation
    • Show more
    Location
    Tallinn, Estonia
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • Powering the IoT Revolution

    CitrusDev is a team of experts with a general focus on the Internet of Things (IoT) project development. Our team's key points of interest are Smart Home, Smart City, Smart Farm, Automotive, Healthcare, and Indoor navigation domains. We cover the Hi-tech, Retail, Fintech, and Education industries as well...

    Top Services:

    • IoT
    • Web Development
    • Mobile App Development
    • Wearables
    • WordPress Website Design
    • Show more
    Location
    Kyiv, Ukraine
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    7 Projects Listed
  • TECHVIFY: End-to-end AI-Powered Digital Transformation Partner

    TECHVIFYEnd-to-end AI-Powered Digital Transformation Partner...

    Top Services:

    • AI Development
    • IoT
    • Software Development
    • Mobile App Development
    • Managed Services
    • Show more
    Location
    Ho Chi Minh, Vietnam
    Number of Employees
    500 - 999
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed
  • Software & Enterprise Solutions.

    Ultimate Systems develops dependable, custom-built backend systems, web, and mobile applications that enhance business operations worldwide. Our bespoke IT solutions are designed to meet your unique business needs, ensuring optimal performance and growth...

    Top Services:

    • UI/UX Design
    • eCommerce Development
    • Software Testing
    • AI Development
    • Blockchain
    • Show more
    Location
    Krakow, Poland
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed
  • AI Consultancy & Tech Services

    Aimprosoft is an AI consultancy and technology transformation partner helping organizations navigate the complex journey to AI integration. By enabling AI-assisted software development lifecycles for clients, we empower them to deliver products >30% faster without adding headcount...

    Top Services:

    • AI Development
    • Software Development
    • Web Design
    • eCommerce Development
    • IoT
    • Show more
    Location
    Nicosia, Cyprus
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    9 Projects Listed
  • IT Staff Augmentation and Custom Software Development

    You will develop any needed solution that meets your requirements with AdvantISS. As Ukrainians, our engineers not only have a high-quality knowledge base and many years of development experience but are also motivated to provide our customers with the highest quality services.AdvantISS provides IT staff...

    Top Services:

    • Software Development
    • Software Testing
    • Staff Augmentation
    • CRM Consulting
    • HR Outsourcing
    • Show more
    Location
    Sokyryany, Ukraine
    Number of Employees
    50 - 99
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • Web & Mobile Software development. Data Science

    Requestum is an online and mobile development company. We are dependable because we devote our efforts and abilities to your project from the collecting of specifications through the effective launch of your product. Our team includes of individuals who have not only majored in computer science, but who are...

    Top Services:

    • Mobile App Development
    • Software Development
    • Software Testing
    • IoT
    • Show more
    Location
    Menzingen, Switzerland
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    2 Projects Listed
  • Empowering Minds, Enriching Futures With Innovative EdTech Solutions

    At Aimeice Tech., we're on a mission to revolutionize the education landscape through innovation and inspiration. As a premier education software development company, we specialize in crafting bespoke EdTech solutions that elevate the learning experience...

    Top Services:

    • Software Testing
    • Mobile App Development
    • Software Development
    • AI Development
    • Show more
    Location
    Fort Lauderdale, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    1 Project Listed
  • Cutting-edge ICT solutions and services

    Armundia Factory is an ICT & BPO delivery partner helping consulting firms, software vendors and digital integrators scale operations efficiently through high-quality nearshore services.With Italian governance and scalable Balkan delivery operations, we support partners with software development, quality...

    Top Services:

    • Software Testing
    • Software Development
    • Staff Augmentation
    • IT Services
    • Managed Services
    • Show more
    Location
    Tirana, Albania
    Number of Employees
    50 - 99
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
  • Your Trusted Software Development Company In Malaysia.

    A bespoke software development company specializing in custom software development with exceptional UX/UI design for a high quality user experience journey!...

    Top Services:

    • Software Development
    • Software Testing
    • Mobile App Development
    Location
    Petaling Jaya, Malaysia
    Number of Employees
    Under 49
    Average Hourly Rate
    $37/hr
    Minimal Budget
    $25,000 - $50,000
  • Your One Stop Shop For Cybersecurity Services

    Ebryx LLC is a 360° cybersecurity and secure engineering company trusted by enterprises, startups, and governments to safeguard critical digital ecosystems. Since 2008, we have combined advanced threat research, 24/7 security operations, and deep product engineering expertise to deliver protection that is...

    Top Services:

    • Cybersecurity
    • DevOps Consulting
    • Cloud Consulting
    • Staff Augmentation
    • Big Data Analytics
    • Show more
    Location
    Salem, New Hampshire
    Number of Employees
    100 - 249
    Average Hourly Rate
    $37/hr
    Minimal Budget
    $25,000 - $50,000
  • FinTech Apps Development

    Itexus is a fintech software development company delivering enterprise-grade software solutions for both the traditional financial services industry and disruptive fintech startups. The company builds secure, compliant, high-load platforms across Digital Banking, Stock Trading, Investment Management, Crypto...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Software Testing
    • AI Development
    • Show more
    Location
    Dover, Delaware
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    18 Projects Listed
  • Mobile & Web Software Dev Team

    Kernelics is a boutique web and mobile software development firmfor startups and tech companies...

    Top Services:

    • Mobile App Development
    • Staff Augmentation
    • Product Design
    • Software Development
    • eCommerce Development
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    18 Projects Listed
  • Product Engineering, AI, Data & Cloud Consulting

    We are a digital product, chatbot solution, and software development company and your guide on the digital transformation journey. Right from materializing your ideas through rapid application development, to improving processes via RPA and AI, to streamlining your customer support via chatbots, we do it all...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Software Testing
    • Big Data Analytics
    • Show more
    Location
    Austin, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    9 Projects Listed
  • Quality and speed define our approach!

    Intersog stands as a top ASP.NET development company, offering dynamic web apps and services from Chicago and around the globe for over 18 years. We provide a seamless hiring process, presenting you with our finest developers for tailored solutions. Quality and speed define our approach, ensuring your product...

    Top Services:

    • Software Development
    • Mobile App Development
    • Software Testing
    • Web Development
    • UI/UX Design
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    250 - 499
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed
  • AI-enabled .NET product engineering partner

    Blackthorn Vision is a Microsoft-partnered .NET and AI development company.As a Microsoft Solutions Partner,we help enterprise teams build and modernize complex software products. The solutions we deliver are backed by deep .NET expertise,AI versatility,and a track record of delivering results...

    Top Services:

    • Software Development
    • Software Testing
    • AI Development
    • Mobile App Development
    • UI/UX Design
    • Show more
    Location
    Wroclaw, Poland
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    9 Projects Listed
  • Digital Innovation for a Shining Future

    Goitrise is an international custom software development company headquartered in the United States with offices in Argentina...

    Top Services:

    • eCommerce Development
    • Web Development
    • Software Development
    • Software Testing
    • Show more
    Location
    Miami, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    1 Project Listed
  • Your AI-Driven Software Development Partner

    Savvycom is an AI-driven software development and IT consulting company founded in 2009, helping enterprises design, build, and modernize digital systems that deliver measurable business outcomes. Recognized as one of Vietnams Top 10 Digital Technology Companies, Savvycom partners with organizations...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • IT Services
    • AI Development
    • Show more
    Location
    Hanoi, Vietnam
    Number of Employees
    500 - 999
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    9 Projects Listed
  • Global IT & Software Solution Company

    We have extensive global resources, deep industry, business process, and technological expertise, as well as a track record of producing uplifting success tales for businesses all over the world...

    Top Services:

    • Mobile App Development
    • Software Development
    • Software Testing
    • Wearables
    • CRM Consulting
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
  • 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
  • AI-native Azure consulting, development & modernization services

    CIGen is a global digital transformation partner focused on modernizing and scaling essential business applications with cloud-powered solutions across Europe and North America...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • Software Testing
    • Big Data Analytics
    • Show more
    Location
    Lviv, Ukraine
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    9 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
  • Our Passion Your Business

    Edso Services delivers custom software, AI powered solutions, web and mobile applications and QA services that help businesses innovate, scale and succeed digitally...

    Top Services:

    • Software Development
    • Mobile App Development
    • Software Testing
    • Product Design
    • Web Design
    • Show more
    Location
    Wagholi, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
  • 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
  • Bringing Your Ideas to Life

    ZESIUM mobile is a high-tech company offering complete tailor-made and cost-effective software solutions. With more than 18 years experience in various industries, ZESIUM ensures new value, competition advantage and improved business for worldwide clients...

    Top Services:

    • Software Development
    • AI Development
    • Software Testing
    • IoT
    • Mobile App Development
    • Show more
    Location
    Novi Sad, Serbia
    Number of Employees
    50 - 99
    Average Hourly Rate
    $42/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    2 Projects Listed
  • Crafting Custom Software & DevOps Outsourcing Solutions Since 2009.

    We build AI-accelerated software products faster, smarter, and built to scale. From LLM integrations to full-stack delivery, our teams ship real value. Together with you.Were Valletta.Software a software development company where human engineers and AI work side by side to build faster, smarter...

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • Web Design
    • Show more
    Location
    Cospicua, Malta
    Number of Employees
    100 - 249
    Average Hourly Rate
    $44/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • Product Innovation at It's Best!

    Accelerating Intelligent Product Innovation in HealthcareLangate is a leading HealthTech software development company with 20+ years of experience helping healthcare organizations build intelligent, secure, and compliant digital products.We specialize in developing HIPAA-compliant SaaS platforms...

    Top Services:

    • Mobile App Development
    • Software Testing
    • Software Development
    • IT Services
    • Big Data Analytics
    • Show more
    Location
    Jersey City, New Jersey
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    10 Projects Listed
  • We are about skilled and passionate software engineers solving their customers' problems with tech

    We develop custom software systems perfectly tailored to the needs of your company. We can take your most significant competitive advantage ideas and turn them into robust and flexible software that's easy to use and to adapt to new ideas in the future...

    Top Services:

    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • IT Services
    • Software Testing
    • Show more
    Location
    Sibiu, Romania
    Number of Employees
    Under 49
    Average Hourly Rate
    $48/hr
    Minimal Budget
    $25,000 - $50,000
  • Web & Mobile Application and Software Dev

    Your Expert Web & Mobile Development Partner.Take advantage of our 13+ years of experience in building and launching web and mobile custom software solutions. Extend your team with the top web & mobile developers for your short-term and long-term projects, from MVPs to a completed solution...

    Top Services:

    • Software Development
    • Mobile App Development
    • Software Testing
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Alexandria, Egypt
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $25,000 - $50,000
  • Empowering tech solutions

    Vervali Systems is a global software services firm founded in 2010, specializing in empowering clients to develop high-quality products that enhance their customers' lives at scale. With a team of over 200 experienced software professionals, we have delivered 80+ products across 20+ countries...

    Top Services:

    • Software Testing
    • Software Development
    • Mobile App Development
    • Web Development
    • Show more
    Location
    Mumbai, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $25,000 - $50,000
  • Trusted Salesforce® Summit Consulting Partner

    We specialize in Managed Services, Lightning Migration, Sales Cloud, Service Cloud, Marketing Cloud, Experience Cloud, and Einstein AI, delivering innovative solutions for businesses of all sizes from small, medium enterprises to Fortune 500 companies...

    Top Services:

    • Managed Services
    • CRM Consulting
    • Cloud Consulting
    • DevOps Consulting
    • Software Testing
    • Show more
    Location
    Sydney, Australia
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $25,000 - $50,000

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
129,437+
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
112

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