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.
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.
Whipsocket is a software development consultancy in Columbia, SC that builds web and mobile applications for startups and established product teams. We combine modern coded stacks React, Next.js with AI-accelerated workflows to deliver production-ready software faster than traditional agencies, without the...
Top Services:
- Software Testing
- Mobile App Development
- Software Development
- Engineering
- AI Development
- Show more
- Location
- Gaston, South Carolina
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $1,000 - $10,000
Mile Marker is an agile development agency offering startups strategically designed custom software focused on solving your business problems. Mile Markers team includes product managers, developers, designers, QA, DevOps and more...
Top Services:
- Software Development
- Mobile App Development
- Software Testing
- UI/UX Design
- Staff Augmentation
- Show more
- Location
- Madison, Wisconsin
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
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
SlickDevs is a premier custom software development company specializing in transforming innovative ideas into robust, scalable applications. With a dedicated team of experts, we provide comprehensive solutions tailored to meet the unique needs of tech startups, mid-market companies, and enterprise...
Top Services:
- Mobile App Development
- Software Development
- Software Testing
- Blockchain
- IoT
- Show more
- Location
- Bellevue, Washington
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $100/hr
- Portfolios Count
- 5 Projects Listed
Intellectsoft builds custom software, AI solutions, and dedicated engineering teams for enterprises and fast-growing businesses across the US and UK...
Top Services:
- Software Development
- Mobile App Development
- Wearables
- Software Testing
- Blockchain
- Show more
- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $80/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 12 Projects Listed
Most businesses know something is slow or broken. They don't know exactly what to fix, or where AI actually fits. We start there: map your processes, find the highest-ROI automations, then build, run, and help your team adopt them as your ongoing AI automation partner. Certified n8n Expert Partner, Clutch...
Top Services:
- AI Development
- Mobile App Development
- Software Development
- CRM Consulting
- IT Services
- Show more
- Location
- Tuckahoe, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $80/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
TouchZen
VerifiedVerified by the DesignRush team for authenticity and credibility.Premiere Mobile Applications
75+ Mobile Apps Shipped. 12+ Apps Featured by Apple & Google. 20M+ Downloads...
Top Services:
- Mobile App Development
- Product Design
- UI/UX Design
- Design Services
- Web Design
- Show more
- Location
- Irvine, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 12 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsTouchZen Services
Data sourced from the agency's DesignRush profileUCLA Beachbody FullyRaw by Kristina Children's Hospital Los Angeles Harman/Kardon Amalfi Jets JetBay SHRED Get Cover Cancer Buddy
TouchZen Reviews & Testimonials
Mobile App Development Review from Shaya Ghanouni
The Touchzen team was amazing!! They were always responsive and ready to incorporate our feedback. The quality of their work was great and the tips they gave us during development were extremely helpful. We would gladly work with them again.
Mobile App Development Review from Domenic Fraboni
We couldn't be more pleased with our experience with TouchZen. They took over a bad situation left behind by our previous development team and have been able to continue to build new features while cleaning up the old project. We have been very pleased with their developers responsiveness as well as the project management. I would highly recommend working with them for any of your web or mobile app development needs.
B2C Apps Review from Brett Lassig
We have been extremely impressed with TouchZen's development team behind the Get Cover Mobile App. Their approach has been collaborative, and responsive to the needs of our warranty and claims environment.The app is intuitive for end users while still delivering the robust functionality needed on the backend, especially around claims processing, and real-time updates.Their diligence has made a significant impact. Features like streamlined claim submission, status tracking, have enhanced both customer satisfaction and operational efficiency.Overall, this highly capable and professional development team has delivered quality work and stands behind it. We look forward to continuing to build and scale with them.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsHi there! We were expecting you!We are a nearshore software services and consulting company that partners with forward-thinking companies to achieve their business goals and accelerate growth in the digital age.We are seen as a lifelong partner for tackling any tech challenge...
Top Services:
- Software Development
- Mobile App Development
- IT Services
- UI/UX Design
- Web Development
- Show more
- Location
- Montevideo, Uruguay
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 1 Project Listed
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
unicrew is a full-scale software development, consulting and design company, which provides a full spectrum of services - from design and software development to the unfailing commitment to quality assurance...
Top Services:
- Software Development
- Product Design
- Web Design
- Web Development
- eCommerce Development
- Show more
- Location
- Lviv, Ukraine
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $10,000 - $25,000
X2 Mobile
Award WinnerRecipient of a Best Design Award for outstanding work.Actively identify tech & product opportunities to transform your ideas into engaging and accessible digital experiences.Our clients from Africa, US or EU enjoy great returns such as 2M monthly users or 10k downloads in the first 10 days of launching their app...
Top Services:
- Mobile App Development
- Web Development
- Software Development
- Product Design
- UI/UX Design
- Show more
- Location
- Cluj-Napoca, Romania
- Number of Employees
- Under 49
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 17 Projects Listed
Mercury Development offers best in class Software Development, Mobile Apps, UI/UX, QA, ML, Data Science and more. With over 23 years in business, and over 400 employees, Mercury has the experience required to deliver your project on time and on budget...
Top Services:
- Mobile App Development
- Software Development
- UI/UX Design
- Software Testing
- Wearables
- Show more
- Location
- Stuart, Florida
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Portfolios Count
- 8 Projects Listed
Qarbon IT are experts in creating web and mobile applications with over 15 years of experience. We have the experience, knowledge and technical know-how to deliver an innovative digital product that will exceed your expectations. Qarbon IT assists businesses across major industries, such as finance, banking...
Top Services:
- Software Development
- Mobile App Development
- UI/UX Design
- eCommerce Development
- IoT
- Show more
- Location
- Katowice, Poland
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 27 Projects Listed
Savarian.tech is a forward-thinking and professional company that provides customers all over the globe with flexible terms and economical software testing services for every sort of software testing purpose imaginable. Savarian.tech is an experienced and dependable business partner for new businesses and...
Top Services:
- Software Testing
- Web Development
- AI Development
- Blockchain
- Software Development
- Show more
- Location
- Dubai, United Arab Emirates
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
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
Turning Ideas into Business Performance Since 2015...
Top Services:
- AI Development
- Software Development
- Web Development
- Mobile App Development
- Software Testing
- Show more
- Location
- Bucharest, Romania
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
Valens is powered by a team of passionate software engineers, creative designers, innovative thinkers, and inspiring product owners who thrive in the digital realm. Together, we deliver cutting-edge solutions and transformative experiences that drive success for businesses navigating the complexities of the...
Top Services:
- Web Development
- Mobile App Development
- UI/UX Design
- Software Development
- Staff Augmentation
- Show more
- Location
- Sarajevo, Bosnia and Herzegovina
- Number of Employees
- Under 49
- Average Hourly Rate
- $45/hr
- Portfolios Count
- 4 Projects Listed
𝐄-𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 is one of the main areas of DevIT work. Our team has extensive knowledge of various technologies. This allows us to create fast, flexible, responsive, attractive, and user-friendly stores and Shopify apps...
Top Services:
- eCommerce Development
- Web Development
- Software Development
- IT Services
- Web Design
- Show more
- Location
- Toronto, Canada
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 29 Projects Listed
Mobitouch is a software development company from Poland specializing in mobile app development, web development, Flutter, .NET, React, UX/UI design, AI solutions, VR/AR, MVP development, product design, and staff augmentation for startups, scaleups, and enterprise clients...
Top Services:
- Mobile App Development
- Software Development
- AI Development
- Web Design
- UI/UX Design
- Show more
- Location
- Rzeszów, Poland
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 24 Projects Listed
OnPath Testing provides software testing and quality assurance services for desktop, web, mobile, and IOT applications...
Top Services:
- Software Testing
- Location
- Boulder, Colorado
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
SCD is a custom software development company based in Dubai, UAE.Since 2002, we have collaborated with innovative Startups, SMEs, and Enterprises from Western Europe, USA, Canada, & the Middle East. We have completed dozens of large-scale projects and plenty of smaller ones of various complexity...
Top Services:
- Software Development
- Software Testing
- AI Development
- Mobile App Development
- Big Data Analytics
- 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
- 3 Projects Listed
Tapptitude is a Product Studio that partners with funded startups and established brands to build interactive, mobile-first products that people love to use. We work with our clients as Product Partners, supporting them proactively throughout the journey from idea to launching a product and scaling it up...
Top Services:
- Mobile App Development
- Software Development
- Web Development
- Software Testing
- Web Design
- Show more
- Location
- Cluj-Napoca, Romania
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 6 Projects Listed
Great SaaS products don't start with code-they start with the right plan. AI Dev Planner helps founders validate ideas, research the market, plan the MVP, choose the right technology, estimate costs, and turn an idea into an executable SaaS product plan-before wasting months building the wrong thing...
Top Services:
- Web Design
- UI/UX Design
- Web Development
- Mobile App Development
- Software Development
- Show more
- Location
- Islamabad, Pakistan
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Peppernode provides custom software development services for SMBs and startups. Our offerings include MVP development, product development, software testing and automation, and team augmentation. We can either work as your project team or supply vetted specialists to fill resource gaps. With us, you get...
Top Services:
- Software Development
- Mobile App Development
- Software Testing
- Staff Augmentation
- Show more
- Location
- Tallinn, Estonia
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
Appelier is a mobile app development studio with a decade-long history of transforming our clients' visions into seamless mobile experiences. We blend Swift, Kotlin, Java, and Dart to craft intuitive apps for iOS, Android, and Flutter platforms. Passionate about design, we use Figma and Sketch to create...
Top Services:
- Mobile App Development
- Software Development
- Software Testing
- UI/UX Design
- Graphic Design
- Show more
- Location
- Chișinău, Moldova
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
Our studio specializes in custom software development, with primary expertise in maps. We provide full-cycle development services, from concept and design to deployment and production. With expertise in both desktop and mobile platforms, we deliver integrated, semantic-rich solutions for complex geospatial...
Top Services:
- Web Development
- Web Design
- Software Testing
- Software Development
- UI/UX Design
- Show more
- Location
- Tivat, Montenegro
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- Under $1,000
Debut Infotech
VerifiedVerified by the DesignRush team for authenticity and credibility.AI-Powered Innovation, Delivered
Debut Infotech is a leader in advanced technological solutions, specializing in AI, Blockchain, Smart Contracts, IoT, and mobile and web development...
Top Services:
- AI Development
- Web Development
- Blockchain
- Mobile App Development
- Software Development
- Show more
- Location
- Springfield, Illinois
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 17 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsDebut Infotech Services
Data sourced from the agency's DesignRush profileNordic Strong WellPoP Aithentic NDAX PRC Coin P2B Best Western Unique School Integra Ledger Friendspire
Debut Infotech Reviews & Testimonials
James Carter's Review Sourced from Google
Our company aimed to launch a trading platform but struggled with security planning and system performance. Debut Infotech supported us with crypto exchange development services using Node.js, blockchain integration, and secure wallet APIs. Their solution helped us deploy a stable exchange environment with improved transaction handling.
Andrew Ethan R.'s Review Sourced from Google
Debut Infotech efficiently addressed the performance and scalability challenges in our mobile app. They quickly diagnosed the issues and delivered a stable solution using up-to-date development tools. The project was completed on time with clear communication throughout.
Blunt David's Review Sourced from Google
I had the pleasure of working with Debut Infotech for DeFi development, and I am extremely satisfied with their expertise and service. Their team utilized a comprehensive suite of tools, including smart contract generators, DeFi protocol integrators, and liquidity pool management tools, all of which streamlined the development process. They not only helped us build secure and scalable decentralized finance solutions, but also provided automated yield farming and staking platforms that significantly boosted user engagement. Their focus on security, with built-in auditing tools, gave me confidence throughout the project. I highly recommend Debut Infotech to anyone looking for reliable, efficient, and innovative DeFi development.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsWe are empowering people to bring innovative ideas into life...
Top Services:
- Mobile App Development
- Software Development
- AI Development
- Web Development
- Software Testing
- Show more
- Location
- London, United Kingdom
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 17 Projects Listed
Ajackus is your one-stop solution for all your engineering needs. We have a team of talented engineers across India who can be quickly hired, trained and aligned to your business needs...
Top Services:
- Staff Augmentation
- IT Services
- Software Development
- Web Development
- Mobile App Development
- Show more
- Location
- Mumbai, India
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 10 Projects Listed
Consultants From Asia (CFA) emerges as a leading force in the Information Technology Services sector, providing unparalleled proficiency in key areas such as Application Development & Maintenance, Enterprise Mobility Solutions, and IT Infrastructure Management. Since our establishment in 2020, we have...
Top Services:
- Web Development
- eCommerce Development
- Mobile App Development
- Staff Augmentation
- IT Services
- Show more
- Location
- Indore, India
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Luvina is a well-known software outsourcing business that specializes in providing clients all around the world with excellent IT solutions. With a dedicated team of more than 750 experts, Luvina provides comprehensive software development services that are customized to each client's specific needs. Luvina...
Top Services:
- ERP Consulting
- CRM Consulting
- Software Development
- eCommerce Development
- Staff Augmentation
- Show more
- Location
- Hanoi, Vietnam
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $25/hr
Parsedom is a data & tech services company specializing in web scraping, data engineering, automation, and web development. We build scalable systems that turn unstructured data into structured, actionable insights. Our services include data extraction, lead generation systems, API integration, workflow...
Top Services:
- Software Development
- AI Development
- Software Testing
- Big Data Analytics
- eCommerce Development
- Show more
- Location
- London Ontario, Canada
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
NEWTEL is a premier BPO provider delivering exceptional omnichannel call center, live chat, and social media support. We combine elite customer service with advanced content moderation to secure and scale your digital brand 24/7...
Top Services:
- BPO
- Call Centers
- Software Testing
- Customer Support
- HR Outsourcing
- Show more
- Location
- Amman, Jordan
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $50,000 & Up
Software development and IT consulting company built by technology enthusiasts. We focus on delivering an excellence of work for our customers...
Top Services:
- Web Development
- WordPress Website Design
- Software Testing
- Mobile App Development
- Software Development
- Show more
- Location
- London, United Kingdom
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $17/hr
- Minimal Budget
- $10,000 - $25,000
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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:
- 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