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
8 Companies-Rankings updated: September 03, 2026
Every agency on DesignRush has been evaluated for its expertise and client feedback to empower informed choices. Some listings include paid partnerships.
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We are an Affordable Digital Marketing Agency in Shawnee with budget-friendly solutions to amplify your brand. RevoluteX Digital: Your digital success catalyst! Specializing in Google marketing, website development, and social media magic, we craft online experiences that captivate and strategies that...
Top Services:
Digital Services
Web Design
WordPress Website Design
Digital Marketing
SEO
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Location
Shawnee, Kansas
Number of Employees
Under 49
Average Hourly Rate
$50/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
1 Project Listed
RevoluteX Digital Services
Digital Services
Web Design
WordPress Website Design
Digital Marketing
SEO
PPC
Software Testing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Griswold Rubbish Removal
Oak Ridge Builders
Southern Gutter Solutions
GHI Improvements
Piranha Construction
Tint Shop Virginia LLC
Mey-er Handy LLC
Neomodern Construction Remodeling
HeroMaid (5 Profiles)
Select Express Mobile Detail
Data sourced from the agency's DesignRush profile
RevoluteX Digital Reviews & Testimonials
Laurence E. Del Priore Owner at EDP Painting Company - Painter
5.0★
SEO Review from Laurence E. Del Priore
Working with Revolute X Digital has truly made a difference for our painting business. From the beginning, their team really understood what we needed, especially when it came to local SEO. Since partnering with them, weve noticed a real boost in traffic and more people reaching out for our services. They've been easy to work with clear communication, on time with everything, and the results have been great. Id definitely recommend Revolute X Digital to any small business that wants to grow online.
Fredrick Will Business Owner at Souther Gutters Solution
5.0★
Digital Services Review from Fredrick Will
Working with RevoluteX Digital on local SEO optimization was a game-changer for my business. Their team took the time to understand my goals and created a clear strategy that helped boost my visibility in local search results. I saw noticeable improvements in Google rankings, increased traffic, and more customer inquiries within just a few weeks. They were transparent, responsive, and truly knowledgeable in the SEO space. I highly recommend RevoluteX Digital to any business looking to strengthen their local online presence.
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It's the best app to sell Multichannel on Shopify. Otherwise you would have to pay 2000$ for Shopify PLUS.Support and Features are Great! Thats a company you want to work with together as a B2B seller!Especially thank you Jonas!
James Batson Review from Google
5.0★
James Batson's Review Sourced from Google
Great company with excellent customer service. Helped us solve an issue on our Magento 2 website, highly recommend to anyone looking for Magento plugins or development.
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Programming and electronics design for Internet-connected devices.We are a team of experienced and highly qualified engineers who design and build applications for embedded platforms...
Top Services:
IoT
Software Development
Cloud Consulting
Mobile App Development
DevOps Consulting
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Location
Poznan, Poland
Number of Employees
Under 49
Average Hourly Rate
$50/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
6 Projects Listed
WizzDev Services
IoT
Software Development
Cloud Consulting
Mobile App Development
DevOps Consulting
Wearables
Web Development
Software Testing
AI Development
Big Data Analytics
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Mageplaza is a top-rated e-commerce extension & solution provider on the Magento & Shopify platforms
We are here to make the world of e-commerce a better place with our knowledge, innovation & dedication.At Mageplaza, we're not just another tech company. We're your dedicated partner in crafting amazing online shopping experiences...
Top Services:
eCommerce Development
Web Development
Managed Services
Web Design
Mobile App Development
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Location
New York City, New York
Number of Employees
250 - 499
Average Hourly Rate
$35/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
7 Projects Listed
Mageplaza Services
eCommerce Development
Web Development
Managed Services
Web Design
Mobile App Development
Software Development
IT Services
Software Testing
Business Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
For a decade, we have been committed to turning ideas into reality! Since our inception, we have nurtured an ideal: to channel ideas into projects that not only come to fruition, but also contribute positively to society...
Top Services:
Mobile App Development
Web Design
eCommerce Development
Software Testing
Software Development
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Location
BrasĂlia, Brazil
Number of Employees
Under 49
Average Hourly Rate
$270/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
1 Project Listed
APP2B Services
Mobile App Development
Web Design
eCommerce Development
Software Testing
Software Development
IT Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
We are a full-service digital agency focused on helping businesses grow through innovation, creativity, and technology. From strategy to implementation, we work closely with our clients to deliver measurable results and long-term success in the digital world...
Top Services:
Web Design
Web Development
eCommerce Development
WordPress Website Design
Software Development
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Location
Miami, Florida
Number of Employees
Under 49
Average Hourly Rate
$25/hr
Minimal Budget
$1,000 - $10,000
WeboxLab Services
Web Design
Web Development
eCommerce Development
WordPress Website Design
Software Development
Software Testing
Mobile App Development
SEO
PPC
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
ADevss is a software development and digital solutions company helping startups, mid-sized businesses, and enterprises build scalable web and mobile products. We combine strategy, design, and technology to deliver high-performance solutions that drive growth, efficiency, and long-term success...
Top Services:
Web Development
eCommerce Development
UI/UX Design
Digital Services
Branding
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Location
Karachi, Pakistan
Number of Employees
Under 49
Average Hourly Rate
$70/hr
Minimal Budget
$1,000 - $10,000
ADeVss Services
Web Development
eCommerce Development
UI/UX Design
Digital Services
Branding
SEO
PPC
Software Testing
AI Development
Mobile App Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
NatureMenu
NatureCheckout
Vuori Clothing
Bally's Interactive
OnClasses
Top Notch Influencer
The Alphy Johnson
Interhires
Olyn
Get Clout
Data sourced from the agency's DesignRush profile
ADeVss Reviews & Testimonials
Aans Rehman Review from Google
5.0★
Aans Rehman's Review Sourced from Google
Instead of just focusing on qualifications, ADEVSS recognizes the value of talent and character, which is a much-needed approach
Muhammad Moiz Review from Google
5.0★
Muhammad Moiz's Review Sourced from Google
The recruiters really take the time to understand your skills and potential, not just your resume.
Hafiz Ghazi Review from Google
5.0★
Hafiz Ghazi's Review Sourced from Google
I’ve grown so much here and my skills have improved, and I feel more confident in my career path.
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Webotixs is a technology-driven company specializing in web development, digital solutions, and innovative software services designed to help businesses grow and succeed online...
Top Services:
Digital Services
Branding
Design Services
Web Design
UI/UX Design
Show more
Location
Lahore, Pakistan
Number of Employees
Under 49
Average Hourly Rate
$30/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
1 Project Listed
Webotixs Services
Digital Services
Branding
Design Services
Web Design
UI/UX Design
eCommerce Development
Web Development
WordPress Website Design
Software Testing
Mobile App Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Felixs Olmos
Mexicon Group
Ozee Fx
Data sourced from the agency's DesignRush profile
Webotixs Reviews & Testimonials
olmos Roofing company llc Review from Google
5.0★
olmos Roofing company llc's Review Sourced from Google
Webotixs, a highly competitive and professional web development company, created a website for us. They are known for their politeness and commitment to delivering quality work. Notably, they only receive payment upon the successful completion of the website. I highly recommend Webotixs for any web development needs.
Mexicon Group Review from Google
5.0★
Mexicon Group's Review Sourced from Google
Highly professional and reliable web development team! Webotixs did an outstanding job building our ecommerce website for Mexicon Group. The design is clean, modern, and fully mobile responsive. They set up all 5 product categories Beauty, Beverages, Household Essentials, Personal Care, and Vitamins & Supplements with proper product listings and smooth navigation.The website loads fast, looks great on all devices, and has a very user-friendly shopping experience. They also handled the complete setup including domain, hosting, and payment integration. Delivered within the promised timeframe and were very cooperative throughout the entire process.Would definitely recommend Webotixs to anyone looking for a professional ecommerce website at a great price. Thank you for the excellent work!
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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.Â
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. Â
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. Â
Special software testing services such as QA audit goes from $5,000 to $25,000.Â
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:Â Â
Core functionality issues: Use functional testing to verify features work as expectedÂ
Unstable code or new features: Use unit testing for individual components and integration testing for modules working togetherÂ
Poor system stability after updates: Seek regression testing to make sure new changes didn't break existing featuresÂ
Performance and load issues: Use performance and load testing to evaluate speed and scalabilityÂ
Security issues: Security and penetration testing are commonly used across apps handling sensitive user dataÂ
Hard-to-navigate user experience (UX): Pursue usability testing to determine how intuitive the application is for end usersÂ
Low compatibility across devices: Compatibility testing can evaluate how good the app works on different browsers, devices, and OS versionsÂ
There is also the option to choose between manual and automated testing. Â
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. Â
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.Â
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. Â
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.Â
How do businesses measure the effectiveness of software testing?
The effectiveness of the software testing is measured via:Â
Code coverage: The percentage of the code that has been testedÂ
Defect density: The number of defects found per unit of codeÂ
Test case effectiveness: The percentage of test cases that identify defects; helps prune redundant and ineffective testsÂ
Time to detect and fix defects: The time it takes to identify and fix software defects and software bugsÂ
Defect leakage: The number of bugs that "escaped" to production versus those caught during the testing phase Â
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