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.

Home & Garden × $1,000 - $10,000 ×
  • Revolutionize Your Business Online Presence With Us.

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

    Top Services:

    • Digital Services
    • Web Design
    • WordPress Website Design
    • Digital Marketing
    • SEO
    • Show more
    Location
    Shawnee, Kansas
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

    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
      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
      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.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Full-Service E-commerce Development Company

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

    Top Services:

    • eCommerce Development
    • Web Development
    • Software Development
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Hanoi, Vietnam
    Number of Employees
    250 - 499
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    10 Projects Listed

    BSS Commerce Services

    • eCommerce Development
    • Web Development
    • Software Development
    • Web Design
    • UI/UX Design
    • IT Services
    • Mobile App Development
    • Software Testing
    • Cybersecurity
    • WordPress Website Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • PixePrint
    • OlogsBabyArtikel
    • HoolaHoola
    • Dippytee
    • Screenshotsinc
    • Frameless Hardware Company
    • Skandiastyle
    • CafĂ© Du Cycliste
    • Parfymonline
    • Supersports Vietnam
    Data sourced from the agency's DesignRush profile

    BSS Commerce Reviews & Testimonials

    • Anthony G
      Anthony G Review from Google
      5.0

      Anthony G's Review Sourced from Google

      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
      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.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Passion for IoT and real-time data

    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
    • Show more
    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
    • Mill International
    • Laundrify
    • Pockethernet
    Data sourced from the agency's DesignRush profile
  • Mageplaza is a top-rated e-commerce extension & solution provider on the Magento & Shopify platforms

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

    Top Services:

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

    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
    • Bean Bags R Us (Australia)
    • Peterstevens
    • Southland Supply Group (AU)
    • Yogya Online
    • Circle C Supply (US)
    • Tweezerman
    • Overdose
    • KHASTO
    • CERWIN-VEGA
    • Diet Monsta
    Data sourced from the agency's DesignRush profile
  • Anywhere, anytime, be mobile

    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
    • Show more
    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
    • Yolo Club
    • Datafocus
    • XCellent
    Data sourced from the agency's DesignRush profile
  • Transforming Ideas Into Digital Impact

    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
    • Show more
    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
    • Agriculture Industry
    • Beauty Industry
    • Construction Industry
    Data sourced from the agency's DesignRush profile
  • Your Partner In Digital Growth

    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
    • Show more
    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
      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
      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
      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.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Where Ideas Meet Innovation

    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
      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
      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. 

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  

ReceiveFreeProposals

For your project

1

Specify your budget, timeline and project requirements

2

Our experts curate a list of up to 5 most qualified candidate agencies

3

We connect you with them so you can choose the most suitable partner