Top 100 Software Testing Companies in the United States
The Best of December 2025Looking for a top software QA company in the United States?
Hiring a software testing company is a necessity to both test and improve the services your company offers, especially in an increasingly digital world.
To assist you in your search for a partner, we’ve compiled this list of the top software testing companies in United States. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
Jump to Most Reviewed Companies
List of the Best United States Software QA Companies
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$5,000+50 - 249 employeesCluj-Napoca, RomaniaRead More
BetterQA is an Application Testing company. Their midsize team is located in Cluj-Napoca, Romania. Their services include Application Testing, other IT consulting and SI, and Application Management & Support. The company was launched in 2018.
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$5,000+50 - 249 employeesSeattle, WARead More
QA Wolf, an application testing company, was launched in 2019. The company provides application testing and has a small team.
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301Undisclosed1,000 - 9,999 employeesHouston, TXKastech Software Solutions Group is an IT strategy consulting company. They focus on IT strategy consulting and cloud consulting & SI and are headquartered in Houston, Texas and Hyderabad, India.Read More
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302$1,000+50 - 249 employeesWashingtonville, NYFounded in 1993, Hudson Software is a call center service. Their services include Call Center Services and Application Testing.Read More
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303$5,000+50 - 249 employeesChicago, ILLaunched in 2016, QA Outsource is a midsize IT strategy consulting company. Their services include IT strategy consulting and IT managed services.Read More
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304$10,000+50 - 249 employeesAustin, TXPhunware, Inc. Is a custom software development firm. Founded in 2009, the company is in Austin, Texas and. Their team specializes in Custom Software Development and Mobile App Development.Read More
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Recognition in <em>Austin Inno's 50</em> -
305$25,000+10 - 49 employeesSeattle, WAElite Crest Technologies is a small AI firm established in 2011. Their team offers Artificial Intelligence and IoT development.Read More
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306$1,000+50 - 249 employeesLos Angeles, CAAppinventors INC is a mobile application development firm founded in 2014. The team specializes in Mobile App Development and IT staff augmentation and is headquartered in Los Angeles, California.Read More
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Jubilant FoodWork Subway Follett CleverIndustries
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307$10,000+50 - 249 employeesPleasanton, CA12th Wonder is a cloud consulting & SI company founded in 2012. Based in Pleasanton, California, the team offers cloud consulting & SI and Mobile App Development.Read More
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308$1,000+50 - 249 employeesNewark, DESysally is a cloud consulting & SI company in Newark, Delaware. Founded in 2018, the team focuses on cloud consulting & SI and IT managed services.Read More
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309Undisclosed50 - 249 employeesPalatine, ILWhiztekcorp is a software development firm launched in 2000. The agency specializes in Custom Software Development and cloud consulting & SI, and is midsize.Read More
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310$1,000+50 - 249 employeesWilmington, DEBased in Wilmington, Delaware, Glocal Accounting is a big data company. Established in 2007, the team specializes in BI & big data consulting & SI and Cybersecurity.Read More
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311$5,000+50 - 249 employeesFramingham, MASoltrix Technology Solutions, Inc., a Digital Strategy company, was founded in 2007. The team provides Digital Strategy and BI & big data consulting & SI and is in Framingham, Massachusetts.Read More
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312$1,000+2 - 9 employeesChicago, ILParallactic Consulting is a website development company. Their small team is located in Chicago, Illinois and specializes in Web Development and Application Testing. The agency was founded in 2006.Read More
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313$1,000+250 - 999 employeesFremont, CAElsner Store is a Fremont, California-based IT strategy consulting company. The team offers IT strategy consulting and Pay Per Click.Read More
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314$10,000+50 - 249 employeesNew York, NYQAwerk, an Application Testing company, is in Kyiv, Ukraine; Tallinn, Estonia and New York, New York. Launched in 2015, the midsize team provides Application Testing, UX/UI Design, and Content Writing Services.Read More
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ArctypeIndustries
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315$10,000+10 - 49 employeesAtlanta, GAMoZeus Worldwide is an user experience design company launched in 2010. The team specializes in UX/UI Design and AR/VR development and is headquartered in Atlanta, Georgia.Read More
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316$1,000+10 - 49 employeesSan Jose, CAConverter Tools is a Direct Marketing company. Their small team of employees is headquartered in San Jose, California and Noida, India. Their team specializes in Direct Marketing and Market Research.Read More
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317Undisclosed10 - 49 employeesSugar Land, TXThebestcustomboxes is a branding firm. Headquartered in Sugar Land, Texas, their small team provides Branding and Graphic Design. The firm was founded in 2019.Read More
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318Undisclosed50 - 249 employeesVienna, VAMicroHealth is a midsize IT managed services company. They focus on IT managed services and Application Testing and were founded in 2011.Read More
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319$5,000+2 - 9 employeesFresno, CAJETS Tech., LLC is a custom software development company. Based in Fresno, California, the firm focuses on Custom Software Development and Web Development.Read More
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320Undisclosed250 - 999 employeesPhiladelphia, PALocated in Philadelphia, Pennsylvania and City of London, England, Invent Analytics is an AI company. They specialize in Artificial Intelligence and Application Testing.Read More
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321Undisclosed250 - 999 employeesAlpharetta, GARapidIT Inc is an Application Testing company. The team specializes in Application Testing and Recruiting and is located in Alpharetta, Georgia and Hyderabad, India.Read More
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322$5,000+10 - 49 employeesWilmington, DEApp development firm Vinur Software is in Yerevan, Armenia. The company provides mobile app development, custom software development, and BI & big data consulting & SI and is small.The company was founded in 2018.Read More
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Bank of AmericaIndustries
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323$25,000+10 - 49 employeesPhiladelphia, PAMFR Consultants, Inc is a small Philadelphia, Pennsylvania-based Business Consulting company. Their services include Business Consulting and Digital Strategy.Read More
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324$10,000+50 - 249 employeesIndianapolis, INEstablished in 2012, ThiDiff Technologies is a midsize e-commerce development firm. Their team specializes in E-Commerce Development and Custom Software Development.Read More
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325$10,000+50 - 249 employeesDover, DEEstablished in 2013, Malleum is a midsize Ottawa, Canada-based cloud consulting & SI company. Their services include cloud consulting & SI and Cybersecurity.Read More
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326$5,000+250 - 999 employeesIrvine, CAPreludeSys is an Enterprise App Modernization company. The team is in Irvine, California and Chennai, India, and their services include Enterprise App Modernization and Artificial Intelligence.Read More
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327$50,000+250 - 999 employeesSan Diego, CAArkusNexus is an IT staff augmentation company. In San Diego, California and Irvine, California, the company focuses on IT staff augmentation and Custom Software Development.Read More
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328$1,000+10 - 49 employeesMilton, DECodeFreaks is an application development company. Based in Milton, Delaware, the company was founded in 2021. Their team specializes in Mobile App Development and UX/UI Design.Read More
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329$5,000+50 - 249 employeesHouston, TXWebsite development firm IT Concepts was established in 2008. The midsize team provides Web Development and Custom Software Development.Read More
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330$25,000+10 - 49 employeesSunrise, FLTKLABS, Inc. Is a custom software development firm founded in 2000. The team offers Custom Software Development and Web Development and is based in Sunrise, Florida.Read More
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Check out a Software Testing Company in United States with the most new reviews in the past 12 months.
Most Reviewed
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