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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151$1,000+250 - 999 employeesEmeryville, CABugRaptors is a midsize Application Testing company. The Sahibzada Ajit Singh Nagar, India-based company was launched in 2016. Their services include Application Testing and Cybersecurity.Read More
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152$10,000+50 - 249 employeesChicago, ILVaival Technologies is an user experience agency. The Chicago, Illinois-based team specializes in UX/UI Design and IT staff augmentation.Read More
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153Undisclosed10 - 49 employeesHolly Springs, NCLocated in Holly Springs, North Carolina, Paragon Application Systems is an Application Testing company. They specialize in Application Testing.Read More
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154Undisclosed2 - 9 employeesPiscataway, NJEstablished in 2015, Tetraforzasoft Inc is an Application Testing company. The firm focuses on Application Testing, and is small.Read More
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155Undisclosed10 - 49 employeesIndianapolis, INStonemill Consulting LLC is a small Application Testing company in Indianapolis, Indiana. Their services include Application Testing.Read More
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156Undisclosed10 - 49 employeesAustin, TXTESTCo Inc. Is a small Austin, Texas-based Application Testing company. Their services include Application Testing.Read More
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157Undisclosed250 - 999 employeesTampa, FLA-LIGN, a Cybersecurity and Application Testing company, was launched in 2009. The company focuses on Cybersecurity and Application Testing, and is midsize.Read More
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158$25,000+50 - 249 employeesBeverly Hills, CAWeb design company Friflex is located in Beverly Hills, California. Their services include Web Design and UX/UI Design.Read More
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159Undisclosed250 - 999 employeesAtlanta, GAKatalon is an Application Testing company. They were established in 2016 and provide Application Testing and API Development.Read More
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160Undisclosed50 - 249 employeesAtlanta, GAEstablished in 2016, Kobiton is an Application Testing company. The team offers Application Testing and DevOps Managed Services.Read More
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161Undisclosed50 - 249 employeesAtlanta, GANCS Partners is an Application Testing company in Atlanta, Georgia. They focus on Application Testing and Robotics Process Automation and were established in 2011.Read More
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162Undisclosed10 - 49 employeesFort Wayne, INAdaptek Systems is a small Application Testing company located in Fort Wayne, Indiana. Their services include Application Testing.Read More
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163Undisclosed10 - 49 employeesBoulder, COTopNotchQA is a small Application Testing company. They focus on Application Testing and were established in 2015.Read More
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164Undisclosed10 - 49 employeesIndianapolis, INFinch Automation Inc, an Application Testing company, is located in Indianapolis, Indiana and Fort Wayne, Indiana. Their services include Application Testing.Read More
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165Undisclosed50 - 249 employeesMiami, FLTheTestMart is an Application Testing company. Founded in 2020, the firm is headquartered in Miami, Florida. Their services include Application Testing.Read More
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166Undisclosed250 - 999 employeesNorwalk, CTToluna is a Market Research and Application Testing company. Their team is in Norwalk, Connecticut. The firm focuses on Market Research and Application Testing.Read More
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167Undisclosed2 - 9 employeesLas Vegas, NVBased in Las Vegas, Nevada, iProcess LLC is an Application Testing company. They offer Application Testing and were founded in 2014.Read More
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168Undisclosed10 - 49 employeesDetroit, MIIntellibee Inc, an Application Testing company, was established in 2010. The team provides Application Testing and is based in Detroit, Michigan and Hyderabad, India.Read More
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169Undisclosed10 - 49 employeesEagan, MNComputer Solutions LLC is an Application Testing company. They were founded in 2008 and provide Application Testing.Read More
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170Undisclosed50 - 249 employeesMinneapolis, MNApplication Testing company Parsec Labs was founded in 2017. The team provides Application Testing and is headquartered in Minneapolis, Minnesota.Read More
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171Undisclosed1,000 - 9,999 employeesAustin, TXTricentis is an Application Testing company headquartered in Austin, Texas and Wien, Austria. They specialize in Application Testing and cloud consulting & SI and were founded in 2007.Read More
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172Undisclosed1,000 - 9,999 employeesSan Francisco, CATest IO is an Application Testing company. In San Francisco, California and Berlin, Germany, the agency focuses on Application Testing.Read More
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173Undisclosed250 - 999 employeesSan Jose, CAPerformance Lab is an Application Testing company launched in 2008. Their team focuses on Application Testing.Read More
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174Undisclosed250 - 999 employeesBlue Ash, OHATL, A Bureau Veritas Company, an Application Testing and Engineering company, was founded in 1987. Headquartered in Blue Ash, Ohio, the team focuses on Application Testing and Engineering.Read More
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175Undisclosed250 - 999 employeesSan Francisco, CASauce Labs is an Application Testing company. The San Francisco, California-based team offers Application Testing.Read More
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176Undisclosed10 - 49 employeesSan Francisco, CAApplication Testing company Spiral QA is in San Francisco, California. They offer Application Testing.Read More
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177Undisclosed10 - 49 employeesUnion, OHContinental Testing is a small Union, Ohio-based Application Testing company. The team specializes in Application Testing.Read More
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178Undisclosed250 - 999 employeesIndianapolis, INLocated in North Sydney, Australia and London, England, iLAB is an Application Testing company. They offer Application Testing.Read More
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179Undisclosed250 - 999 employeesNorcross, GAAce Industries is an Application Testing and Contract Manufacturing company. Established in 1932, their team offers Application Testing and Contract Manufacturing.Read More
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180Undisclosed50 - 249 employeesAustell, GAAshley Sling, an Application Testing company, was established in 1992. They focuses on Application Testing.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.
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