Top 8 Software Testing Companies in St. Louis
The Best of December 2025Looking for a top software QA company in St. Louis?
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 St. Louis. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best St. Louis 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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1Undisclosed50 - 249 employeesSt. Louis, MOPolaris Solutions, LLC is an IT managed services company founded in 2008. The agency provides IT managed services and Custom Software Development.Read More
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2Undisclosed10 - 49 employeesCollinsville, ILLaunched in 2011, Special Inspections & Design is an Architectural Design and Application Testing company. Their team provides Architectural Design and Application Testing.Read More
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3Undisclosed10 - 49 employeesO'Fallon, ILApplication Testing and Engineering company Quality Testing and Engineering, Inc was established in 2000. The team specializes in Application Testing and Engineering.Read More
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4Undisclosed10 - 49 employeesSwansea, ILDino Consulting is a software development firm located in Swansea, Illinois. They provide Custom Software Development and Enterprise App Modernization and were founded in 2014.Read More
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5Undisclosed50 - 249 employeesSt. Louis, MOCEdge Inc. Is a midsize IT strategy consulting company launched in 2004. Their team focuses on IT strategy consulting and cloud consulting & SI.Read More
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6Undisclosed50 - 249 employeesJerseyville, ILVerve Industrial, a data analytics company, was established in 1994. The company specializes in BI & big data consulting & SI and Cybersecurity, and is midsize.Read More
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7Undisclosed50 - 249 employeesTroy, MOAbeTech, an Application Testing company, was founded in 1992. Headquartered in Rogers, Minnesota and Troy, Missouri, the team offers Application Testing.Read More
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8Undisclosed2 - 9 employeesGlen Carbon, ILForensic IT, Inc. Is a Glen Carbon, Illinois-based Application Testing company. The team offers Application Testing.Read More
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