Top 100 Software Testing Companies in the United States
The Best of October 2026Looking 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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511Undisclosed50 - 249 employeesGreensboro, NCSoftware development company Zenergy Technologies is based in Greensboro, North Carolina. They focus on Custom Software Development and Application Testing and were founded in 2010.Read More
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512Undisclosed50 - 249 employeesHuntsville, ALMTA, INC. - Alabama, a software development company, was established in 1984. The midsize team focuses on Custom Software Development and Application Testing.Read More
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513Undisclosed50 - 249 employeesSeattle, WAFounded in 2012, Strategic Business Decisions Consulting is an Application Testing company. Their team focuses on Application Testing and Digital Strategy.Read More
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514Undisclosed50 - 249 employeesNew York, NYRTTS is a business intelligence company. The company is in New York, New York. Their team specializes in BI & big data consulting & SI and Application Testing.Read More
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515Undisclosed50 - 249 employeesOrange, CASQA² is an Application Testing company launched in 1997. The team offers Application Testing and IT strategy consulting and is in Orange, California.Read More
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516Undisclosed50 - 249 employeesCupertino, CAOPTOFIDELITY is an AR/VR development company. Their midsize team of employees is located in Cupertino, California. Their team specializes in AR/VR development and Application Testing.Read More
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517Undisclosed50 - 249 employeesSan Francisco, CATestRigor is an Application Testing company. Established in 2015, the company is based in San Francisco, California. Their team focuses on Application Testing and ERP consulting and SI.Read More
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518Undisclosed50 - 249 employeesSan Francisco, CAFounded in 2012, Rainforest QA, a midsize Application Testing company, is in San Francisco, California. Their services include Application Testing and Artificial Intelligence.Read More
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519Undisclosed50 - 249 employeesRedwood City, CASplit Software, Inc. Is an Application Testing company. They offer Application Testing and Custom Software Development and were launched in 2015.Read More
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520Undisclosed1,000 - 9,999 employeesDiamond Bar, CALiferay is an Application Testing company established in 2004. The large team focuses on Application Testing and API Development.Read More
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521$1,000+2 - 9 employeesDenver, COIn Cheyenne, Wyoming and Denver, Colorado, Imperitiv Solutions LLC is an IT strategy consulting company. Established in 2015, the team specializes in IT strategy consulting and cloud consulting & SI.Read More
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522$1,000+2 - 9 employeesPalm Beach Gardens, FLWeb design company Dovera provides Web Design and Web Development. They are based in Palm Beach Gardens, Florida.Read More
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523$5,000+2 - 9 employeesRichmond, VALong Software is a mobile app development firm. Launched in 2018, the team offers Mobile App Development and Web Design.Read More
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524Undisclosed10 - 49 employeesFair Oaks, CALaunched in 2006, BG Software is a Cybersecurity company. The agency provides Cybersecurity and Custom Software Development.Read More
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525Undisclosed10 - 49 employeesDallas, TXAlex Solutions, a small custom software development company, is headquartered in Auarangabad, India and Dallas, Texas. Their services include Custom Software Development and Web Development.Read More
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526$10,000+50 - 249 employeesChicago, ILDMC, Inc., a custom software development firm, is based in Chicago, Illinois and Somerville, Massachusetts. The team provides Custom Software Development and CRM consulting and SI.Read More
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3MIndustries
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527$10,000+10 - 49 employeesOakland, CARead More
Founded in 2021, Nimi Tech Limited is a small software development firm based in Oakland, California; Colombo, Sri Lanka and Chennai, India. Their services include custom software development, web development, mobile app development, IT staff augmentation, and more.
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528$10,000+2 - 9 employeesLos Angeles, CABadFeatures is an UX company. The Los Angeles, California-based agency was launched in 2015. Their services include UX/UI Design and Web Development.Read More
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529$5,000+10 - 49 employeesFremont, CATOPSYNTAX INC, a software development firm, is in Fremont, California. They specialize in Custom Software Development and Enterprise App Modernization and were founded in 2018.Read More
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530$1,000+10 - 49 employeesSugar Land, TXEstablished in 2017, Matican Group LLC, a small web design company, is based in Sugar Land, Texas. Their team specializes in Web Design and UX/UI Design.Read More
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531Undisclosed10 - 49 employeesLindon, UTApproachable Geek is a mobile application development company. They were established in 2019, and their services include Mobile App Development and Custom Software Development.Read More
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532$1,000+10 - 49 employeesTigard, ORHeadquartered in Tigard, Oregon, CoDevelop is a web development firm. They provide Web Development and Search Engine Optimization and were founded in 2022.Read More
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533$5,000+10 - 49 employeesMurrieta, CALaunched in 2006, SYSTELLEX is a social media marketing company. The team offers Social Media Marketing and Search Engine Optimization.Read More
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534$1,000+10 - 49 employeesLas Vegas, NVConversion Optimization company It Work Solutions was established in 2020. The agency specializes in Conversion Optimization and Search Engine Optimization.Read More
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535$10,000+10 - 49 employeesAllen, TXProcess Paramarsh Inc. Is a small IT staff augmentation company. Established in 2024, the team provides IT staff augmentation and ERP consulting and SI.Read More
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536$5,000+10 - 49 employeesDallas, TXSquadron Technology Pvt Ltd is an IT managed services company launched in 2020. In Dallas, Texas and Ahmedabad, India, the team provides IT managed services and BI & big data consulting & SI.Read More
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537Undisclosed10,000+ employeesBurbank, CAHeadquartered in Carmanhall And Leopardstown, Ireland and Burbank, California, Keywords Studios is a large video production agency. The team provides Video Production and Mobile App Development.Read More
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538Undisclosed2 - 9 employeesFrisco, TXLaunched in 2025, General David, LLC is a small Cybersecurity company. Their services include Cybersecurity and IT strategy consulting.Read More
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539$10,000+50 - 249 employeesPittsburgh, PASmith Brothers Advertising is a Pittsburgh, Pennsylvania-based branding firm. Launched in 2002, the team offers Branding and Public Relations.Read More
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MSAIndustries
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540Undisclosed250 - 999 employeesGreensboro, NCOrasi Software is a midsize custom software development firm. They specialize in Custom Software Development and BI & big data consulting & SI and were established in 2002.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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