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.
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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31$10,000+10 - 49 employeesIrving, TXRead More
Usability Sciences is a market research company. The Irving, Texas-based agency was founded in 1989. The small team specializes in market research, ux/ui design, product design, custom software development, and more.
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32$1,000+10 - 49 employeesHamden, CTRead More
3PRIME LLC is a web design firm that is located in Hamden, Conn. Founded in 2005, 3PRIME LLC's team of 14 employees specialize in web and software development. The firm also offers SEO services to its clients.
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The Advocator GroupIndustries
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33$5,000+10 - 49 employeesPortland, ORRead More
Arck Interactive is a boutique web development agency that is based in Portland, Ore. Founded in 2008, Arck Interactive's team of 5 employees has a decade of experience specializing in web development, mobile app development, and web design services to its clients.
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The World BankIndustries
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34$10,000+2 - 9 employeesSan Jose, CAQuality Geek LLC, an user experience agency, was established in 2021. The company focuses on UX/UI Design, Application Testing, Web Development, E-Commerce Development, and more and has a small team. The company is headquartered in San Jose, California.Read More
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35Undisclosed10 - 49 employeesJacksonville, FLTechAID Solutions, an Application Testing company, is based in Jacksonville, Florida. The small team specializes in Application Testing, AI Consulting, Artificial Intelligence, DevOps Managed Services, and more. The company was established in 2010.Read More
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36$10,000+250 - 999 employeesAtlanta, GAXperity, a custom software development firm and application testing company, is located in Atlanta, Georgia. The midsize firm was founded in 2008. Their team offers custom software development and application testing.Read More
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37$5,000+50 - 249 employeesNaperville, ILApplication Testing company CodeAutomation.ai LLC is headquartered in Naperville, Illinois; Ottawa, Canada and Naperville, Illinois. The midsize company was founded in 2018. Their services include Application Testing, Mobile App Development, Custom Software Development, Web Development, and more.Read More
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38$1,000+2 - 9 employeesSan Diego, CARead More
A digital marketing agency based in San Diego, Wolfhound Interactive was founded in 2003. Their team of fewer than 10 offers conversion optimization, PPC, UX/UI design, and digital strategy services. They serve small to midmarket businesses in industries such as e-commerce, advertising and marketing, and business services.
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Ford Sears California Chamber of Commerce Tektronix Massage Warehouse Greyhound Adoption Center Silvert’s Clothing Caltech Stanford To see Wolfhound Interactive's case studiesIndustries
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39$1,000+250 - 999 employeesSunnyvale, CAFounded in 2012, ThinkSys is a midsize custom software development firm. Their services include Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more. The agency is in Sunnyvale, California.Read More
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40$10,000+10 - 49 employeesEvanston, ILRead More
Imaginary Landscape is a web development firm based in Chicago. Established in 1995, the team of around 10 employees provides web design and development, e-commerce development, UX/UI design, and application testing services with a specialty in Django software.
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OSF HealthcareIndustries
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41$25,000+2 - 9 employeesCary, NCRead More
Custom software development firm Oak City Labs was founded in 2014. They are in Apex, North Carolina and have a small team. Oak City Labs focuses on custom software development, web development, mobile app development, IoT development, and more.
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42$5,000+2 - 9 employeesColumbia, MDRead More
BlueSteel Cybersecurity is an IT firm based in Columbia, Md., and founded in 2020. With over two experts, they offer cybersecurity and IT strategy consulting solutions to small and mid-market businesses in the fields of advertising, business services, and more.
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Winning FuturesIndustries
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43$5,000+2 - 9 employeesCrystal Lake, ILRead More
SYDCON, Inc. is a software development group based in Crystal Lake, IL. Founded in 2004, the team consists of 6 dedicated development experts with specialties in web development, e-commerce development, and software development.
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44$10,000+10,000+ employeesChelmsford, MARead More
Cybersecurity company HCL Technologies (Shanghai) Limited is based in Shanghai, China. Founded in 2007, the midsize team provides cybersecurity, cloud consulting & SI, IT managed services, IT strategy consulting, and more.
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45$10,000+50 - 249 employeesOak Brook, ILRead More
Established in 2014, Xcelacore is a branding firm. Their small team is headquartered in Chicago, Illinois. Their services include branding, web design, search engine optimization, social media marketing, and more.
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46$50,000+10 - 49 employeesPhiladelphia, PARead More
Founded in 2014, OpenForge is a development and design company. Located in Philadelphia, their team of 15+ specializes in mobile app development and UX/UI design for clients in the healthcare industry.
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Medical Mutual of OhioIndustries
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47$10,000+10 - 49 employeesSacramento, CARead More
Prestige Development Group is an IT staff augmentation company based in Sacramento, California. The small firm was launched in 2016. Their team specializes in IT staff augmentation, custom software development, mobile app development, and blockchain.
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Capital OneIndustries
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48$25,000+10 - 49 employeesAtlanta, GACustom software development company GRSP Tech is in Atlanta, Georgia. The small agency was established in 2016. Their services include Custom Software Development, Web Development, Mobile App Development, Application Testing, and more.Read More
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Cengage Learning Student Athlete NIL (SANIL) NIST (National Institute of Standards and Technology) Ramah DaromIndustries
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49Undisclosed1,000 - 9,999 employeesSanta Clara, CALaunched in 1997, Qualitest Group is a large Santa Clara, California-based Application Testing company. Their team offers Application Testing.Read More
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AdidasIndustries
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50$5,000+2 - 9 employeesBoston, MAIterators LLC is a small Advertising company. They provide Advertising, Branding, Conversion Optimization, UX/UI Design, and more and were established in 2017.Read More
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Library of CongressIndustries
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51$50,000+10 - 49 employeesTroy, MIRead More
Software development firm LUX interactive was launched in 1999. Located in Troy, Michigan and Troy, Michigan, their small team specializes in custom software development, web development, mobile app development, e-commerce development, and more.
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52$1,000+50 - 249 employeesFremont, CARead More
4 Way Technologies is an application development company. They offer mobile app development and were founded in 2012. Their midsize team is in Noida, India and Fremont, California.
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53$5,000+50 - 249 employeesClackamas, ORIn Clackamas, Oregon, Powerful Web Design for Utilities is a web design company. The team offers Web Design and UX/UI Design.Read More
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Pioneer Utility Resources Hoosier Energy Old Dominion Electric Cooperative Arkansas Electric CooperativesIndustries
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54$25,000+50 - 249 employeesNewark, CACalibraint Technologies is a Chennai, India-based blockchain company. The midsize team focuses on blockchain, custom software development, Artificial Intelligence, application management & support, and more and was launched in 2015.Read More
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55$25,000+2 - 9 employeesDallas, TXElevate Demand is a small Dallas, Texas-based branding firm. Launched in 2020, the team offers branding, marketing strategy, content marketing, and product marketing.Read More
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56$25,000+250 - 999 employeesSan Jose, CARead More
VOLANSYS Technologies is a product realization and digital transformation company based in Ahmedabad, India, and founded in 2008. Their team of more than 350 employees specializes in IoT development, cloud consulting, and mobile app development.
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57$10,000+50 - 249 employeesWixom, MICustom software development company 4-Serv Solutions Inc is headquartered in Wixom, Michigan and Hyderabad, India. Launched in 2006, the midsize team provides Custom Software Development, IT staff augmentation, Web Design, UX/UI Design, and more.Read More
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58$10,000+250 - 999 employeesHouston, TXRead More
Founded in 2010, Cafeto is an IT staff augmentation and development firm based in Houston. They primarily work with midmarket businesses. Their team also offers design services.
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PROSIndustries
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59$100,000+10 - 49 employeesTampa, FLRead More
E2Generations is a full-service software development agency that was founded in 2013. Headquartered in Tampa and with offices in Baltimore, Los Angeles, and Washington D.C., E2Generations' team of 5 employees has worked with clients of all sizes. The firm specializes in custom software and mobile app development but also offers UI/UX design and other services.
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Florida FundersIndustries
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60$25,000+10 - 49 employeesGrand Rapids, MIRead More
Brightly is an user experience design company. They are based in Grand Rapids, Michigan and have a small team. Their services include ux/ui design, branding, digital strategy, search engine optimization, and more.
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