Top 100 Software Testing Companies in the United States
The Best of June 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 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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1$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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2$5,000+50 - 249 employeesBoise, IDQualityLogic is an Application Testing company launched in 1986. In Boise, Idaho; Simi Valley, California and Oklahoma City, Oklahoma, their midsize team focuses on Application Testing.Read More
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DisneyIndustries
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3$5,000+250 - 999 employeesMountain View, CARead More
PFLB specializes in performance testing services. We help companies find and resolve performance bottlenecks such as ill-performing API calls or slow database queries.
Clients choose us for their performance testing needs across various technologies, including web and mobile applications, core banking systems, SAP, IVR, and legacy software.
We provide support for JMeter and LoadRunner environments, offering a comprehensive range of solutions. Additionally, our load testing platform, PFLB, empowers companies to conduct efficient and scalable performance tests.
With over 15 years of industry experience, PFLB has established a strong reputation for delivering reliable performance testing solutions globally.
For more information, visit our website at pflb.us. We'd love to discuss how we can optimize your software's performance.
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SamsungIndustries
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4$1,000+250 - 999 employeesNew York, NYQA Mentor, Inc. Is a midsize Application Testing company. The New York, New York-based agency was founded in 2010. Their team provides Application Testing.Read More
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HSBCIndustries
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5$1,000+50 - 249 employeesBoise, IDRead More
Mindful QA is a midsize Los Angeles, California-based application testing company. They specialize in application testing and were launched in 2018.
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6$5,000+10 - 49 employeesBoulder, CORead More
Established in 2009, OnPath Testing is an Application Testing company. They are headquartered in Boulder, Colorado and have a small team. The company focuses on Application Testing, Application Management & Support, and DevOps Managed Services.
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Leesa SleepIndustries
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7$1,000+50 - 249 employeesAurora, CORead More
iBeta Quality Assurance is a software testing company in Aurora, Colorado. Founded in 1999, they have about 90 employees and provide application testing services.
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HasbroIndustries
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8$50,000+1,000 - 9,999 employeesSan Francisco, CABairesDev is a software development company. They focus on Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more and were established in 2009. Their large team is San Francisco, California-based.Read More
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GoogleIndustries
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9$250,000+250 - 999 employeesAustin, TXRead More
Growth Acceleration Partners is a midsize custom software development company. Launched in 2007, the team specializes in custom software development, application testing, BI & big data consulting & SI, ux/ui design, and more. The firm is headquartered in Austin, Texas.
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10$50,000+1,000 - 9,999 employeesPlano, TXArbisoft, a software development firm, was established in 2007. Their large team is located in Plano, Texas; Berlin, Germany; Lahore, Pakistan and Islamabad, Pakistan. The firm offers Custom Software Development, Mobile App Development, Web Development, IT managed services, and more.Read More
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2U (edX) KAYAK Maiden Century Boston Venture StudiosIndustries
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11$10,000+50 - 249 employeesLakewood, COValor Software is a Lakewood, Colorado-based web design agency. The midsize agency was established in 2013. Their team specializes in Web Design, UX/UI Design, IT strategy consulting, IT staff augmentation, and more.Read More
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BreetheIndustries
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12$5,000+250 - 999 employeesNew York, NYRead More
Clarion Technologies is headquartered in Pune, India. The team has satellite offices stateside in New York as well as in Ahmedabad and Bangalore, India. Founded in 2000, Clarion's team of 500+ employees offers custom software development, web development, CRM consulting & SI, and cloud consulting services. Their client base primarily features small and midmarket businesses.
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GoldenCommIndustries
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13$100,000+1,000 - 9,999 employeesHouston, TXFounded in 2001, Jalasoft is a large IT staff augmentation company. Their team provides IT staff augmentation, Custom Software Development, Web Development, Mobile App Development, and more. The firm is located in Cochabamba, Bolivia; Houston, Texas; Envigado, Colombia and La Paz, Bolivia.Read More
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14$10,000+50 - 249 employeesChicago, ILMojo Trek is an IT staff augmentation company. Founded in 2017, the team focuses on IT staff augmentation, Custom Software Development, IT managed services, Application Testing, and more. Their midsize company is Chicago, Illinois-based.Read More
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Fortune 100 QSR Company Fortune 500 QSR Company AlphaBotIndustries
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15$5,000+50 - 249 employeesAustin, TXRubico is a software development firm. The midsize Austin, Texas-based company was launched in 2003. Their team specializes in Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more.Read More
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16$50,000+50 - 249 employeesScottsdale, AZRead More
Sonatafy Technology is a software house based in San Diego with no more than 250 employees. Since their founding in 2004, they have offered web development, mobile app development, and application testing solutions to clients ranging from small to large firms.
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TaylorMade Golf, Caterpillar, MobiTV, IBM, Cisco, Fox, AKIDO, CoachLogix, Semantic Research, Buzztime, CalsenseIndustries
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17$10,000+50 - 249 employeesMcLean, VARead More
Founded in 2017, Luxe Quality is a application testing company. The agency offers application testing and has a midsize team.
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18$25,000+250 - 999 employeesPlano, TXLaunch by NTT DATA, a mobile app development company, was founded in 2023. The firm provides mobile app development, product design, custom software development, web development, and more and has a midsize team.Read More
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19$1,000+10 - 49 employeesGuys Mills, PACybersecurity and Application Testing company White Knight Labs was founded in 2017. In Guys Mills, Pennsylvania and Grand Rapids, Michigan, their small team provides Cybersecurity and Application Testing.Read More
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20$5,000+50 - 249 employeesSeattle, WAHeadquartered in Seattle, Washington; Yerevan, Armenia and Almaty, Kazakhstan, Innova is a big data analytics company. The midsize agency was established in 2021. Their services include BI & big data consulting & SI, cloud consulting & SI, IT managed services, Custom Software Development, and more.Read More
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21Undisclosed10 - 49 employeesMinneapolis, MNRead More
The Jed Mahonis Group is a mobile app development company from Minneapolis, Minn. Founded in 2012, it has about six employees that do mobile and web development, custom software, UI/UX design, and more for small businesses across a variety of industries.
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Great ClipsIndustries
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22$50,000+10 - 49 employeesPhiladelphia, PARead More
Founded in 2011, Ombu Labs is located in Philadelphia. With eight employees, they provide product design, custom software development, and web development services to enterprise and midmarket sized businesses.
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SnapchatIndustries
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23$75,000+10 - 49 employeesAustin, TXRead More
The Frontside is a software development company from Austin, Texas. It was founded in 2005, and its team of 11 provides web development, mobile development, and custom software development. The Frontside offers Ruby on Rails services.
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ResideoIndustries
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24$5,000+10 - 49 employeesNew York, NYOff-Site Services, a web development company, is based in New York, New York. Founded in 2003, the small team specializes in Web Development, IT staff augmentation, E-Commerce Development, and Application Testing.Read More
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SchrodingerIndustries
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25$50,000+50 - 249 employeesSan Francisco, CAAdmios, a software development firm, was launched in 2005. The company provides Custom Software Development, IT staff augmentation, IT managed services, Application Testing, and more and has a midsize team. The company is in San Francisco, California.Read More
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26$10,000+10 - 49 employeesChicago, ILRead More
Founded in 2006, Logical Media Group is a full-service digital marketing agency crafting digital experiences for people and companies to transact, connect, and explore. The Chicago-based team, whose original core competency was in generating qualified website traffic through search engine marketing, with a specialization in PPC and SEO, now has specific teams tailored towards other online channels such as Amazon Advertising, social media marketing, email marketing, display advertising, and conversion rate optimization.
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Vienna BeefIndustries
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27$1,000+10 - 49 employeesLos Angeles, CARead More
Amplitude Digital Inc. is a digital marketing agency headquartered in Los Angeles. The company specializes in PPC and SEO, and additionally provides digital marketing and social media marketing services. Their small team of 9 works with mid-market and enterprise businesses in mainly the health care & medical, media, and retail industries.
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Dr. SchulzeIndustries
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28Undisclosed2 - 9 employeesPenn Valley, CARead More
SP Marketplace is a software development company based in Penn Valley, Calif., with another office in Sacramento, Calif. Founded in 2012, SP Marketplace specializes in providing custom software development, application development, and application management services to IT companies and nonprofits.
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Coconino CountyIndustries
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29$5,000+10 - 49 employeesPortland, ORRead More
Intuitive Digital is a marketing agency based in Portland, Ore. Since 2012, they've grown to a streamlined team of about 10 employees. Intuitive Digital specializes in web design, SEO, PPC, and social media marketing. The agency works with clients in the business service, consumer product, and education industries.
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Pioneer Pacific CollegeIndustries
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30$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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