Top 100 Software Testing Companies in the United States

QA Wolf, an application testing company, was launched in 2019. The company provides application testing and has a small team.

QualityLogic is a software testing company based in Boise, Idaho with additional offices in California and Oklahoma. Founded in 1986, the team of 68 specializes in application testing. They work primarily with enterprise and midmarket clients in the arts, entertainment and music industries.

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.

QA Mentor, Inc. is a software testing company based in New York. It has more than 175 employees and was founded in 2010. The team specializes in application testing services.

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.

Mindful QA is a midsize Los Angeles, California-based application testing company. They specialize in application testing and were launched in 2018.

iBeta Quality Assurance is a software testing company in Aurora, Colorado. Founded in 1999, they have about 90 employees and provide application testing services.

TechAID Solutions, an application testing company, was founded in 2010. The firm offers application testing, web development, and mobile app development and has a small team. The firm is based in Jacksonville, Florida.

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.

Trigent is a software development company based in Southborough, MA company, with two additional offices in India. Trigent and its over 500 development experts provide offshore software development, application testing, and ECM consulting to companies for their clients. 

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.

Founded in 2017, Luxe Quality is a application testing company. The agency offers application testing and has a midsize team.

Launch 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.

Arbisoft and its team of 300+ employees is a full-service software development company with a homebase in McKinney, TX. With other offices in Malaysia, Pakistan, and Australia, the company has a large of portfolio of Fortune 500 clients.

White Knight Labs is a small cybersecurity and application testing company. They specialize in cybersecurity and application testing and were launched in 2017. The agency is based in Guys Mills, Pennsylvania.

Rubico is a custom software development firm established in 2003. They are in Austin, Texas; Charlotte, North Carolina and Atlanta, Georgia and have a midsize team. Their services include Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and 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.

Cadabra Studio is a digital design and development agency based in Dnipro, Ukraine. Founded in 2015, Cadabra has a staff of 25 specialists, most of whom are full-stack developers. Cadabra provides development for web and mobile applications, custom software, and UI/UX design.

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. 

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.

Jalasoft is an IT staff augmentation company established in 2001. Headquartered in Cochabamba, Bolivia; Houston, Texas; Envigado, Colombia and La Paz, Bolivia, their large team specializes in IT staff augmentation, Custom Software Development, Web Development, Mobile App Development, and more.

Founded in 2013, Valor Software is a web design agency. The company focuses on Web Design, UX/UI Design, IT strategy consulting, IT staff augmentation, and more and has a midsize team.

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. 

In Atlanta, Georgia and Greensboro, Georgia, APG Emerging Tech is a Conversion Optimization company. The company focuses on Conversion Optimization, UX/UI Design, Custom Software Development, Web Development, and more and is small.The company was launched in 2018.

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.

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. 
 

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. 

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.

Headquartered in Miami Beach, Florida; Yerevan, Armenia and Bellevue, Washington, Innova is a software development firm. The small firm was launched in 2021. Their team focuses on custom software development, web development, mobile app development, other application development, and more.

Xperity, 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.