Top 100 Software Testing Companies in the United States

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.

Established in 2017, ShyftUp is a mobile & app marketing company. The small team specializes in mobile & app marketing. The firm is based in San Francisco, California.

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. 

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.

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.

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.

Quality geek is a Santa Monica, California-based user experience company. The small agency was launched in 2021. Their services include ux/ui design, web development, application testing, and e-commerce development.

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.

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.

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.

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.

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. 

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.

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.

IT managed services company Andrews Cooper was established in 2000. The firm offers IT managed services, product design, and contract manufacturing and has a midsize team. The firm is based in McMinnville, Oregon; Lake Oswego, Oregon; Corvallis, Oregon and Bothell, Washington.

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.

JazzTeam LLC is a custom software development company located in Wilmington, Delaware. The small team offers custom software development, application testing, and IT strategy consulting. The firm was founded in 2024.

 GRSP Tech is a custom software development firm based in Atlanta. Founded in 2016, their team of 30 serves clients in the education and finance sectors. Services include web and mobile app development.

Calibraint 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.

Elevate Demand is a small Dallas, Texas-based branding firm. Launched in 2020, the team offers branding, marketing strategy, content marketing, and product marketing.

Iterators, LLC is a software testing company based in Boston. Founded in 2017, the team of 4 specializes in application testing.

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.

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. 

Opel Labs is an application testing company. In San Diego, California, their small team specializes in application testing, IoT development, Artificial Intelligence, and custom software development. The agency was launched in 2020.

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. 

Acolyte Applications, a software development company, was founded in 2018. Their small team is headquartered in South Bend, Indiana. Their services include custom software development, application management & support, ux/ui design, mobile app development, and 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.

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. 

XDuce, a business intelligence company and cloud consulting & SI company, is based in Edison, New Jersey. The small company was founded in 2006. Their services include BI & big data consulting & SI and cloud consulting & SI.

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.