Top 100 Software Development Companies in the United States

Headquartered in New York, Vention is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, Vention has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, Vention's talent pool includes 3500+ engineers with experience in all of the latest technologies.

Dualboot Partners is a product design and software engineering company founded in Raleigh, N.C. in 2018 with over 50 professionals. They offer custom software development and application testing solutions for various clients.

SOLTECH is a custom software development company headquartered in Atlanta. The company, founded in 1998, has 73 employees who provide custom software development, HR services, and CRM consulting and SI services. 
 

Full-cycle software solutions provider INOXOFT is based in Lviv, Ukraine. Founded in 2014, their team of 76 specializes in web and custom software development for clients in the e-commerce and information technology industries.

Saritasa is a full-source software development firm based in Newport Beach, Calif. With additional offices in New York City, Russia, and Vietnam. They were founded in 2005 and employ a team of about 90 who provide custom software, web, mobile, IoT, and AR/VR development for mostly mid-sized businesses.

Michigan-based software development company Atomic Objects serve clients around the world. The team of over 60 and has been creating custom products for web and mobile since being founded in 2001.

Founded in 2000 in Frederick Maryland, Orases is a custom software development company with 20+ employees. They provide web and e-commerce development, branding, strategy, and design for mostly mid-market companies.

Custom software development company Six Feet Up, Inc. Was founded in 1999. The small team provides custom software development, web development, cloud consulting & SI, Artificial Intelligence, and more. The company is based in Fishers, Indiana.

Oxagile is a advertising company. They are headquartered in New York, New York and Warszawa, Poland and have a midsize team that provides advertising, BI & big data consulting & SI, custom software development, web development, and more. The company was established in 2005.

Azumo is a San Francisco based software development services company. They have additional offices in McKinney, Texas and Rosario, Argentina. They were founded in 2016, and specialize in custom software development, mobile app development, and the use of AI.

Since 2000, Praxent has launched over 300 unique software products. The team of 30+ is based in Austin, TX, and has experience working with small, mid-market, and large clients on their software development, web development, and mobile app development needs.

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.

Founded in 1998, REEA Global is a midsize software development firm. Their team specializes in custom software development, ux/ui design, web development, mobile app development, and more. The agency is located in Baltimore, Maryland.

SPARK Business Works is a custom software development firm. They provide custom software development, mobile app development, web design, and web development and were launched in 2017. Their midsize team is Kalamazoo, Michigan-based.

AirDev is a San Francisco based software development company. They were founded in 2015 and have a team of 11 employees who specialize in the custom software, web, mobile app development. 

Fulcrum is a development company based in Kyiv, Ukraine. Founded in 2018, they work primarily with midmarket businesses in the business services, consumer products, and gaming industries. With 18 team members, their services include custom software, web, and mobile app development.

DOOR3 is a software development company headquartered in New York, NY. Founded in 2002, DOOR3 has grown to a team of about 60 employees that serves mostly enterprise and mid-market business. They provide software, web, and mobile app development, UX/UI design, and enterprise app modernization.

HatchWorks is an Atlanta-based software development and UX/UI design company with extensive nearshore delivery centers in Latin America. Founded in 2016, HatchWorks core purpose is to design and build software solutions your customers and business will love. HatchWorks provides custom software development, experience design, analytics, AI/ML, big data, and cloud services through their integrated US and Nearshore Agile teams.

Taazaa Inc. is a Cleveland-based software agency founded in 2007 with over 50 experts. They offer custom software, web, and mobile app development solutions for clients ranging from small businesses to large firms in the fields of health care, education, and real estate.

Pell Software is a custom business software developer based out of Denver. Founded in 2019 and with about 5 team members, they focus on custom software development and website development mainly for small businesses in manufacturing, e-commerce, automotive, and financial industries. 

Toptal is a private network of freelance technologists and designers. With more than 2000 freelance workers in its exclusive community, Toptal can be instrumental in finding the right freelance partner for development projects. The community includes developers for any platform, finance experts, and designers of both visual material and graphic interfaces. Because of its screening process, Toptal combines the reliability and expertise of an agency with the flexibility and affordability of freelance work.

Digital Mettle is a technology consultancy and custom software development firm based in Raleigh, N.C. The firm, founded in 2001, has a team of more than ten that provides custom software development, mobile app development, web development, and IT strategy consulting services to small and midmarket companies and institutions in business services, consumer products & services, education, financial services, health care and medical, nonprofit, and other industries.

Buildable Custom Software is a software development firm founded in 2008. Located in McMinnville, Ore., their team of 9 employees specialize in custom software development, UX/UI design, and web design. They work with small and midmarket businesses within the transportation, education, and health care industries.
 

X-Team is a Melbourne, Australia-based IT staff augmentation company. The midsize company was founded in 2004. Their team offers IT staff augmentation.

Founded in 2001, Thinklogic is a development firm. Their small team is based in El Segundo, Calif. They focus on custom software, web, and mobile app development.

Webtronic Labs is a Miami, Florida-based custom software development firm. They offer custom software development, ux/ui design, digital strategy, IT strategy consulting, and more and were established in 2018.

Vincit California is a software development company that has provided mobile app development, custom software development, and UX/UI design services to their clients since 2007. Their team of 1,000 employees is based out of Irvine, Calif. With another office in Helsinki.

Eureka is a custom software and technology engineering firm based in Austin, Texas. Founded in 1986, Eureka's has about 20 employees that primarily focus on midmarket businesses in the telecommunications sector. Services include custom software, mobile app development, and UX/UI design.

ITH is a software development company headquartered in Grand Rapids, Michigan. They specialize in custom software development, web development, and mobile app development and were established in 2003.

RevStar Consulting is a midsize software development company established in 2009. Their services include custom software development, cloud consulting & SI, Artificial Intelligence, and IoT development. The company is in Tampa, Florida.