Top 100 Software Development Companies in the United States

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.

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.

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.

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.

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. 
 

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.

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.

Menklab is a custom software development company. The small team is based in Ada, Michigan and Dnipro, Ukraine. Their services include custom software development, mobile app development, and e-commerce development.

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.

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.

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.

Diffco is a company of world-class senior developers in Mobile, Web, and AI to launch, accelerate, and support your business applications. 13+ years of experience and 1000+ successfully launched projects. We succor our customers to become market leaders.

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.

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.

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.

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. 

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.

Roonyx is a web, mobile app, and AI development company founded in 2008 that caters their services to small business and midmarket clients. They have a team of nearly 30 employees who provide services from Moscow and Boston. They focus on the business services, automotive, and e-commerce industries.

Highland is a digital experience agency based in Chicago. Founded in 1999, the team of about 30 specializes in product strategy, UX/UI design, and custom software development. They work primarily with midmarket to enterprise clients, mainly in the healthcare, financial services, and nonprofit sectors.
 

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.

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.

Thoughtbot is a web and mobile app development company based in Boston, MA with offices in Austin, San Francisco, New York, Raleigh, Washington D.C, and London. Since 2003, this 50+ team has delivered empowering digital solutions to enterprise-level and small companies alike.

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.

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.

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.

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.

7L International, a small software development company, is based in New York, New York. Launched in 2016, the team focuses on custom software development, mobile app development, e-commerce development, and IoT development.

Founded in 2010 in Seattle, Billberry is a software development studio creating custom software, web apps, and digital products in partnership with some of the world's biggest brands. They have a veteran team of fewer than 50 strategists, designers, and developers who work in partnership with clients to help them grow, innovate, and move their businesses forward. Clients include businesses of all sizes in various industries, including business services, consumer products and services, and financial services.

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. 

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.