Top 100 Software Development Companies in the United States

Slingshot is a software and app development company headquartered in Louisville, Ky. They were founded in 2005, and they have a team of over 25 people. The company mainly provides custom mobile app development, software development, and UX/UI design services.
 

Sphere Software is a software development company located in Chicago. Founded in 2005, the team of nearly 100 employees is expert in software and mobile app development, UI/UX design, IT staff augmentation, and blockchain.

Founded in 2018, Aloa is a mobile app development company. The company focuses on mobile app development, web development, and custom software development and has a small 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.

Ergonized is a CRM consulting company, based in Lviv, Ukraine. Founded in 20007, their team of about 30 serves clients in the financial services, healthcare, and marketing fields. Services include CRM, CMS, and platform development.

BuildLab is an IT services and development company based in Arlington, Va. Their small team has been specializing in custom software development, IT strategy consulting, and web development since 2019. 

CraftedQ is a cloud consulting & SI company. Established in 2013, the team offers cloud consulting & SI, custom software development, web development, mobile app development, and more. Their midsize agency is in Los Angeles, California.

Founded in 2015, Geekbears is a Web and Mobile Design & Development company based in California. They have served 200+ customers, and the list is growing. They worked with clients like Samsung, Harvard, and Indeed. From ideation to launching a digital product, Geekbears walk its clients through the entire process. Their main focus is to help businesses create stunning web and mobile applications to help make the world a more productive one.

Roket is a digital agency that specializes in web design and development. The team of about 10 designers and developers works from its headquarters in Pittsburgh, providing mobile app, web, and e-commerce development, as well as web and UX/UI design. They were founded in 2014.

Headquartered in Miami, Florida, Simple Solutions is a web design agency. The small team offers web design, custom software development, web development, mobile app development, and more. The agency was founded in 2011.

Pixel506 is a branding firm. Their small team is based in Escazú, Costa Rica and New York, New York. Their team specializes in branding, cloud consulting & SI, digital strategy, mobile app development, and more.

WestLink is a midsize Boulder, Colorado-based software development company. Launched in 2016, the team focuses on custom software development, e-commerce development, mobile app development, web development, and more.

Custom software development company Singula team was founded in 2022. The small team specializes in custom software development, web development, CRM consulting and SI, ERP consulting and SI, and more. The firm is in San Francisco, California.

CURTIS Digital, Inc. is an Austin, Texas based web development firm that was founded in 2000. They have 10 employees and specialize in web development, custom software development, and UX/UI design.

ShakaCode is a design and development company based in Paia, Hawaii. Founded in 2011, their team of fewer than 50 specializes in web and custom software development, as well as UX/UI and web design. They primarily serve businesses in industries such as advertising, hospitality, and leisure.

D.Workz Interactive is a full-service design and development company located in San Francisco, CA. Since its founding over 10 years ago, D.Workz Interactive and its team of nearly 50 employees have specialized in UX/UI design, web design, web development, and mobile app development. They serve a range of clients in the healthcare, financial services, education, and transportation industries.

Techlexity is a small custom software development firm. Located in L'viv, Ukraine and Los Angeles, Glendale, California, the agency was founded in 2019. Their services include custom software development, web development, mobile app development, blockchain, and more.

Lunarbyte.io is a development agency based in Seattle. Since 2019, the 3-person team has built websites, custom software, and mobile apps for predominantly small businesses.  

Plan Left is a small advertising company. Launched in 2012, the company is based in Nashville, Tennessee. Their team provides advertising, digital strategy, print design, search engine optimization, and more.

Hypotenuse Labs is a blockchain company. Headquartered in San Francisco, California, their small team provides blockchain, custom software development, web development, Artificial Intelligence, and more. The agency was launched in 2018.

Rootstack is a web and mobile app development agency with offices in Panama City, Panama; Austin, Texas; and Medellin, Colombia. Founded in 2010, they employ 43 staff specializing in outsourcing software development for global companies in a range of industries. Services include graphic design, CRM development, mobile app testing and analysis, and API development.

AndPlus is a software product development company located in Southborough, Mass. Founded in 2009, they have 50 employees and serve companies of all sizes – from Fortune 100 companies like Bloomberg and Honeywell, to funded startups looking to launch their MVP. AndPlus focuses on creating mobile and web solutions for IoT, Big Data, User Experience, Artificial Intelligence, Machine Learning, and more.

Cybercraft Inc. is a development agency headquartered in Lviv, Ukraine, that was established 2012. Their team of 19 offers custom software development, IT staff augmentation, web development, and more. 

Robots & Pencils is a web design company. Their midsize team is in Calgary, California. The agency specializes in web design, Artificial Intelligence, and mobile app development.

Armix Group is a digital strategy agency based in New York. This company has 10+ emploees and was founded in 2006. Services offered by Armix Group include SEO, mobile app development, and web development.

Compoze Labs is a product-focused software development shop based in Minneapolis. The company, founded in 2018, has more than ten employes and provides custom software development, mobile app development, IT managed services, and web development to enterprise and smaller-sized companies.

Headquartered in Wichita, Kan. Flint Hills Group is a software development shop composed of more than 40 experienced software engineers and founded in 2016. They also have a team in Camarillo, Calif and provide a variety of development services, such as software, mobile app, and artificial intelligence for mid-market and small business clients in the IT and manufacturing industries. 

Located in Chicago, Illinois and Chicago, Illinois, Uniqcli is a IT strategy consulting company. The small firm was founded in 2017. Their services include IT strategy consulting, enterprise app modernization, cloud consulting & SI, business consulting, and more.

DevSquad is a software development agency based in Salt Lake City with another office in Brazil. The company was founded in 2014 and their team of 18 provides custom software, web, IoT, and mobile app development and product design services

We Write Code was founded in 2015 and is located in Des Moines, Iowa. Their team of 11 employees provides custom software development, web development, and IT strategy consulting services for enterprise, midmarket, and small businesses.