Top 100 Application Modernization Companies in the United States

Concepta is an Orlando-based enterprise software development agency, founded in 2006. The team has about 50 members, who serve clients in the healthcare, hospitality, construction, business services sectors and a has a portfolio of Fortune 100, 500, and Franchise 500 companies. Services include tailored tech solutions, mobile app development, web development, BI, data intelligence, and IT staff augmentation.

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. 

Modus Create is a consulting firm based in Reston, Va. that helps predominately enterprises and mid-market businesses transform for success in the digital future. Founded in 2011, they currently have about 164 employees located in Cluj-Napoca, Romania, Santa Ana, Costa Rica, and Los Angeles who provide time zone-aligned services to their clients. In addition to custom software and web development, they affect change through a collaborative engagement model that focuses on strategy, product design and build, UX, company culture, and process change. 

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. 

Iron Forge Development is a software development firm. They are headquartered in Palm Beach Gardens, Florida and Whitewater, Wisconsin and have a small team. Their services include Custom Software Development, UX/UI Design, Mobile App Development, IT strategy consulting, and more. The agency was launched in 2016.

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.

NIFTIT is a design and development agency based in New York, with an office in Ho Chi Minh City, Vietnam. The agency, founded in 2013, has a team of around 20 that provides, among others, ECM consulting & SI, IT managed services, and applications management & support services to various organizations, institutions, and companies. 

Seisan is a software development company. Founded in 1994, the team offers custom software development. Their small company is based in Lancaster, Pennsylvania.

DeveloperTown, founded in 2008, is a business software solutions developer based in Indianapolis, Ind. It employs about 70 team members. DeveloperTown specializes in enterprise app modernization, but also offers custom software and mobile app development. Many of its clients are enterprise businesses.

Mystic Media is a mobile app and software development agency based in Murray, Utah. The agency, founded in 2001, has more than 50 employees and provides mobile app development, custom software development, and web development services to small and larger-sized companies and institutions in various industries that include business services, gaming, and health care & medical. 

Fuselab Creative is a McLean, Virginia-based user experience company. The small team provides ux/ui design and was founded in 2017.

ActiveLogic Labs is a premium custom software development agency with offices in Kansas City, Miami, and Phoenix. We locally staff our offices with Sr. Software Developers and we strive to deliver exceptional digital products through active communication and collaboration with our clients. With this approach, we eliminate the risk and concern that typically comes with offshore development.

AKOS is a small custom software development firm. Founded in 2015, the agency is in Scottsdale, Arizona. Their team specializes in custom software development, ux/ui design, web development, and digital strategy.

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.

Los Angeles, CA-based digital agency ISBX has been building mobile apps for its customers since 2009. ISBX has a mid-size team that offers a comprehensive slate of services, including user experience (UX) design, mobile and web development, creative branding, and marketing.The CTO went on to say that they appreciated that ISBX was understanding, responsive, and easy to communicate with.

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. 

Launched in 2020, Apex Lab is a software development company. Their small team is based in Tallinn, Estonia and San Francisco, California. Their team offers custom software development, mobile app development, web development, and enterprise app modernization.

Traust is an ERP consulting and SI company. The small Minneapolis, Minnesota-based firm was established in 2001. Their services include ERP consulting and SI, IT staff augmentation, custom software development, IT strategy consulting, and more.

Grape Up is a tech consulting company based in Cracow, Poland with no more than 250 employees. Founded in 2006, they provide custom software development, cloud consulting, and IT staff augmentation services for enterprise-level and mid-market clients alike.

Mutual Mobile is a development and digital products company headquartered in Austin, Texas with a satellite office in Hyderabad, India. Founded in 2009, the company has over 170 employees across locations. Mutual Mobile offers mobile app, AR/VR, IoT, and web development, as well as UX/UI and product design.

8base Labs is a custom software development and product design company based in Coral Gables, Fla. Founded in 2017, they have a team of around 17. They primarily service midmarket and small businesses from different industries including education, real estate, and advertising. 

Cirrius Solutions is a global technology Salesforce.com service company that has successfully completed over 250 successful Salesforce implementations. Specific areas of expertise include CRM consulting and SI, custom software development, enterprise app modernization, and IT strategy consulting. The team of 2-10 specialists provides marketing and sales automation, customer service, and social CRM solutions. Since its 2009 foundation, Cirrius Solutions has served clients local to its Minneapolis headquarters and internationally.

Quartus Technology is a mobile app development company from Darien, Conn. It was founded in 2010 and maintains a small team of fewer than 5. Quartus Technology mainly does mobile app development with an emphasis on Android, but also does web design and development, as well as UX/UI design. Many of its mobile apps are education-focused.

ChaiOne is a mobile app development studio that was founded in 2008. ChaiOne has a team of about 50 spread between its Houston and Austin, Texas locations. ChaiOne does app development, UI/UX design, enterprise app modernization, digital strategy, and internet of things solutions. They serve large enterprise clients, particularly in the energy sector.

Headspring is a full-service custom software engineering and consultancy headquartered in Austin, Texas. Founded in 2001, they design technology solutions to solve complex problems for partners across the country and have delivered over 800 projects. Headspring's services include custom software development, web development, mobile app development, cloud consulting, and enterprise app modernization.

Global software development company SolutionStream is headquartered in Lehi, UT with additional offices in Salt Lake City, UT and Scottsdale, AZ. SolutionStream mostly serves mid-market and enterprise clients in the education, financial services, and information technology industries. The team of about 100 employees provides custom software and mobile app development and UX/UI design.

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.

Blink UX is a midsize Digital Strategy company launched in 2000. Their team focuses on Digital Strategy, Product Design, Market Research, Enterprise App Modernization, and more. The agency is based in Seattle, Washington; Cambridge, Massachusetts; San Diego, California and San Francisco, California.

LunarLab is a Birmingham, Alabama-based UX design agency. The small company was founded in 2021. Their services include UX/UI Design, Web Design, Enterprise App Modernization, Digital Strategy, and more.

Def Method is a software development company based in New York City. Founded in 2014, the team of 21 specializes in custom software development, web development, IT staff augmentation, AI, and more. They work primarily with large and mid-sized businesses, focusing on financial services, real estate, and IT.