Top 100 Application Modernization Companies in the United States

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. 

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.

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.

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.

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.

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. 

Coalesce is a New York City-based development shop with expertise in software, web, mobile app development, and UX/UI. Founded in 2006, Coalesce has a small team of about 10 employees, all of whom are committed to building exciting and engaging products for mostly mid-market companies. They also have a small business and enterprise presence.

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. 

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. 

The Gnar Company, Inc. is a computer software company based in Boston and founded in 2015. Their team of around 15 provides a variety of services including custom software, mobile app, and web development. They often partner mid-sized and enterprise businesses in a large number of sectors. 

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.

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. 

Denovo Studios is a mobile app development firm based in Detroit, Mich. Founded in 2015, their team of 25 serves clients in the computer software sector. Services include web development and advertising.

Iron Forge Development is a custom software development company. They provide custom software development, ux/ui design, mobile app development, web design, and more and were established in 2016. The agency is based in Whitewater, Wisconsin.

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.

JumpGrowth, a mobile app development firm, is in Dallas, Texas; New York, New York and Austin, Texas. The midsize team specializes in mobile app development, custom software development, enterprise app modernization, AR/VR development, and more. The company was founded in 2018.

Troy Web Consulting is a development house operating out of Troy, N.Y. The team formed in 2002, growing to about 40 people focused on custom software and mobile app development as well as UX/UI design. Their clientele is mostly midmarket, though they also serve small and enterprise businesses.

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.

Blenderbox is a digital agency based in New York and established in 1999. Their team of 24 employees focus on web development, UX/UI design, and web design for primarily small businesses and nonprofits.

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.

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.

Martian Craft is a user experience design company established in 2010. The company provides ux/ui design, cloud consulting & SI, custom software development, web development, and more and has a midsize team.

WeGotCode.com is a UX specialty company based in Atlanta. Founded in 2016, their team of two employees provide custom software development, UX design and cloud consulting services.

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.

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.

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.

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.

Founded in 2011, Imaginovation is a digital agency that offers mobile app development, web development, and web design services. Its team of fewer than 50 employees is headquartered in Raleigh, NC, with an office in Charlotte, NC. 

Located in New York City, Lightmatter is an agency offering web and mobile app development, design, and other digital services. Their team of under 50 employees serves mostly enterprise businesses in industries like financial services, gaming, and healthcare. They were founded in 2013.

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.