Top 100 Application Modernization Companies in the United States
The Best of June 2026Looking for a top legacy modernization service in the United States?
Application modernization companies can help create new business value from existing applications. Finding the right company to partner with, however, can be an overwhelming process.
To assist you in your search for a partner, we’ve compiled this list of the top application modernization services in United States. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United States Enterprise Application Modernization Services
-
91$5,000+10 - 49 employeesSausalito, CARead More
Atricore is an agile Sausalito, California-based IAM product, services, and consulting company launched in 2007. Their team of IAM experts focuses on identity and access management orchestration and modernization, cybersecurity, and IT strategy consulting; with SaaS tools for cloud identity migration.
Industries
-
92$25,000+10 - 49 employeesColumbia, TNPilot West Studios | ERP & Business Software Modernization is a software development company. Their small team is headquartered in Columbia, Tennessee and provides Custom Software Development, Enterprise App Modernization, Web Development, Mobile App Development, and more. The firm was founded in 2024.Read More
Clients
Nashville Wraps Iron Smith Fire Construction Voafit Sweet Dream In-Home Pet EuthanasiaIndustries
-
93$25,000+2 - 9 employeesRound Rock, TXRead More
Fulcrum Dynamic is a small IT strategy consulting company located in Round Rock, Texas. The team provides IT strategy consulting, custom software development, web development, and mobile app development.
Industries
-
94$25,000+10 - 49 employeesCanton, GARead More
WeGotCode.com is a custom software development firm launched in 2016. The company provides Custom Software Development, cloud consulting & SI, Web Development, Mobile App Development, and more and has a small team.
Industries
-
95$25,000+10 - 49 employeesTruckee, CANew Leaders is a small custom software development company. They focus on Custom Software Development, UX/UI Design, E-Commerce Development, Mobile App Development, and more and were founded in 2007. The agency is in Truckee, California and Beijing City, China.Read More
Clients
Appfolio.comIndustries
-
96$50,000+10 - 49 employeesBellbrook, OHRead More
Sparkbox is a web design and development company based in Dayton, Ohio, with a satellite office in Pittsburgh. Founded in 2009, Sparkbox's team of 38 employees provides web design and development, e-commerce development, custom software development, and UX/UI design services for mainly midmarket businesses.
Clients
Knoxville Utility BoardIndustries
-
97$10,000+50 - 249 employeesAnn Arbor, MICustom software development company Genetech Solutions was established in 2006. The midsize team focuses on Custom Software Development, Mobile App Development, IT staff augmentation, Web Development, and more. The company is located in Ann Arbor, Michigan and Karachi, Pakistan.Read More
Clients
Simply Music LLC Nutri-West 340B Price Guide, LLC 3PL Systems, IncIndustries
-
98$10,000+10 - 49 employeesSanta Monica, CARead More
Founded in 2005, Invemo is a tech company headquartered in Santa Monica with another location in IST, Turkey. Their team of 4 provide mobile app development, UX/UI design, IT strategy, and app modernization services to clients.
Clients
Invemo created innovative solutions for Philips -
99$25,000+10 - 49 employeesColumbia, MORead More
QuarkWorks is a development agency located in San Francisco. Since 2011, their team of 15 has been specializing in mobile app development, web development, product design, and more for enterprise and midmarket-level clients.
Clients
Eventbrite -
100$5,000+50 - 249 employeesSkokie, ILRead More
Hoff & Mazor is a midsize application development firm. They provide mobile app development, enterprise app modernization, wearable app development, and other application development and were established in 2015. The firm is headquartered in Casper, Wyoming.
Industries
-
101$50,000+10 - 49 employeesJenison, MITrailhead Technology Partners, a custom software development firm, is located in Jenison, Michigan; San Marcos, California and Gastonia, North Carolina. The small team offers Custom Software Development, Enterprise App Modernization, Artificial Intelligence, Mobile App Development, and more and was launched in 2016.Read More
Industries
-
102$5,000+10 - 49 employeesSalt Lake City, UTRead More
Ksense Technologies LLC is a small website development company. The Murray, Utah-based agency was launched in 2017. Their services include web development and mobile app development.
Industries
-
103$25,000+2 - 9 employeesOrlando, FLRead More
Grata Software is a software consultancy and development firm headquartered in Orlando, Fla. that specializes in custom software development, mobile app development, IT strategy consulting, cloud consulting, and enterprise app modernization. Founded in 2012, the firm's team of 6 works with small businesses, enterprises, and middle-market companies across industries such as business services, healthcare and medical, hospitality and leisure, and real estate.
Clients
Walt Disney CompanyIndustries
-
104$25,000+250 - 999 employeesChicago, ILApp development company Build BetterApp | Chicago’s Top Mobile App Development Company was launched in 2020. The midsize Chicago, Illinois-based team provides Mobile App Development, Enterprise App Modernization, and Low/No Code Development.Read More
Industries
-
105$50,000+10 - 49 employeesPhiladelphia, PARead More
Founded in 2014, OpenForge is a development and design company. Located in Philadelphia, their team of 15+ specializes in mobile app development and UX/UI design for clients in the healthcare industry.
Clients
Medical Mutual of OhioIndustries
-
106$10,000+10 - 49 employeesSacramento, CARead More
Prestige Development Group is an IT staff augmentation company based in Sacramento, California. The small firm was launched in 2016. Their team specializes in IT staff augmentation, custom software development, mobile app development, and blockchain.
Clients
Capital OneIndustries
-
107$50,000+10 - 49 employeesDenver, COEnterprise App Modernization company DevIQ was launched in 2018. The firm specializes in Enterprise App Modernization, Digital Strategy, Artificial Intelligence, and AI Agents and has a small team.Read More
Industries
-
108$25,000+10 - 49 employeesWylie, TXDeyo Group, Inc. Is a software development firm. They are headquartered in Wylie, Texas and have a small team. Their services include custom software development, web development, mobile app development, e-commerce development, and more.Read More
Industries
-
109$1,000+2 - 9 employeesMemphis, TNRead More
Wintellisys, Inc is an IT company from Memphis, Tennessee. Founded in 2007, they’re experienced in IT managed service, IT strategy consulting, and cloud consulting and SI. They have 7 employees.
Clients
Newberry TanksIndustries
-
110$25,000+10 - 49 employeesChicago, ILTwinCore is a cloud consulting & SI company based in Chicago, Illinois. The small firm was founded in 2011. Their services include cloud consulting & SI, CRM consulting and SI, Custom Software Development, Web Development, and more.Read More
Clients
n-treeIndustries
-
111$25,000+10 - 49 employeesRiverwoods, ILRead More
Insyte Consultancy Services is a software company of around 10 employees. Established in 2011, their headquarters is in Oak Park, Ill. They offer services in mobile app development, wearable app development, custom software development, and enterprise app modernization.
Clients
TaxBuddy AppIndustries
-
112$250,000+10 - 49 employeesOklahoma City, OKRead More
Phase 2 is a custom software development company based in Oklahoma City. Founded in 1998, they have 50 employees, and focus primarily on the business services, transportation, energy and natural resources, manufacturing, and hospitality and leisure industries. Their services include mobile app development, custom software development, and enterprise app modernization.
Clients
Sonic Drive-InIndustries
-
113$25,000+10 - 49 employeesSchaumburg, ILRead More
Captivix, an IT strategy consulting company, was established in 2011. The small Schaumburg, Illinois-based team focuses on IT strategy consulting, ERP consulting and SI, custom software development, digital strategy, and more.
Industries
-
114$25,000+10 - 49 employeesSt. Louis, MORead More
Tuva Interactive is a full-service internet development company from St. Louis. The company was founded in 1996 and currently has a team of 10 employees. Tuva Interactive provides custom software development, web development, and IT strategy consulting.
Clients
FORO Sports ClubIndustries
-
115Undisclosed50 - 249 employeesCockeysville, MDRead More
Marketing strategy company RDA was founded in 1988. The agency specializes in marketing strategy, CRM consulting and SI, web development, e-commerce development, and more and has a midsize team. The agency is located in Cockeysville, Maryland.
Industries
-
116$50,000+10 - 49 employeesBirmingham, ALSigao, a custom software development company, was launched in 2016. In Birmingham, Alabama, their small team offers Custom Software Development, Corporate Training & Coaching, Enterprise App Modernization, CRM consulting and SI, and more.Read More
Clients
McLeod SoftwareIndustries
-
117$25,000+50 - 249 employeesRichmond, VAUDig, a software development firm, was established in 2001. They focuses on Custom Software Development and Product Design.Read More
Industries
-
118$5,000+10 - 49 employeesVienna, VAAtigro, a small Enterprise App Modernization company, is headquartered in Vienna, Virginia. Established in 2003, the team provides Enterprise App Modernization, Web Development, Artificial Intelligence, AI Agents, and more.Read More
Clients
Payroll NetworkIndustries
-
119$5,000+50 - 249 employeesTroy, MISoftware development firm One Team US LLC was launched in 2010. Their midsize team is located in Troy, Michigan and focuses on Custom Software Development, Web Development, Mobile App Development, IT strategy consulting, and more.Read More
Clients
GOAT Pet Products Michigan Die Cut Manufacturing Health Device Manufacturing Flooring CompanyIndustries
-
120$50,000+10 - 49 employeesNew York, NYRead More
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.
Clients
NYC Office of Technology and Innovation - OTIIndustries
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
Schedule ConsultationMost Reviewed App Modernization Service in United States
Check out an App Modernization Service in United States with the most new reviews in the past 12 months.
App Modernization Service
United States
- 11 5 new reviews
- 12 5 new reviews
- 13 5 new reviews
- 14 4 new reviews
- 15 4 new reviews
