Top 40 Application Modernization Companies in Colorado
The Best of December 2025Looking for a top legacy modernization service in Colorado?
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 Colorado. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Colorado Enterprise Application Modernization Services
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31$50,000+250 - 999 employeesBaltimore, MDRead More
Surge Software is a software development agency headquartered in Bellevue, WA, with other offices in Sacramento, CA, Baltimore, MD, and Salt Lake City, UT. The agency of 160+ employees provides custom software development, web development, mobile app development, and e-commerce development services.
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CompTIAIndustries
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32Undisclosed2 - 9 employeesMonument, COCyWren Solutions is a Monument, Colorado-based Cybersecurity company. Launched in 2020, the team specializes in Cybersecurity and Enterprise App Modernization.Read More
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33$1,000+10 - 49 employeesDenver, COEstablished in 2009, Aerie is an AI company. The team focuses on Artificial Intelligence and Enterprise App Modernization and is in Winooski, Vermont and Charlotte, North Carolina.Read More
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34Undisclosed10 - 49 employeesGreenwood Village, COT4S Partners, Inc. Is an IT strategy consulting company. They offer IT strategy consulting and cloud consulting & SI and were established in 2016. The firm is in Greenwood Village, Colorado.Read More
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35$250,000+250 - 999 employeesBroomfield, COLocated in Broomfield, Colorado; Medellín, Colombia; San José, Costa Rica and Guadalajara, Mexico, Gorilla Logic is a custom software development company. The midsize agency was founded in 2002. Their services include Custom Software Development, cloud consulting & SI, Web Development, Mobile App Development, and more.Read More
Clients
Arrow ElectronicsIndustries
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36Undisclosed250 - 999 employeesGreenwood Village, COProfessional Advantage is a midsize ERP consulting and SI company in North Sydney, Australia and Melbourne, Australia. Their services include ERP consulting and SI and cloud consulting & SI.Read More
Industries
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37$25,000+50 - 249 employeesDenver, CO27Global is a custom software development firm. Their team is based in Leawood, Kansas and Denver, Colorado. The firm offers Custom Software Development and Enterprise App Modernization.Read More
Clients
Center for Fiduciary ManagementIndustries
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38$10,000+50 - 249 employeesLakewood, COValor Software is a Lakewood, Colorado-based web design company. The midsize company was established in 2013. Their services include Web Design, UX/UI Design, IT strategy consulting, IT staff augmentation, and more.Read More
Clients
BreetheIndustries
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39$50,000+1,000 - 9,999 employeesDenver, COIn Irvine, California; Roseville, California; Boise, Idaho and Denver, Colorado, Synoptek, LLC. Is an IT managed services company. The large team specializes in IT managed services, Enterprise App Modernization, cloud consulting & SI, and IT strategy consulting and was established in 2001.Read More
Clients
Champion Home ExteriorsIndustries
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40Undisclosed2 - 9 employeesColorado Springs, COLangr Software Solutions, Inc. Is a software development company. They offer Custom Software Development and Web Development and were founded in 2003.Read More
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41$25,000+250 - 999 employeesT'bilisi, GeorgiaAltoros is a midsize Blockchain company. Founded in 2001, the firm is based in Pleasanton, California; Buenos Aires, Argentina; Oslo, Norway and Helsinki, Finland. Their team offers Blockchain, Custom Software Development, Web Development, Enterprise App Modernization, and more.Read More
Clients
AllstateIndustries
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42UndisclosedFreelancer employeesPueblo, CONebulonic Softworks LLC is an IT strategy consulting company. They were established in 2016, and their services include IT strategy consulting and IT managed services.Read More
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