Top 100 Application Modernization Companies in Washington DC
The Best of December 2025Looking for a top legacy modernization service in Washington DC?
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 Washington DC. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Washington DC Enterprise Application Modernization Services
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31$25,000+10 - 49 employeesChantilly, VARead More
TDMK Digital is a full-service digital agency comprised of 10-15 innovators, problem solvers, designers, and engineers. The team has specialized in web design, mobile app development, and UX/UI design since its founding in 2009. From its headquarters in Chantilly, Va., TDMK Digital partners with small, mid-market, and enterprise-level clients. Along with digital product strategy, TDMK’s development expertise ranges from custom software, CMS, portals, and cloud-based applications to enterprise app modernization.
Clients
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32Undisclosed10 - 49 employeesCalverton, MDE-INFOSOL LLC is a Cybersecurity company. Headquartered in Calverton, Maryland, the team provides Cybersecurity and Custom Software Development.Read More
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33Undisclosed10 - 49 employeesSpringfield, VASecureTech360, LLC is a small Cybersecurity company launched in 2009. Their services include Cybersecurity and Enterprise App Modernization.Read More
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34Undisclosed10 - 49 employeesWashington, DCClient First Technologies, LLC is an IT managed services company. The agency is based in Washington, District of Columbia. Their services include IT managed services and Enterprise App Modernization.Read More
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35Undisclosed10 - 49 employeesArlington, VAInnovative System Solutions Corporation is a Cybersecurity company. The small Arlington, Virginia-based team focuses on Cybersecurity and Business Consulting. The company was launched in 2003.Read More
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36Undisclosed10 - 49 employeesMcLean, VABetis Group is a software development firm. Founded in 1995, the team offers Custom Software Development and Enterprise App Modernization. The firm is located in McLean, Virginia.Read More
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37Undisclosed10 - 49 employeesFalls Church, VASerry Systems Inc. Is a Falls Church, Virginia-based Enterprise App Modernization company. They offer Enterprise App Modernization and cloud consulting & SI and were launched in 2006.Read More
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38Undisclosed10 - 49 employeesVienna, VAK2S | Koncepts2Solutions is an Application Testing company headquartered in Vienna, Virginia. The team specializes in Application Testing and Robotics Process Automation.Read More
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39Undisclosed2 - 9 employeesBethesda, MDCustom software development company and Enterprise App Modernization company Xfinion Inc. Was established in 2005. The team focuses on Custom Software Development and Enterprise App Modernization.Read More
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40Undisclosed2 - 9 employeesBethesda, MDBased in Bethesda, Maryland, NITOR INC is an IT managed services company. They specialize in IT managed services and Enterprise App Modernization.Read More
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41Undisclosed2 - 9 employeesSpringfield, VAIn Springfield, Virginia, James Bimen Associates Inc is a software development firm. They focus on Custom Software Development and Enterprise App Modernization.Read More
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42Undisclosed2 - 9 employeesCheltenham, MDHeadquartered in Cheltenham, Maryland, DAPP Technologies, LLC is an IT managed services company. Their services include IT managed services and Cybersecurity.Read More
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43Undisclosed2 - 9 employeesOxon Hill, MDE-volve Technology Systems, Inc. Is an Application Management & Support company. They provide Application Management & Support and ERP consulting and SI and were launched in 2000.Read More
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44Undisclosed2 - 9 employeesSilver Spring, MDLaunched in 2013, Belkhis Consulting LLC is a small Silver Spring, Maryland-based Translation company. Their services include Translation and Enterprise App Modernization.Read More
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45Undisclosed2 - 9 employeesBeltsville, MDTruth Technology, Inc is an IT managed services company. Based in Beltsville, Maryland, their team offers IT managed services and Enterprise App Modernization.Read More
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46Undisclosed2 - 9 employeesMcLean, VACloud consulting & SI company LatticeWorks, Inc was founded in 2017. The firm offers cloud consulting & SI and IT managed services, and is small.Read More
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47$5,000+10 - 49 employeesFairfax, VAAktiun, Inc., a software development firm, was launched in 2016. They provides Custom Software Development and Web Development.Read More
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48Undisclosed50 - 249 employeesReston, VADev Technology Group, a custom software development firm, is located in Reston, Virginia. They provide Custom Software Development and IT managed services and were established in 1998.Read More
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49Undisclosed50 - 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.
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50Undisclosed2 - 9 employeesRockville, MDHyerTek is an IT strategy consulting company in Rockville, Maryland. Launched in 2016, the team offers IT strategy consulting and BI & big data consulting & SI.Read More
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51Undisclosed2 - 9 employeesClifton, VALocated in Clifton, Virginia, EHR Evolution is an Enterprise App Modernization company. Established in 2008, the team offers Enterprise App Modernization and Custom Software Development.Read More
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52Undisclosed50 - 249 employeesAlexandria, VAFounded in 1997, Edgesource Corporation is a software development company. The team provides Custom Software Development and Enterprise App Modernization.Read More
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53Undisclosed50 - 249 employeesReston, VAIntelligent Waves LLC is a Cybersecurity company. The team focuses on Cybersecurity and Custom Software Development, and the firm is headquartered in Reston, Virginia.Read More
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54Undisclosed10 - 49 employeesRockville, MDIn Rockville, Maryland, Optimoz, Inc. Is a big data analytics company. Established in 2013, the team provides BI & big data consulting & SI and cloud consulting & SI.Read More
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55Undisclosed50 - 249 employeesHerndon, VAI-Link Solutions is a midsize Enterprise App Modernization company. They specialize in Enterprise App Modernization and BI & big data consulting & SI and were launched in 2002.Read More
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56Undisclosed10 - 49 employeesManassas, VASystems Enginuity, Inc. Is a custom software development company. They were launched in 2004 and offer Custom Software Development and Enterprise App Modernization.Read More
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57Undisclosed2 - 9 employeesOakton, VABased in Oakton, Virginia, NeevSys Inc is a small custom software development company. The team focuses on Custom Software Development and UX/UI Design.Read More
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58Undisclosed50 - 249 employeesTowson, MDHeadquartered in Towson, Maryland, Motifworks is an IT strategy consulting company. They provide IT strategy consulting and BI & big data consulting & SI and were founded in 2010.Read More
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59Undisclosed2 - 9 employeesAshburn, VAEnterprise App Modernization company Xceleon is headquartered in Ashburn, Virginia. The team offers Enterprise App Modernization and IT managed services.Read More
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60Undisclosed10 - 49 employeesFairfax, VABuddoBot Inc. Is a Cybersecurity company. They are in Fairfax, Virginia, and their services include Cybersecurity and Enterprise App Modernization.Read More
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