Top 20 Application Modernization Companies in Milwaukee
The Best of December 2025Looking for a top legacy modernization service in Milwaukee?
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 Milwaukee. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Milwaukee Enterprise Application Modernization Services
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1$25,000+250 - 999 employeesMilwaukee, WIRead More
Software development firm SPR was established in 1973. The midsize team specializes in custom software development, enterprise app modernization, cloud consulting & SI, ux/ui design, and more. The company is headquartered in Chicago, Illinois and Milwaukee, Wisconsin.
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2$10,000+2 - 9 employeesBrookfield, WIRead More
Octavian Technology Group, LLC is a big data consultancy firm that’s based in Milwaukee and founded in 2019. With a team of fewer than 10 people, they are experts in big data consulting, cloud consulting, and AI solutions for clients.
Clients
All-Star SportsIndustries
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3$25,000+50 - 249 employeesBrookfield, WIFounded in 1999, Centare is a software development firm. The team specializes in Custom Software Development and Enterprise App Modernization.Read More
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4Undisclosed10 - 49 employeesBrookfield, WIIctect, Inc. Is a software development firm and Enterprise App Modernization company founded in 2008. Their team offers Custom Software Development and Enterprise App Modernization.Read More
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5$10,000+50 - 249 employeesMilwaukee, WIAvectree, an IT strategy consulting company, was founded in 2016. They specializes in IT strategy consulting and BI & big data consulting & SI.Read More
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6$10,000+2 - 9 employeesBayside, WIOliven Labs, LLC is an UX company. They were established in 2024 and provide UX/UI Design and IT strategy consulting.Read More
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7$5,000+250 - 999 employeesCascade, WIGDC IT Solutions is a Chambersburg, Pennsylvania-based big data analytics company. Established in 1995, the team provides BI & big data consulting & SI and IT managed services.Read More
Clients
Oshkosh Corporation Carlisle Construction Materials Kubota Manufacturing of America University of Pittsburgh: Pennsylvania Child Welfare Resource CenterIndustries
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8Undisclosed250 - 999 employeesMettawa, ILRead More
ES99 is a branding company launched in 1999. They are in Chicago, Illinois and have a midsize team. Their services include branding, advertising, direct marketing, market research, and more.
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9$5,000+50 - 249 employeesLibertyville, ILBitovi, an Enterprise App Modernization company, is based in Libertyville, Illinois. They specialize in Enterprise App Modernization and Custom Software Development and were launched in 2007.Read More
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10$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
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11$5,000+10 - 49 employeesLibertyville, ILThinkNChange, a Back Office Outsourcing company, is in Libertyville, Illinois and Kingston, Jamaica. They focus on Back Office Outsourcing and Cybersecurity.Read More
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12$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
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13$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.
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14$5,000+2 - 9 employeesLincolnshire, ILReplient is a small custom software development firm. They focus on Custom Software Development and Enterprise App Modernization and were established in 2019.Read More
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15$1,000+10 - 49 employeesDeerfield, ILGiant Star AI is an UX agency located in Deerfield, Illinois. They specialize in UX/UI Design and Custom Software Development.Read More
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16$25,000+50 - 249 employeesSchaumburg, ILPSC Group, a custom software development company, provide Custom Software Development and Enterprise App Modernization. They were launched in 1990.Read More
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17$10,000+10 - 49 employeesSouth Barrington, ILAptlyLabs Inc is a small software development company. They offer Custom Software Development and Web Development and were launched in 2018.Read More
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18Undisclosed10 - 49 employeesDeerfield, ILSCIGON is a Cybersecurity company. They provide Cybersecurity and Enterprise App Modernization and were established in 2008. The agency is based in Deerfield, Illinois.Read More
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19$1,000+10 - 49 employeesGlenview, ILArystech is a cloud consulting & SI company launched in 2022. The firm offers cloud consulting & SI and IT managed services.Read More
Industries
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