Top 50 Application Modernization Companies in Chicago
The Best of December 2025Looking for a top legacy modernization service in Chicago?
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 Chicago. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Chicago Enterprise Application Modernization Services
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1$25,000+1,000 - 9,999 employeesChicago, ILSimform is a cloud consulting & SI company. They are headquartered in Orlando, Florida; Los Angeles, California; Chicago, Illinois and San Francisco, California and have a large team that specializes in cloud consulting & SI, Custom Software Development, Mobile App Development, Artificial Intelligence, and more. The agency was established in 2010.Read More
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RedbullIndustries
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2$100,000+250 - 999 employeesChicago, ILRead More
Objective Solutions is a Sao Paulo, Brazil-based. The midsize firm was launched in 1995. Their services include.
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LiferayIndustries
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3$25,000+250 - 999 employeesChicago, ILRead 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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4$10,000+10 - 49 employeesChicago, ILCompoze Labs, a software development company, was established in 2015. The small Minneapolis, Minnesota-based team offers Custom Software Development, Artificial Intelligence, Mobile App Development, AI Consulting, and more.Read More
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Swire Coca-ColaIndustries
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5$50,000+50 - 249 employeesChicago, ILRead More
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.
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Porsche AGIndustries
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6$10,000+50 - 249 employeesChicago, ILRead More
Alligatortek is a software company headquartered in Chicago with an office in Oakbrook Terrace, Ill. Since 1993, their team of 59 has lent its services in custom software development, mobile app development, and cloud consulting & SI. They specialize in Azure, and have experience in working with frameworks such as .NET, AngularJS, and React Native.
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Feeding America -
7$10,000+2 - 9 employeesChicago, ILRead More
Since 2014 web and mobile app development agency LakeView Labs has served clients ranging from startups to Fortune 500 companies. The small team of fewer than 10 applies its skill in mobile app, software, web, and e-commerce development to help these clients build engaging digital products.
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OctothorpeIndustries
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8$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
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9$50,000+1,000 - 9,999 employeesOakbrook Terrace, ILIn 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
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Champion Home ExteriorsIndustries
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10$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
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n-treeIndustries
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11$25,000+10 - 49 employeesChicago, ILBusiness intelligence company Loadsys Consulting, Inc was launched in 2002. Their small team is located in Chicago, Illinois and provides BI & big data consulting & SI, Artificial Intelligence, Enterprise App Modernization, AI Consulting, and more.Read More
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All Star DeliveryIndustries
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12$10,000+250 - 999 employeesChicago, ILProgrammers - AI, Data & Software is a midsize artificial intelligence company based in Chicago, Illinois. They offer Artificial Intelligence, BI & big data consulting & SI, Custom Software Development, Generative AI, and more and were founded in 1990.Read More
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13$25,000+250 - 999 employeesOak Brook, ILSenecaGlobal is a custom software development firm. They are based in Oak Brook, Illinois; Hyderabad, India and Nashville, Tennessee and have a midsize team. The firm specializes in Custom Software Development, Enterprise App Modernization, Artificial Intelligence, AI Consulting, and more.Read More
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14$10,000+10 - 49 employeesOak Park, ILUptic IO LLC is an Oak Park, Illinois-based DevOps Managed Services company. They focus on DevOps Managed Services, Enterprise App Modernization, cloud consulting & SI, Custom Software Development, and more and were launched in 2017.Read More
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15Undisclosed250 - 999 employeesChicago, 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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16$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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17$10,000+250 - 999 employeesChicago, ILSoftura is a midsize Farmington Hills, Michigan-based Application Management & Support company. Their services include Application Management & Support and Enterprise App Modernization.Read More
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18$5,000+10 - 49 employeesChicago, ILLaunched in 2020, Kumo Partners is a small Chicago, Illinois-based Enterprise App Modernization company. Their services include Enterprise App Modernization and IT strategy consulting.Read More
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19Undisclosed10,000+ employeesChicago, ILFounded in 1993, Thoughtworks Software Technologies Ltd is a large Chicago, Illinois-based AI company. Their team offers Artificial Intelligence and IT managed services.Read More
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20$10,000+10 - 49 employeesChicago, ILAi2 is a small software development firm established in 1982. Their services include Custom Software Development and Enterprise App Modernization.Read More
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21$25,000+10 - 49 employeesChicago, ILOne Six Solutions is a business intelligence company. They were founded in 2013, and their services include BI & big data consulting & SI and Enterprise App Modernization.Read More
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22$100,000+10 - 49 employeesChicago, ILSoftware development firm Focused was launched in 2018. The team specializes in Custom Software Development and Mobile App Development and is based in Chicago, Illinois and Denver, Colorado.Read More
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23Undisclosed50 - 249 employeesLombard, ILPolaris Solutions, LLC is an IT managed services company founded in 2008. The agency provides IT managed services and Custom Software Development.Read More
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24$5,000+50 - 249 employeesWestmont, ILRSTAR Technologies is a CRM consulting and SI company. The Westmont, Illinois-based agency was launched in 2000. Their team provides CRM consulting and SI and ERP consulting and SI.Read More
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Exelon CorporationIndustries
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25$250,000+50 - 249 employeesChicago, ILHeadquartered in Chicago, Illinois, ForceIQ is a midsize cloud consulting & SI company. The team specializes in cloud consulting & SI and CRM consulting and SI.Read More
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26$5,000+2 - 9 employeesChicago, ILWSC, an IT managed services company, offers IT managed services and Enterprise App Modernization. The company is based in Chicago, Illinois.Read More
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27Undisclosed10 - 49 employeesOak Park, ILAnvilo Inc. Is a software development firm. Established in 2015, the team offers Custom Software Development and unified communications consulting & SI.Read More
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28$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
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29$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.
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30$10,000+10 - 49 employeesChicago, ILCRM consulting and SI company Edver was founded in 2020. The small team provides CRM consulting and SI and IT managed services.Read More
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