Top 60 C# Developers in Chicago
The Best of December 2025Looking for a top C Sharp software development company in Chicago?
The programming language C Sharp (C#), is general-purpose and used for web and mobile apps. It has a number of advantages: It's object-oriented, has automatic garbage collection, functions across platforms, has backward compatibility, and integrates well with other platforms and services.
To assist you in your search for a partner, we’ve compiled this list of the top C# developers in Chicago. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Chicago C Sharp (C#) Software Development Companies
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31$5,000+10 - 49 employeesDowners Grove, ILProfusion Systems is a Downers Grove, Illinois-based software development company. The small company was established in 2012. Their team specializes in Custom Software Development, Mobile App Development, cloud consulting & SI, E-Commerce Development, and more.Read More
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AramarkIndustries
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32$250,000+250 - 999 employeesChicago, ILApp development firm Devbridge is in Chicago, Illinois and Kaunas, Lithuania. Established in 2008, the team specializes in Mobile App Development and UX/UI Design.Read More
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GraingerIndustries
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33$10,000+10 - 49 employeesChicago, ILRead More
ADHD Interactive is a web development firm headquartered in Poznań, Poland. The firm focuses on web development, mobile app development, ux/ui design, digital strategy, and more and has a small team.The firm was established in 2014.
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Johnson & JohnsonIndustries
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34$5,000+10 - 49 employeesChicago, ILGate 39 Media, a custom software development company, is headquartered in Chicago, Illinois. Established in 2003, the team offers Custom Software Development and Web Development.Read More
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35$10,000+10 - 49 employeesChicago, ILCity Innovation Labs, a custom software development company, was founded in 2017. The team specializes in Custom Software Development and Mobile App Development.Read More
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36$10,000+50 - 249 employeesChicago, ILDMC, Inc., a custom software development firm, is based in Chicago, Illinois and Somerville, Massachusetts. The team provides Custom Software Development and CRM consulting and SI.Read More
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3MIndustries
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37$10,000+1,000 - 9,999 employeesAlpharetta, GAImproving is a custom software development firm in Plano, Texas and Houston, Texas. They specialize in Custom Software Development and Artificial Intelligence and were launched in 2006.Read More
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38Undisclosed250 - 999 employeesOak Brook, ILAspire Systems, an Application Testing company, was launched in 1996. The team focuses on Application Testing and Web Design.Read More
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AppleIndustries
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39$1,000+2 - 9 employeesChicago, ILKlio Systems, Inc is a small IT managed services company. They provide IT managed services and ERP consulting and SI and were founded in 2015.Read More
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40$1,000+10 - 49 employeesSkokie, ILWebkrafterz is a custom software development company launched in 2014. The company provides Custom Software Development and Web Development, and is small.Read More
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41$1,000+Freelancer employeesRiver Forest, ILRead More
Other IT consulting and SI company Netzant Technology LLC is located in River Forest, Illinois. The small team focuses on other IT consulting and SI, custom software development, web development, mobile app development, and more and was launched in 2007.
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42$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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43$5,000+10 - 49 employeesChicago, ILVioltech, an AI Agents company, is based in Ahmedabad, India and Chicago, Illinois. Founded in 2019, the small team provides AI Agents, IT staff augmentation, Custom Software Development, Artificial Intelligence, and more.Read More
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44$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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45Undisclosed10 - 49 employeesNiles, ILBased in Niles, Illinois, Bluebris Systems, Inc. Is an IT strategy consulting company. Their services include IT strategy consulting and IT managed services.Read More
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46$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.
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TaxBuddy AppIndustries
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47Undisclosed2 - 9 employeesChicago, ILBased in Chicago, Illinois, DoTEnvY is a small software development firm. Their services include Custom Software Development and Mobile App Development.Read More
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48Undisclosed50 - 249 employeesWheaton, ILRemote Employee is a Marketing Strategy company. They are located in Wheaton, Illinois and San Fernando, Philippines, and their services include Marketing Strategy and Digital Strategy.Read More
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49$10,000+10 - 49 employeesArlington Heights, ILLeantegral, a custom software development company, was established in 2009. They are based in Arlington Heights, Illinois and have a small team. Leantegral provides custom software development, other application development, product design, e-commerce development, and more.Read More
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50$10,000+10 - 49 employeesWarrenville, ILXcelpros Technologies Pvt. Ltd. Is a CRM consulting and SI company. The Warrenville, Illinois-based agency was launched in 2011. Their services include CRM consulting and SI and ERP consulting and SI.Read More
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51Undisclosed10 - 49 employeesChicago, ILIn Chicago, Illinois, Vivid Technologies, Inc. Is a custom software development firm. They focus on Custom Software Development and Staffing and were founded in 1994.Read More
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52Undisclosed2 - 9 employeesChicago, ILTeambees Corp, a custom software development company, was launched in 2020. The team offers Custom Software Development and UX/UI Design and is in Chicago, Illinois and Gurugram, India.Read More
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53$5,000+50 - 249 employeesNaperville, ILGenix Technologies is a website development firm founded in 2010. Their services include Web Development and Custom Software Development.Read More
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54$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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55$25,000+Freelancer employeesChicago, ILFounded in 2011, Automly App Development Company is a web development firm. The firm specializes in Web Development and Custom Software Development.Read More
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