Top 100 Software Development Companies in Illinois
The Best of December 2025Looking for a top software developer in Illinois?
As the use of mobile and web apps rise, your business’s digital presence becomes even more important. The biggest challenge facing organizations is how they can keep up in the digital world. The best way is to continuously develop up-to-date software that allows your organization to maintain an impactful digital presence.
To assist you in your search for a partner, we’ve compiled this list of the top software development companies in Illinois. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
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List of the Best Illinois Software Developers
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$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures is a software development firm. Their small team is located in Irvine, California. The firm specializes in Custom Software Development, Mobile App Development, UX/UI Design, E-Commerce Development, and more.Read More
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$25,000+10 - 49 employeesMedina, WAFlower Press Interactive is a small user experience agency launched in 2001. Their team offers UX/UI Design, Mobile App Development, Custom Software Development, Web Development, and more. The company is located in Medina, Washington.Read More
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$10,000+10 - 49 employeesJohannesburg, South AfricaRead More
Mobile application development firm CubeZoo was established in 2011. In Johannesburg, South Africa and London, England, their small team specializes in Mobile App Development, Web Development, Artificial Intelligence, UX/UI Design, and more.
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181$5,000+10 - 49 employeesBatavia, ILNorthgate Digital Corporation is a Batavia, Illinois-based custom software development company. Launched in 2002, the team focuses on Custom Software Development and Application Management & Support.Read More
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182$5,000+1,000 - 9,999 employeesOak Brook, ILCIeNET Technologies, a large custom software development company, is in Beijing, China and Oak Brook, Illinois. Their services include Custom Software Development and Enterprise App Modernization.Read More
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183Undisclosed10 - 49 employeesOakbrook Terrace, ILSD3 is a small software development firm and website development company founded in 2001. Their team specializes in Custom Software Development and Web Development.Read More
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184Undisclosed50 - 249 employeesPalatine, ILUnique Soft is a software development firm. In Palatine, Illinois, their team focuses on Custom Software Development.Read More
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185$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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186$25,000+50 - 249 employeesChicago, ILAtomic Object is a custom software development firm and application development firm based in Grand Rapids, Michigan; Ann Arbor, Michigan; Chicago, Illinois and Raleigh, North Carolina. The midsize agency was launched in 2001. Their services include Custom Software Development and Mobile App Development.Read More
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187$25,000+50 - 249 employeesSchaumburg, ILHyperSense Software Inc is a mobile application development firm. Their midsize team is headquartered in Schaumburg, Illinois and București, Romania. The agency specializes in Mobile App Development, AI Agents, UX/UI Design, Custom Software Development, and more. The agency was founded in 2003.Read More
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KORE Group Holdings, Inc.Industries
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188$5,000+10 - 49 employeesSchaumburg, ILCloudcafe Technologies is an e-commerce development company located in Schaumburg, Illinois. Founded in 1998, the team focuses on E-Commerce Development and Web Development.Read More
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189$1,000+10 - 49 employeesBelleville, ILBusiness Consulting company Konect360 was founded in 2016. The team focuses on Business Consulting and Marketing Strategy.Read More
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190Undisclosed250 - 999 employeesAurora, ILSoftware development company Q1 Technologies, Inc. Is headquartered in Aurora, Illinois. They provide Custom Software Development and IT managed services and were established in 2002.Read More
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191$10,000+10 - 49 employeesChicago, ILFounded in 2019, AILINE is a custom software development firm. The company specializes in Custom Software Development and Mobile App Development, and is small.Read More
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192$25,000+10 - 49 employeesSt. Charles, ILRead More
mDevelopers is a software house that launched in 2010. Their team is headquartered in Warsaw and has offices in Czestochowa, Poland. They offer web development, UX/UI design, and custom software development.
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BMWIndustries
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193Undisclosed2 - 9 employeesAurora, ILFounded in 1995, RemoteLink, Inc is a software development company and Marketing Strategy company. Their services include Custom Software Development and Marketing Strategy.Read More
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194Undisclosed2 - 9 employeesChicago, ILOscillas Technologies, Inc. Is a Chicago, Illinois-based big data company and custom software development firm. Their services include BI & big data consulting & SI and Custom Software Development.Read More
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195$1,000+10 - 49 employeesChicago, ILCODEnt Pro is a web design agency. They specialize in Web Design and CRM consulting and SI and are headquartered in Chicago, Illinois.Read More
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196$100,000+10 - 49 employeesNaperville, ILFounded in 2018, Flexday Solutions LLC is a small Naperville, Illinois-based IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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197$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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198$1,000+10 - 49 employeesChicago, ILE Orbit Solutions INC., a branding company, was established in 2017. The team specializes in Branding and Search Engine Optimization and is in Chicago, Illinois.Read More
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199$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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200Undisclosed10 - 49 employeesDes Plaines, ILMEGATECSOL Inc. , a SEO services firm, specializes in Search Engine Optimization and UX/UI Design. The firm is in Des Plaines, Illinois.Read More
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201$1,000+10 - 49 employeesSchaumburg, ILHeadquartered in Schaumburg, Illinois, Logo Designs Expert is a small branding firm. The team specializes in Branding and Web Design.Read More
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202Undisclosed50 - 249 employeesChicago, ILHerzum is a software development firm launched in 2000. Their services include Custom Software Development and Mobile App Development.Read More
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203$25,000+10 - 49 employeesNaperville, ILWorking Excellence is a business intelligence company launched in 2008. Their small team is in Reston, Virginia and Naperville, Illinois. The firm focuses on BI & big data consulting & SI, Artificial Intelligence, AI Consulting, Custom Software Development, and more.Read More
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204$5,000+250 - 999 employeesChicago, ILTechAvidus is an artificial intelligence company located in Chicago, Illinois; West Haven, Connecticut; Villingen-Schwenningen, Germany and Gandhinagar, India. The midsize team focuses on Artificial Intelligence, AI Consulting, Custom Software Development, Web Development, and more. The firm was established in 2016.Read More
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205$25,000+2 - 9 employeesNaperville, ILDeepfai Inc. Is an e-commerce development firm. Established in 2021, the team focuses on E-Commerce Development and Artificial Intelligence. The company is headquartered in Naperville, Illinois.Read More
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206$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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207Undisclosed2 - 9 employeesChicago, ILLightway Solutions is an IT managed services company. Established in 2023, their team offers IT managed services and Custom Software Development.Read More
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208$1,000+2 - 9 employeesChicago, ILMJ Ventures is a Robotics Process Automation company founded in 2023. Located in Chicago, Illinois, the team specializes in Robotics Process Automation and AI Consulting.Read More
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209$5,000+10 - 49 employeesNorthbrook, ILWeb development firm DealAmaze Technologies was launched in 2018. Their small team is in Hyderabad, India and Northbrook, Illinois. Their services include Web Development, Mobile App Development, E-Commerce Development, Custom Software Development, and more.Read More
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210Undisclosed10 - 49 employeesChampaign, ILSC-B Consulting, Inc. Is a Business Consulting company in Champaign, Illinois. They specialize in Business Consulting and Custom Software Development and were founded in 2008.Read More
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