Top 100 Software Development Companies in Illinois
The Best of July 2026Looking 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, a software development company, is located in Irvine, California. The small team provides Custom Software Development, Mobile App Development, and UX/UI Design and was founded in 2017.Read More
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$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is a Medina, Washington-based UX agency. The small team focuses on UX/UI Design, Mobile App Development, Custom Software Development, Web Design, and more and was established in 2001.Read More
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181$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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182$1,000+2 - 9 employeesPlainfield, ILVandesys Inc is a software development company. The Plainfield, Illinois-based team offers Custom Software Development and cloud consulting & SI.Read More
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183$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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184$5,000+2 - 9 employeesChicago, ILQuantum Technologies, an IT managed services company, is located in Chicago, Illinois. The small company was established in 2024. Their services include IT managed services, Custom Software Development, Mobile App Development, and Artificial Intelligence.Read More
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185$10,000+2 - 9 employeesWheaton, ILFounded in 2019, Wolfco is a small Wheaton, Illinois-based Product Design company. Their team offers Product Design and IT strategy consulting.Read More
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186$1,000+2 - 9 employeesLake Villa, ILLocated in Lake Villa, Illinois, Nouvos Solutions LLC is an e-commerce development firm. The team focuses on E-Commerce Development and Custom Software Development.Read More
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187$10,000+2 - 9 employeesChicago, ILCartPilot is a Digital Strategy company. The Chicago, Illinois-based team focuses on Digital Strategy and E-Commerce Development.Read More
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188$1,000+10 - 49 employeesRockton, ILSparkFire, an IT strategy consulting company, was launched in 2023. The team offers IT strategy consulting and Custom Software Development.Read More
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189$1,000+10 - 49 employeesChicago, ILCogito software is a Logo company established in 2016. The team offers Logo and Print Design and is headquartered in Chicago, Illinois.Read More
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190$5,000+10 - 49 employeesFrankfort, ILGodfrey Systems is a website development company. Located in Frankfort, Illinois, the company focuses on Web Development and E-Commerce Development.Read More
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191$5,000+2 - 9 employeesWestmont, ILEvenhouse Consulting, Inc. Is a website development firm established in 2006. Their team focuses on Web Development and Digital Strategy.Read More
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192$1,000+2 - 9 employeesVernon Hills, ILInnovedge Software Solutions is a small software development company. The Vernon Hills, Illinois-based company was founded in 2022. Their team provides custom software development, web development, mobile app development, IT staff augmentation, and more.Read More
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193$1,000+2 - 9 employeesCarol Stream, ILPexel Path is a custom software development firm founded in 2020. The team focuses on Custom Software Development and CRM consulting and SI.Read More
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194Undisclosed2 - 9 employeesChicago, ILLaunched in 2025, DS Collective is a small SEO services firm. Their team offers Search Engine Optimization and UX/UI Design.Read More
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195$1,000+2 - 9 employeesWheeling, ILEstablished in 2026, Wheeling Software is a cloud consulting & SI company. The agency specializes in cloud consulting & SI and Custom Software Development.Read More
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196$5,000+2 - 9 employeesBlue Island, ILBLAU Consulting Group LLC is a Digital Strategy company. Their small team of employees is in Blue Island, Illinois. Their team focuses on Digital Strategy and Custom Software Development.Read More
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197$1,000+2 - 9 employeesChicago, ILVryntLab is a website development company. Located in Chicago, Illinois, the firm offers Web Development and Custom Software Development.Read More
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198$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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199$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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200$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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201Undisclosed10 - 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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202Undisclosed50 - 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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203$1,000+10 - 49 employeesSchaumburg, ILDART Warranty Group is an other IT consulting and SI and software development company founded in 2025. The company offers other IT consulting and SI and Custom Software Development.Read More
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204$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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205$25,000+50 - 249 employeesChicago, ILAtomic Object, a custom software development firm and mobile app development firm, was established in 2001. The agency focuses on Custom Software Development and Mobile App Development and has a midsize team. The agency is based in Grand Rapids, Michigan; Ann Arbor, Michigan; Chicago, Illinois and Raleigh, North Carolina.Read More
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206$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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207$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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208Undisclosed250 - 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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209$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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210$25,000+10 - 49 employeesSchaumburg, ILHyperSense Software, a small AI Agents company, is located in Schaumburg, Illinois and București, Romania. Launched in 2003, the team specializes in AI Agents, Mobile App Development, UX/UI Design, Web Development, and more.Read More
Clients
SIGNAL IDUNA Orange KORE Group Holdings, Inc. ALD AutomativeIndustries
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Check out a Software Developers in Illinois with the most new reviews in the past 12 months.
Most Reviewed
Software Developers
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