Top 100 Software Development Companies in Illinois
The Best of September 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 custom software development company, is in Irvine, California. Established in 2017, the small team offers Custom Software Development, Mobile App Development, UX/UI Design, Web Development, and more.Read More
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$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is a software development firm. They specialize in Custom Software Development, UX/UI Design, Mobile App Development, Web Design, and more and were established in 2001. Their small team is in Medina, Washington.Read More
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151$1,000+50 - 249 employeesSchaumburg, ILAllianze BPO Services is a Market Research company. Located in Schaumburg, Illinois, the company was established in 2014. Their team specializes in Market Research and Custom Software Development.Read More
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152Undisclosed50 - 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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153$1,000+50 - 249 employeesPark Ridge, ILEstablished in 2012, Amz Inventor is an e-commerce development company. Their midsize team is headquartered in Park Ridge, Illinois and focuses on e-commerce development, pay per click, and custom software development.Read More
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154Undisclosed50 - 249 employeesNorthbrook, ILOnward Technologies, Inc. Is a Cybersecurity company. They were founded in 1985, and their services include Cybersecurity and IT managed services.Read More
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155$1,000+10 - 49 employeesWillowbrook, ILUX design company Lucid Data Solutions was launched in 2019. Located in Willowbrook, Illinois and Islamabad, Pakistan, the team offers UX/UI Design and Custom Software Development.Read More
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156$10,000+50 - 249 employeesRolling Meadows, ILFounded in 2008, Inyxa, a midsize custom software development firm, is in Rolling Meadows, Illinois. Their services include Custom Software Development and ERP consulting and SI.Read More
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157$1,000+50 - 249 employeesArlington Heights, ILKAT TECH SYSTEMS INC is a software development company in Arlington Heights, Illinois and Hopkins, Minnesota. The team specializes in Custom Software Development and Web Development.Read More
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158$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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159$100,000+10 - 49 employeesChicago, ILLaunched in 2018, Focused is a small custom software development firm based in Chicago, Illinois and Denver, Colorado. Their team offers Custom Software Development and Mobile App Development.Read More
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160$10,000+10 - 49 employeesElgin, ILLaunched in 2007, Floodlight Design is a small Elgin, Illinois-based website development firm. Their services include Web Development and Custom Software Development.Read More
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161$1,000+2 - 9 employeesWheeling, ILEstablished in 2026, Wheeling Software is a small Wheeling, Illinois-based software development firm. Their services include Custom Software Development and Artificial Intelligence.Read More
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162$1,000+2 - 9 employeesChicago, ILChamplin Enterprises, LLC is a website development company. In Chicago, Illinois, their small team offers Web Development and Custom Software Development. The company was founded in 1998.Read More
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163$10,000+50 - 249 employeesChicago, ILTaction Software LLC is a Chicago, Illinois-based custom software development firm. Established in 2013, the midsize team focuses on Custom Software Development, Mobile App Development, Artificial Intelligence, and Web Development.Read More
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First National BankIndustries
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164$50,000+50 - 249 employeesChicago, ILPandera Labs, an app development firm, was founded in 2014. The midsize team focuses on Mobile App Development and Web Development.Read More
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165$5,000+50 - 249 employeesItasca, ILIntegrative Systems is a midsize IT managed services company headquartered in Itasca, Illinois and Pune, India. Their services include IT managed services and IT staff augmentation.Read More
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FollettIndustries
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166$1,000+2 - 9 employeesChicago, ILParallactic Consulting is a website development company. Their small team is located in Chicago, Illinois and specializes in Web Development and Application Testing. The agency was founded in 2006.Read More
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167$1,000+50 - 249 employeesSkokie, ILQwik Apps is a Skokie, Illinois-based software development firm. Their services include Custom Software Development and Web Development.Read More
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168$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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169$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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170$5,000+10 - 49 employeesFrankfort, ILSoftware development firm Nexacore Digital is in Frankfort, Illinois. They provide Custom Software Development and Web Development.Read More
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171Undisclosed10 - 49 employeesChicago, ILBased in Chicago, Illinois, Benda Infotech is a Staffing company. The team offers Staffing and Custom Software Development.Read More
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172$10,000+10 - 49 employeesChicago, ILCatalyst Consulting group, a software development firm, is in Chicago, Illinois. Founded in 1992, the team provides Custom Software Development and IT managed services.Read More
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173$1,000+10 - 49 employeesChicago, ILTissaa is a SEO services firm. They are in Chicago, Illinois and have a small team. The firm provides search engine optimization, IT strategy consulting, cloud consulting & SI, IT managed services, and more.Read More
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174$10,000+2 - 9 employeesChicago, ILDevfollow is an IT strategy consulting company. Established in 2024, the firm is located in Chicago, Illinois. Their team offers IT strategy consulting and Custom Software Development.Read More
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175$10,000+2 - 9 employeesNaperville, ILJusterNet Corporation is an AI development company. Founded in 2020, the agency is in Naperville, Illinois. Their team provides Artificial Intelligence and cloud consulting & SI.Read More
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176$5,000+2 - 9 employeesDowners Grove, ILHelixian, LLC is an e-commerce development firm. Their team is located in Downers Grove, Illinois. The firm focuses on E-Commerce Development and Custom Software Development.Read More
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177$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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178Undisclosed250 - 999 employeesAurora, ILAsofttek is a midsize IT strategy consulting company established in 2013. Their services include IT strategy consulting and IT managed services.Read More
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179$25,000+10 - 49 employeesChicago, ILCaptios Partners is a Generative AI company launched in 2023. Their services include Generative AI and Custom Software Development.Read More
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180Undisclosed2 - 9 employeesChicago, ILFounded in 2024, Trusted Web Eservices is a social media marketing firm. The team focuses on Social Media Marketing and Search Engine Optimization.Read More
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Check out a Software Developers in Illinois with the most new reviews in the past 12 months.
Most Reviewed
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