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.
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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151$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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152$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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153$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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154$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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155$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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156$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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157$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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158$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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159$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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160$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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161$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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162$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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163$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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164Undisclosed10 - 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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165$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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166$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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167$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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168$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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169$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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170$10,000+50 - 249 employeesChicago, ILTaction Software LLC is a custom software development firm. Launched in 2013, the team offers Custom Software Development, Mobile App Development, Artificial Intelligence, and Web Development. Their midsize company is based in Chicago, Illinois; Cheyenne, Wyoming; Noida, India and Austin, Texas.Read More
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First National BankIndustries
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171Undisclosed250 - 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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172$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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173Undisclosed2 - 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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174$1,000+50 - 249 employeesLombard, ILITR Consulting, a SEO company, offers Search Engine Optimization and Web Design. The agency is located in Lombard, Illinois.Read More
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175Undisclosed50 - 249 employeesLong Grove, ILSmartRoots is a web design company located in Andover, Massachusetts and Long Grove, Illinois. They provide Web Design and Custom Software Development.Read More
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176Undisclosed50 - 249 employeesNorthbrook, ILMidsize IT strategy consulting company Kokomo24/7®, is in Northbrook, Illinois. Their services include IT strategy consulting and CRM consulting and SI.Read More
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177$1,000+2 - 9 employeesMatteson, ILRead More
Webiside is a web design company. The small Matteson, Illinois-based agency was launched in 2016. Their team focuses on web design, web development, e-commerce development, graphic design, and more.
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178Undisclosed50 - 249 employeesChicago, ILRead More
Launched in 2020, Pixeio Technologies is a mobile app development firm. Their midsize team is based in Tiranë, Albania and provides mobile app development, custom software development, web development, IT strategy consulting, and more.
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179$100,000+50 - 249 employeesWillowbrook, ILWebsite development firm Elite Coder Studios LLC is based in Willowbrook, Illinois. Founded in 2019, the midsize team offers web development, mobile app development, custom software development, and e-commerce development.Read More
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180Undisclosed10 - 49 employeesDowners Grove, ILBridgePoint Technologies is an IT managed services company. In Downers Grove, Illinois, their small team focuses on IT managed services and Mobile App Development. The firm was launched in 2004.Read More
Industries
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