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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121$50,000+10 - 49 employeesChicago, ILLocated in Chicago, Illinois, One Design Company is a small custom software development firm. The team focuses on Custom Software Development and Branding.Read More
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122Undisclosed2 - 9 employeesChicago, ILDCoding Labs is a small custom software development company established in 2022. Their services include Custom Software Development and IT strategy consulting.Read More
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123$25,000+10 - 49 employeesChicago, ILThirdwave, LLC is a web development company. They are located in Chicago, Illinois and have small team. They offer Web Development and Custom Software Development.Read More
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124$250,000+1,000 - 9,999 employeesChicago, ILValtech is a New York, New York-based Digital Strategy company. The agency specializes in Digital Strategy, Custom Software Development, Content Marketing, Marketing Strategy, and more and is large.The agency was founded in 1993.Read More
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L'OréalIndustries
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125$1,000+10 - 49 employeesGroveland, ILAll in One Cluster is a software development company. They are based in Groveland, Illinois and Bengaluru, India, and their services include Custom Software Development and Web Development.Read More
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126$5,000+10 - 49 employeesOak Brook, ILQuadW Technology is a software development firm. The Oak Brook, Illinois-based team specializes in Custom Software Development and Web Design.Read More
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127Undisclosed10 - 49 employeesNaperville, ILLocated in Naperville, Illinois and Chicago, Illinois, Black Line IT is a software development firm. Their services include Custom Software Development and Digital Strategy.Read More
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128$5,000+10 - 49 employeesCollinsville, ILSwip Systems, a custom software development company, offers Custom Software Development and Web Development. The agency is located in Collinsville, Illinois.Read More
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129$25,000+250 - 999 employeesHouston, TXTekRevol is a midsize application development company founded in 2018. Their team specializes in Mobile App Development, IT staff augmentation, Custom Software Development, Web Development, and more. The company is located in Houston, Texas; Red Deer, Canada; Newark, California and New York, New York.Read More
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130$5,000+10 - 49 employeesGeneva, ILFounded in 2016, OM Agency is a custom software development company and e-commerce development firm. Their services include Custom Software Development and E-Commerce Development.Read More
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131$5,000+50 - 249 employeesSchaumburg, ILEstablished in 1994, Global Mobility Services, a midsize custom software development company, is based in Schaumburg, Illinois. Their team provides Custom Software Development and IT managed services.Read More
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132$25,000+50 - 249 employeesSchaumburg, ILPSC Group, a custom software development company, provide Custom Software Development and Enterprise App Modernization. They were launched in 1990.Read More
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133$100,000+50 - 249 employeesNaperville, ILEgen is an IT strategy consulting company. They were established in 2002 and offer IT strategy consulting and cloud consulting & SI.Read More
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134Undisclosed10 - 49 employeesChicago, ILIn Chicago, Illinois and Melbourne, Australia, Expresscommerce LLC is a small custom software development firm. Their services include Custom Software Development and Web Development.Read More
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135$5,000+10 - 49 employeesChicago, ILBased in Chicago, Illinois, TekMutants is a custom software development firm. Their services include Custom Software Development and E-Commerce Development.Read More
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136Undisclosed10 - 49 employeesChicago, ILScalesology is a big data company. They are based in Chicago, Illinois and Denver, Colorado, and their services include BI & big data consulting & SI and Custom Software Development.Read More
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137$10,000+10 - 49 employeesChicago, ILAi2 is a small software development firm established in 1982. Their services include Custom Software Development and Enterprise App Modernization.Read More
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138$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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139Undisclosed50 - 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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140$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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141Undisclosed50 - 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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142$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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143$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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144$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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145$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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146$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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147$100,000+10 - 49 employeesChicago, ILSoftware development firm Focused was launched in 2018. The team specializes in Custom Software Development and Mobile App Development and is based in Chicago, Illinois and Denver, Colorado.Read More
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148$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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149$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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150$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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Check out a Software Developers in Illinois with the most new reviews in the past 12 months.
Most Reviewed
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