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.
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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31$5,000+10 - 49 employeesChicago, ILHristov Development, an UX agency, was founded in 2013. Their small team is headquartered in Chicago, Illinois and Aguascalientes, Mexico. The company offers UX/UI Design, cloud consulting & SI, IT managed services, IT staff augmentation, and more.Read More
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CylindoIndustries
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32$10,000+10 - 49 employeesChicago, ILRead More
CSW Solutions is a solutions services company based in Chicago. Founded in 2005, they have about 20 employees that focus on middle-market companies and enterprises in the financial services, retail, healthcare, telecommunications, and manufacturing industries. They specialize in web development, custom software development, mobile app development, and IT managed services.
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British Petroleum (BP) Power Equipment Direct Mediacom Telecommunications Gifts For You NowIndustries
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33$10,000+10 - 49 employeesEvanston, ILRead More
Based in Chicago, IL, Breakthrough Technologies is a software solutions agency founded in 1998. The team of approximately 40 has expertise in software development, web design, web development, software development, and mobile app development.
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Lockheed MartinIndustries
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34$5,000+50 - 249 employeesChicago, ILRead More
ISKPRO Inc. Is a web development company founded in 1999. Their midsize team is in Chicago, Illinois and Lincolnshire, Illinois. Their services include Web Development, Custom Software Development, Generative AI, Mobile App Development, and more.
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35$5,000+50 - 249 employeesChicago, ILRead More
Established in 2002, envisionit is a midsize web development company. Their services include web development, digital strategy, marketing strategy, media planning & buying, and more. The firm is in Chicago, Illinois.
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CircleIndustries
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36$25,000+10 - 49 employeesOakbrook Terrace, ILLocated in Oakbrook Terrace, Illinois and Oakbrook Terrace, Illinois, LOGICON, LLC is a small Business Consulting company. They provide Business Consulting, Robotics Process Automation, API Development, BI & big data consulting & SI, and more and were founded in 2015.Read More
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37$50,000+10 - 49 employeesEvanston, ILRead More
Software development firm Red Squirrel Technologies is based in Evanston, Illinois. The small team specializes in custom software development, web development, blockchain, mobile app development, and more and was launched in 2018.
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38$10,000+10 - 49 employeesChicago, ILRead More
Headquartered in Chicago, Illinois, 20spokes is a mobile app development company. The small firm was launched in 2011. Their services include mobile app development, custom software development, and web development.
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39$5,000+10 - 49 employeesBartlett, ILEsco Logics, LLC is a website development company. They are based in Bartlett, Illinois and have a small team. Their services include Web Development, Search Engine Optimization, UX/UI Design, Custom Software Development, and more.Read More
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40$5,000+2 - 9 employeesCrystal Lake, ILRead More
SYDCON, Inc. is a software development group based in Crystal Lake, IL. Founded in 2004, the team consists of 6 dedicated development experts with specialties in web development, e-commerce development, and software development.
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Restorehair.com -
41$10,000+10 - 49 employeesChicago, ILRead More
In Seattle, Washington and Chicago, Illinois, CodeBru is a small custom software development firm. They focus on custom software development, web development, e-commerce development, and web design and were founded in 2015.
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42$50,000+10 - 49 employeesChicago, ILRead More
Based in Chicago and founded in 2009, Vokal is a mobile and digital agency with nearly 50 employees. Their team specializes in web design and development, mobile app development, and digital strategy.
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Whole FoodsIndustries
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43$100,000+50 - 249 employeesChicago, ILRead More
Maven Wave Partners is an IT services company based in Chicago, IL. The team of 150+ is committed to helping clients transition to digital solutions. Founded in 2008, Maven Wave provides IT strategy, cloud, and productivity consulting, as well as software development and design.
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CME GroupIndustries
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44$10,000+2 - 9 employeesChicago, ILRead More
Since 2014 web and mobile app development agency LakeView Labs has served clients ranging from startups to Fortune 500 companies. The small team of fewer than 10 applies its skill in mobile app, software, web, and e-commerce development to help these clients build engaging digital products.
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OctothorpeIndustries
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45$10,000+10 - 49 employeesChicago, ILRead More
J&C is a marketing agency based in Chicago. Founded in 1982, the team of 31 specializes in digital strategy, email marketing, direct marketing, and graphic design.
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HumanaIndustries
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46$10,000+10 - 49 employeesMount Prospect, ILRead More
Carte Blanche is a website development firm in Lahore, Pakistan. The small company was established in 2019. Their team specializes in web development, market research, product design, web design, and more.
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Arisbe Education FoundationIndustries
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47$25,000+50 - 249 employeesOak Brook, ILFounded in 1980, SWC Technology Partners is a custom software development firm. They are based in Oak Brook, Illinois; Chicago, Illinois and Indianapolis, Indiana and have a midsize team. Their services include Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, CRM consulting and SI, and more.Read More
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Batory Foods -
48$10,000+50 - 249 employeesOak Brook, ILRead More
Established in 2014, Xcelacore is a branding firm. Their small team is headquartered in Chicago, Illinois. Their services include branding, web design, search engine optimization, social media marketing, and more.
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49$25,000+10 - 49 employeesChicago, ILRead More
Ethervision is a Chicago-based mobile app boutique. A handful of their projects were App Store originals back in 2008, and they have developed 180+ apps since. The company has 4 employees, and they focus on mobile app development, UX/UI design, and wearable app development.
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AONIndustries
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50Undisclosed50 - 249 employeesChicago, ILRead More
Software development company BotPenguin is headquartered in Chicago, Illinois. The midsize firm was launched in 2016. Their services include custom software development, Artificial Intelligence, mobile app development, and web development.
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51$5,000+10 - 49 employeesChicago, ILRead More
JS Technology Solutions Inc. Is a web development company established in 2012. Their small team is located in Chicago, Illinois and offers web development, custom software development, e-commerce development, and application management & support.
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52$1,000+50 - 249 employeesChicago, ILRead More
Progatix is a SEO services firm founded in 2003. The agency focuses on search engine optimization, custom software development, web development, social media marketing, and more and has a midsize team.
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53$25,000+10 - 49 employeesRiverwoods, ILRead More
Insyte Consultancy Services is a software company of around 10 employees. Established in 2011, their headquarters is in Oak Park, Ill. They offer services in mobile app development, wearable app development, custom software development, and enterprise app modernization.
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TaxBuddy AppIndustries
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54$25,000+10 - 49 employeesChicago, ILTwinCore is a cloud consulting & SI company based in Chicago, Illinois. The small firm was founded in 2011. Their services include cloud consulting & SI, CRM consulting and SI, Custom Software Development, Web Development, and more.Read More
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n-treeIndustries
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55$5,000+50 - 249 employeesNaperville, ILApplication Testing company CodeAutomation.ai LLC is headquartered in Naperville, Illinois; Ottawa, Canada and Naperville, Illinois. The midsize company was founded in 2018. Their services include Application Testing, Mobile App Development, Custom Software Development, Web Development, and more.Read More
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56$25,000+10 - 49 employeesSchaumburg, ILRead More
Captivix, an IT strategy consulting company, was established in 2011. The small Schaumburg, Illinois-based team focuses on IT strategy consulting, ERP consulting and SI, custom software development, digital strategy, and more.
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57$5,000+250 - 999 employeesChicago, ILApp development company CodingCops was established in 2010. Located in Chicago, Illinois, their midsize team focuses on Mobile App Development, Blockchain, UX/UI Design, IT staff augmentation, and more.Read More
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58$10,000+250 - 999 employeesChicago, ILProgrammers - AI, Data & Software is a midsize artificial intelligence company based in Chicago, Illinois. They offer Artificial Intelligence, BI & big data consulting & SI, Custom Software Development, Generative AI, and more and were founded in 1990.Read More
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59$10,000+50 - 249 employeesOakbrook Terrace, ILBased in , , UTECH is a software development company. The midsize team provides custom software development, IT strategy consulting, search engine optimization, web development, and more and was founded in 2016.Read More
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60$5,000+10 - 49 employeesChicago, ILRead More
Mercova Media LLC is a Chicago-based digital marketing agency founded in 2015. Their team of approximately 3 employees serves clients of all sizes. They're seasoned in web and mobile app development, but they also handle custom software and social media marketing.
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Orangetheory Fitness (International Franchise)Industries
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