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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211$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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212$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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213$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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214$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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215Undisclosed250 - 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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216$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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217$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
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SIGNAL IDUNA Orange KORE Group Holdings, Inc. ALD AutomativeIndustries
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218$25,000+50 - 249 employeesChicago, ILDeepLearnHQ is an AI Consulting company based in Chicago, Illinois and Toronto, Canada. Founded in 2023, the midsize team offers AI Consulting, Mobile App Development, Artificial Intelligence, AI Agents, and more.Read More
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219$25,000+10 - 49 employeesSt. Charles, ILRead More
mDevelopers is a software house that launched in 2010. Their team is headquartered in Warsaw and has offices in Czestochowa, Poland. They offer web development, UX/UI design, and custom software development.
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BMWIndustries
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220Undisclosed2 - 9 employeesAurora, ILFounded in 1995, RemoteLink, Inc is a software development company and Marketing Strategy company. Their services include Custom Software Development and Marketing Strategy.Read More
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221Undisclosed2 - 9 employeesChicago, ILOscillas Technologies, Inc. Is a Chicago, Illinois-based big data company and custom software development firm. Their services include BI & big data consulting & SI and Custom Software Development.Read More
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222$1,000+10 - 49 employeesWood Dale, ILTruTransit Solutions is an artificial intelligence firm based in Wood Dale, Illinois. The small team provides Artificial Intelligence, Custom Software Development, Web Development, Mobile App Development, and more. The agency was founded in 2022.Read More
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223$1,000+10 - 49 employeesChicago, ILCODEnt Pro is a web design agency. They specialize in Web Design and CRM consulting and SI and are headquartered in Chicago, Illinois.Read More
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224$100,000+10 - 49 employeesNaperville, ILFounded in 2018, Flexday Solutions LLC is a small Naperville, Illinois-based IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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225$1,000+10 - 49 employeesGlenview, ILArystech is a cloud consulting & SI company launched in 2022. The firm offers cloud consulting & SI and IT managed services.Read More
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226$1,000+10 - 49 employeesChicago, ILE Orbit Solutions INC., a branding company, was established in 2017. The team specializes in Branding and Search Engine Optimization and is in Chicago, Illinois.Read More
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227$5,000+10 - 49 employeesLibertyville, ILThinkNChange, a Back Office Outsourcing company, is in Libertyville, Illinois and Kingston, Jamaica. They focus on Back Office Outsourcing and Cybersecurity.Read More
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228Undisclosed10 - 49 employeesDes Plaines, ILMEGATECSOL Inc. , a SEO services firm, specializes in Search Engine Optimization and UX/UI Design. The firm is in Des Plaines, Illinois.Read More
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229$1,000+10 - 49 employeesSchaumburg, ILHeadquartered in Schaumburg, Illinois, Logo Designs Expert is a small branding firm. The team specializes in Branding and Web Design.Read More
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230$5,000+10 - 49 employeesChicago, ILEstablished in 2018, Expert Website Solutions is a small e-commerce development company. Their team provides E-Commerce Development and Web Development.Read More
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231Undisclosed50 - 249 employeesChicago, ILHerzum is a software development firm launched in 2000. Their services include Custom Software Development and Mobile App Development.Read More
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232$10,000+250 - 999 employeesBatavia, ILSDLC Corp is an AI development company. The Dubai, United Arab Emirates-based agency was launched in 2015. The midsize team focuses on Artificial Intelligence, Web Development, ERP consulting and SI, Custom Software Development, and more.Read More
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233$25,000+10 - 49 employeesNaperville, ILWorking Excellence is a business intelligence company launched in 2008. Their small team is in Reston, Virginia and Naperville, Illinois. The firm focuses on BI & big data consulting & SI, Artificial Intelligence, AI Consulting, Custom Software Development, and more.Read More
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234$25,000+2 - 9 employeesNaperville, ILDeepfai Inc. Is an e-commerce development firm. Established in 2021, the team focuses on E-Commerce Development and Artificial Intelligence. The company is headquartered in Naperville, Illinois.Read More
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235$5,000+2 - 9 employeesChicago, ILWSC, an IT managed services company, offers IT managed services and Enterprise App Modernization. The company is based in Chicago, Illinois.Read More
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236Undisclosed2 - 9 employeesChicago, ILLightway Solutions is an IT managed services company. Established in 2023, their team offers IT managed services and Custom Software Development.Read More
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237$1,000+2 - 9 employeesChicago, ILMJ Ventures is a Robotics Process Automation company founded in 2023. Located in Chicago, Illinois, the team specializes in Robotics Process Automation and AI Consulting.Read More
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238$1,000+2 - 9 employeesBarrington, ILBased in Barrington, Illinois, SD8. Software Development is an app development company. The team specializes in Mobile App Development and Web Development.Read More
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239$1,000+2 - 9 employeesSkokie, ILRad Sync Agency is an Advertising company. They are located in Skokie, Illinois and have small team. They provide Advertising and Custom Software Development.Read More
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240$5,000+10 - 49 employeesNorthbrook, ILWeb development firm DealAmaze Technologies was launched in 2018. Their small team is in Hyderabad, India and Northbrook, Illinois. Their services include Web Development, Mobile App Development, E-Commerce Development, Custom Software Development, and more.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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