Top 100 Software Development Companies in Illinois
The Best of August 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 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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271$1,000+10 - 49 employeesSkokie, ILWebkrafterz is a custom software development company launched in 2014. The company provides Custom Software Development and Web Development, and is small.Read More
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272$10,000+50 - 249 employeesChicago, ILMCD Partners is a Digital Strategy company. Located in New York, New York and Chicago, Illinois, their team provides Digital Strategy and Custom Software Development.Read More
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273Undisclosed2 - 9 employeesBloomington, ILSmall software development firm Trinitiii, is in Bloomington, Illinois. Their services include Custom Software Development and Cybersecurity.Read More
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274Undisclosed10 - 49 employeesPeoria, ILStellar Systems, Inc., a software development company, was launched in 1985. The team specializes in Custom Software Development and Mobile App Development.Read More
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275$1,000+2 - 9 employeesJoliet, ILBasarada, a website development company, was launched in 2023. The team provides Web Development and Custom Software Development.Read More
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276$1,000+10 - 49 employeesBurr Ridge, ILCreative Mantra is a cloud consulting & SI company. They provide cloud consulting & SI and Custom Software Development and are based in Mumbai, India and Burr Ridge, Illinois.Read More
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277$5,000+50 - 249 employeesChicago, ILMidsize custom software development company AppMe Solutions, is in Chicago, Illinois. Their services include Custom Software Development and Content Marketing.Read More
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278$10,000+50 - 249 employeesChicago, ILFounded in 2013, Civis Analytics is a big data analytics company. Their team specializes in BI & big data consulting & SI and Custom Software Development.Read More
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279Undisclosed50 - 249 employeesLisle, ILLaunched in 2018, Optivent Group Inc. Is a custom software development company. The team focuses on Custom Software Development and cloud consulting & SI.Read More
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280Undisclosed50 - 249 employeesBloomington, ILBased in Bloomington, Illinois, GENINVO is a midsize cloud consulting & SI company. The team provides cloud consulting & SI and UX/UI Design.Read More
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281Undisclosed50 - 249 employeesOak Brook, ILGeneca is an user experience agency in Oak Brook, Illinois. They specialize in UX/UI Design and IT strategy consulting and were founded in 1998.Read More
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282$10,000+10 - 49 employeesChicago, ILRead More
NorthBuilt Software Development is a mobile app development firm. Their small team is based in Saint Paul, Minnesota; Dallas, Texas; Minneapolis, Minnesota and Columbus, Ohio. Their services include Mobile App Development, Custom Software Development, Application Management & Support, Low/No Code Development, and more. The company was launched in 2020.
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ACE American Cutting EdgeIndustries
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283$100,000+50 - 249 employeesVernon Hills, ILRhonda Software is a Vernon Hills, Illinois-based software development company. Founded in 1995, the team specializes in Custom Software Development and IoT development.Read More
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284$5,000+2 - 9 employeesOak Park, ILBinary Consulting & Software Solutions, Inc. Is a custom software development firm. They were established in 2000 and specialize in Custom Software Development and Mobile App Development.Read More
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285$25,000+2 - 9 employeesChicago, ILRead More
Software development firm K-Optional Software, LLC is located in Austin, Texas; New York, New York and Chicago, Illinois. The small company was founded in 2018. Their team provides custom software development, mobile app development, api development, and IoT development.
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286$50,000+10 - 49 employeesChicago, ILISpectra is a web development company. Established in 2016, the small agency is in Riyadh, Saudi Arabia; Amman, Jordan; Dubai, United Arab Emirates and Seef, Bahrain. Their team specializes in Web Development, Mobile App Development, Custom Software Development, UX/UI Design, and more.Read More
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GIZIndustries
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287$1,000+10 - 49 employeesChicago, ILAppigma is an UX agency founded in 2024. The agency offers UX/UI Design, Custom Software Development, Mobile App Development, E-Commerce Development, and more and has a small team. The agency is headquartered in Glendale, California and Chicago, Illinois.Read More
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288$250,000+250 - 999 employeesChicago, ILApp development firm Devbridge is in Chicago, Illinois and Kaunas, Lithuania. Established in 2008, the team specializes in Mobile App Development and UX/UI Design.Read More
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GraingerIndustries
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289$10,000+50 - 249 employeesChicago, ILRead More
Kodexo Labs, an AI development company, is in Austin, Texas; London, England; Karachi, Pakistan and San Francisco, California. Founded in 2021, the midsize team specializes in Artificial Intelligence, Custom Software Development, Mobile App Development, AI Agents, and more.
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Diesel Laptops (Inc. 5000 — Fleet Diagnostics) Extensiv ($130M+ Funded, Inc. 5000 — 3PL Warehouse Management) IFPG (#1 Franchise Broker Organization, North America) Teacher AI ($5M+ First-Year Revenue — AI Language Platform)Industries
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290$25,000+250 - 999 employeesOak Brook, ILSenecaGlobal is a custom software development firm. They are based in Oak Brook, Illinois; Hyderabad, India and Nashville, Tennessee and have a midsize team. The firm specializes in Custom Software Development, Enterprise App Modernization, Artificial Intelligence, AI Consulting, and more.Read More
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291$5,000+50 - 249 employeesChicago, ILIn New Delhi, India; Oakville, Canada and Chicago, Illinois, StudioKrew is an application development company. They specialize in Mobile App Development, Custom Software Development, AR/VR development, UX/UI Design, and more and were established in 2013.Read More
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292Undisclosed10 - 49 employeesSwansea, ILDino Consulting is a software development firm located in Swansea, Illinois. They provide Custom Software Development and Enterprise App Modernization and were founded in 2014.Read More
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293Undisclosed10 - 49 employeesDowners Grove, ILAlert IT Solutions is a small IT strategy consulting company launched in 1994. Their team provides IT strategy consulting and IT staff augmentation.Read More
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294Undisclosed10 - 49 employeesChicago, ILThe Plum Tree Group, a PPC agency, is based in Chicago, Illinois. The team focuses on Pay Per Click and Custom Software Development.Read More
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295Undisclosed10 - 49 employeesNiles, ILBased in Niles, Illinois, Bluebris Systems, Inc. Is an IT strategy consulting company. Their services include IT strategy consulting and IT managed services.Read More
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296Undisclosed10 - 49 employeesChicago, ILDraftbit is a mobile application development company based in Chicago, Illinois. Their services include Mobile App Development and UX/UI Design.Read More
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297Undisclosed10 - 49 employeesChicago, ILEstablished in 2016, Incubator is a Cybersecurity company. The team provides Cybersecurity and Custom Software Development.Read More
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298Undisclosed2 - 9 employeesChicago, ILCustom software development firm Writenow Agency (pty) LTD was launched in 2010. The company offers Custom Software Development and Web Development, and is small.Read More
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299Undisclosed50 - 249 employeesChicago, ILMagentoecommerce is an e-commerce development firm in Chicago, Illinois. Launched in 2008, the team focuses on E-Commerce Development and Web Development.Read More
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300$5,000+2 - 9 employeesChicago, ILMotiff Global Digital Agency, a small user experience design agency, is located in Chicago, Illinois. Their services include UX/UI Design and Custom Software Development.Read More
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