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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391$1,000+50 - 249 employeesChicago, ILRead More
Idea2App, a custom software development company, is located in San Jose, California and London, United Kingdom. Established in 2020, the midsize team offers custom software development, mobile app development, application management & support, web development, and more.
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392$5,000+50 - 249 employeesChicago, ILApplication development firm Qodestar was established in 2022. They are based in Seattle, Washington; Nashville, Tennessee; New York, New York and Tampa, Florida and have a midsize team. Their services include Mobile App Development, UX/UI Design, Mobile & App Marketing, Product Design, and more.Read More
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393$50,000+50 - 249 employeesChicago, ILKlika is an UX design agency. They are in Las Vegas, Nevada; Chicago, Illinois and Sarajevo, Bosnia and Herzegovina and have a midsize team. Their services include ux/ui design, BI & big data consulting & SI, cloud consulting & SI, custom software development, and more. The company was founded in 2014.Read More
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394Undisclosed250 - 999 employeesOak Brook, ILAspire Systems, an Application Testing company, was launched in 1996. The team focuses on Application Testing and Web Design.Read More
Clients
AppleIndustries
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395Undisclosed50 - 249 employeesChicago, ILIn Chicago, Illinois and Houston, Texas, Quantlab Group is a midsize custom software development firm. The team offers Custom Software Development.Read More
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396Undisclosed1,000 - 9,999 employeesSchaumburg, ILFulcrum Digital is a New York, New York-based artificial intelligence development company. The large team focuses on Artificial Intelligence, AI Consulting, Generative AI, ERP consulting and SI, and more. The agency was launched in 1999.Read More
Clients
Picciano and ScahillIndustries
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397$10,000+250 - 999 employeesLombard, ILMagenic is a software development firm. The company is based in St. Louis Park, Minnesota and San Francisco, California. Their team offers Custom Software Development and Mobile App Development.Read More
Clients
DeloitteIndustries
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398$75,000+1,000 - 9,999 employeesPalatine, ILNashTech is a large software development company. The London, England-based company was established in 2000. Their services include Custom Software Development, cloud consulting & SI, Generative AI, Digital Engineering, and more.Read More
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399Undisclosed250 - 999 employeesChicago, ILMidsize cloud consulting & SI company ComTec Information Systems (IT), is headquartered in Irving, Texas and Chicago, Illinois. The team offers cloud consulting & SI and CRM consulting and SI.Read More
Industries
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Schedule ConsultationMost Reviewed Software Developers in Illinois
Check out a Software Developers in Illinois with the most new reviews in the past 12 months.
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