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.
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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391$5,000+2 - 9 employeesChicago, ILLaunched in 1987, Manning Digital is a small Chicago, Illinois-based user experience agency. Their team provides UX/UI Design and Web Development.Read More
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392Undisclosed2 - 9 employeesChicago, ILHeadquartered in Chicago, Illinois, Sea Hawks Solution is a call center service. Founded in 2018, the team provides Call Center Services and Advertising.Read More
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393$50,000+10 - 49 employeesChicago, ILAtomic Build is a software development company. Their team is headquartered in Toronto, Canada and New York, New York and provides Custom Software Development and Mobile App Development.Read More
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394$75,000+1,000 - 9,999 employeesPalatine, ILLaunched in 2000, NashTech is a custom software development firm. They are headquartered in London, England; Palatine, Illinois; North Balgowlah, Australia and Thành phố Hồ Chí Minh, Vietnam and have a large team. The firm provides Custom Software Development, cloud consulting & SI, Generative AI, Digital Engineering, and more.Read More
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395$100,000+250 - 999 employeesChicago, ILObjective Group Inc - OGI is a custom software development firm. Their midsize team is located in Chicago, Illinois; Sao Paulo, Brazil; Toronto, Canada and Porto, Portugal. The company focuses on Custom Software Development, Enterprise App Modernization, IT managed services, IT strategy consulting, and more.Read More
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LiferayIndustries
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396$5,000+1,000 - 9,999 employeesChicago, ILInsight Global is a custom software development company. The Atlanta, Georgia-based company offers Custom Software Development and Artificial Intelligence.Read More
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397$25,000+1,000 - 9,999 employeesChicago, ILRead More
ELEKS is a custom software development firm established in 1991. Their large team is in Tallinn, Estonia; L'viv, Ukraine; Berlin, Germany and Rzeszów, Poland. Their services include Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, Cybersecurity, and more.
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BNY Mellon DPD Acino DRAXIndustries
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398Undisclosed250 - 999 employeesNaperville, ILCoreFlex Solutions Inc. Is a CRM consulting and SI company based in Naperville, Illinois and पुणे, India. Launched in 2013, the team focuses on CRM consulting and SI and UX/UI Design.Read More
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399$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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400$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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401$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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402Undisclosed250 - 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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403Undisclosed50 - 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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404Undisclosed1,000 - 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
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Picciano and ScahillIndustries
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405$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
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DeloitteIndustries
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406Undisclosed250 - 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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