Top 100 Software Development Companies in Illinois
The Best of March 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, CACustom software development company Kingsmen Digital Ventures is based in Irvine, California. The small team specializes in Custom Software Development, Mobile App Development, UX/UI Design, E-Commerce Development, and more and was launched in 2017.Read More
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$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is an artificial intelligence firm founded in 2001. Their small team is in Medina, Washington and offers Artificial Intelligence, UX/UI Design, AI Consulting, Custom Software Development, and more.Read More
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331Undisclosed2 - 9 employeesMount Prospect, ILObjective Software Systems Inc is a Mount Prospect, Illinois-based IT strategy consulting company. The team specializes in IT strategy consulting and Custom Software Development.Read More
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332Undisclosed2 - 9 employeesDowners Grove, ILSmall custom software development firm O'Neil Communications, Inc., is headquartered in Downers Grove, Illinois. The team focuses on Custom Software Development and Mobile App Development.Read More
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333Undisclosed10 - 49 employeesAlton, ILBall Systems Technologies, a software development firm, is based in Alton, Illinois and Westfield, Indiana. Their services include Custom Software Development.Read More
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334$50,000+1,000 - 9,999 employeesChicago, IL10Pearls is a custom software development company located in Vienna, Virginia; Medellín, Colombia; New York, New York and San Rafael de Escazú, Costa Rica. The large firm was established in 2004. Their services include Custom Software Development, Mobile App Development, Artificial Intelligence, cloud consulting & SI, and more.Read More
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HughesNetIndustries
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335$5,000+50 - 249 employeesNaperville, ILAgami Technologies Pvt Ltd is a SEO agency. The Naperville, Illinois-based agency was launched in 2011. Their services include Search Engine Optimization and Custom Software Development.Read More
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336$5,000+2 - 9 employeesInverness, ILCustom software development firm Radra Solutions was launched in 2007. The small team specializes in Custom Software Development and Search Engine Optimization.Read More
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337Undisclosed2 - 9 employeesArlington Heights, ILCustom software development firm Digitek Development was founded in 1998. The team focuses on Custom Software Development and Mobile App Development and is in Arlington Heights, Illinois.Read More
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338Undisclosed2 - 9 employeesChicago, ILTheSOULwithin, a software development company, was founded in 2003. The agency provides Custom Software Development and Search Engine Optimization.Read More
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339Undisclosed2 - 9 employeesAddison, ILTactical Lighting Systems, Inc. Is a small software development company founded in 2003. Their team offers Custom Software Development and IT managed services.Read More
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340Undisclosed2 - 9 employeesChicago, ILMarket Research company RRDS Chicago is headquartered in Chicago, Illinois. They offer Market Research and BI & big data consulting & SI.Read More
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341$50,000+10 - 49 employeesChicago, ILAplyca is a Chicago, Illinois-based web development company. Established in 2005, the team offers Web Development and E-Commerce Development.Read More
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342$5,000+50 - 249 employeesNaperville, ILGenix Technologies is a website development firm founded in 2010. Their services include Web Development and Custom Software Development.Read More
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343$1,000+50 - 249 employeesChicago, ILEstablished in 2011, UniSoftwares is a SEO services firm. The agency provides Search Engine Optimization and Pay Per Click, and is midsize.Read More
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344$10,000+10 - 49 employeesChicago, ILAltRecipe, a website development company, was launched in 2015. The team specializes in Web Development and Blockchain.Read More
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Vodafone Children's ClubIndustries
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345Undisclosed10 - 49 employeesNaperville, ILFounded in 1996, WEBIT Services is a small IT strategy consulting company headquartered in Naperville, Illinois. Their team focuses on IT strategy consulting and cloud consulting & SI.Read More
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346Undisclosed10 - 49 employeesTinley Park, ILSoftware Tech Enterprises, Inc. Is a small custom software development firm in Tinley Park, Illinois. The team provides Custom Software Development and BI & big data consulting & SI.Read More
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347Undisclosed10 - 49 employeesChicago, ILIn Chicago, Illinois, Vivid Technologies, Inc. Is a custom software development firm. They focus on Custom Software Development and Staffing and were founded in 1994.Read More
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348$5,000+2 - 9 employeesChicago, ILCode By Design is a website development company. Based in West Palm Beach, Florida and New York, New York, the team specializes in Web Development and E-Commerce Development.Read More
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349Undisclosed10 - 49 employeesChicago, ILSoftware development firm Jetpacks! was founded in 2022. The small team offers Custom Software Development and BI & big data consulting & SI.Read More
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350$25,000+50 - 249 employeesChicago, ILTechgropse FZC LLC is an app development firm. The midsize Noida, India-based firm was launched in 2015. Their services include Mobile App Development, Artificial Intelligence, E-Commerce Development, and Custom Software Development.Read More
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351$5,000+1,000 - 9,999 employeesChicago, ILRead More
ExpertsFromIndia is a development company based in San Jose, Calif. They were founded in 2003 and have a team of around 800 employees. They primarily provide custom software development and SEO.
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eBayIndustries
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352Undisclosed2 - 9 employeesChicago, ILFounded in 1983, DCMSoft LLC, a small web design agency, is in Chicago, Illinois. Their services include Web Design and Custom Software Development.Read More
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353Undisclosed2 - 9 employeesChicago, ILData Agile Incorporated is a data analytics company founded in 2016. Their services include BI & big data consulting & SI and Custom Software Development.Read More
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354$50,000+250 - 999 employeesSchaumburg, ILRead More
WEZOM is a custom software development company founded in 1999. The midsize team provides Custom Software Development, IT managed services, Mobile App Development, Artificial Intelligence, and more. The firm is headquartered in Schaumburg, Illinois; Mykolaiv, Ukraine; Kyiv, Ukraine and Kherson, Ukraine.
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AptivIndustries
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355$25,000+1,000 - 9,999 employeesChicago, ILSimform is a cloud consulting & SI company. Founded in 2010, the agency is in Orlando, Florida; Los Angeles, California; Chicago, Illinois and San Francisco, California. The large team specializes in cloud consulting & SI, Artificial Intelligence, Custom Software Development, Enterprise App Modernization, and more.Read More
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RedbullIndustries
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356Undisclosed250 - 999 employeesChicago, ILIn San Francisco, California and New York, New York, Quantcast is a pay per click company. Their services include Pay Per Click and Custom Software Development.Read More
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357$1,000+250 - 999 employeesArlington Heights, ILSoftware development firm Kriyan Infotech is based in Irving, Texas and Ahmedabad, India. The team offers Custom Software Development and Mobile App Development.Read More
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358$50,000+50 - 249 employeesChicago, ILAkurey, a web development firm, is headquartered in San José, Costa Rica; Chicago, Illinois; Nashville, Tennessee and Santa Clara, California. The small firm was established in 2008. Their team offers web development, IT staff augmentation, mobile app development, custom software development, and more.Read More
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VML Indigo Slate Datalitica Ohio's HospiceIndustries
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359Undisclosed250 - 999 employeesChicago, ILRead More
Projekt202 is a software development and marketing company based in Addison, Texas. They were founded in 2003 and have a team of 285 employees. They specialize in custom software development, UX/UI design, and mobile app development to improve their client’s customer and employee experiences.
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VontoIndustries
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360Undisclosed10 - 49 employeesChicago, ILAR/VR development company Fanisko is in Chicago, Illinois. They provide AR/VR development and Blockchain.Read More
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