Top 100 Software Development Companies in Illinois
The Best of October 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 is an application development company. Their small team is based in Irvine, California. Their services include Mobile App Development, Custom Software Development, Artificial Intelligence, and Web Development. The company was established in 2017.Read More
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$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures is an application development company. Their small team is based in Irvine, California. Their services include Mobile App Development, Custom Software Development, Artificial Intelligence, and Web Development. The company was established in 2017.Read More
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331$10,000+10 - 49 employeesChicago, ILRead More
ADHD Interactive is a web development firm headquartered in Poznań, Poland. The firm focuses on web development, mobile app development, ux/ui design, digital strategy, and more and has a small team.The firm was established in 2014.
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Johnson & JohnsonIndustries
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332$1,000+2 - 9 employeesChicago, ILAdminix is a software development firm headquartered in Chicago, Illinois and Vyshhorod, Ukraine. Founded in 2022, the team offers Custom Software Development and API Development.Read More
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333$5,000+50 - 249 employeesDeKalb, ILTruTed is a website development firm located in Amman, Jordan; Mohammadia, Algeria; Riyadh, Saudi Arabia and Riyadh, Saudi Arabia. The company focuses on Web Development, Custom Software Development, Mobile App Development, and UX/UI Design and has a midsize team.The company was founded in 2016.Read More
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334$5,000+2 - 9 employeesChicago, ILMinarvo is a custom software development firm launched in 2025. The small team offers Custom Software Development and Web Development.Read More
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335$25,000+250 - 999 employeesChicago, ILArmakuni is an AI development company. Launched in 2012, the team specializes in Artificial Intelligence, AI Consulting, Custom Software Development, cloud consulting & SI, and more. Their midsize agency is headquartered in St. Cloud, Florida; London, England; Austin, Texas and Boston, Massachusetts.Read More
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336$1,000+10 - 49 employeesGlenview, ILSmall SEO services firm Simple SEO Group, is in Glenview, Illinois. The team focuses on Search Engine Optimization and Pay Per Click.Read More
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337Undisclosed2 - 9 employeesWest Chicago, ILThe Sky Floor is a software development company and website development company. Their small team is in West Chicago, Illinois. Their services include Custom Software Development and Web Development.Read More
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338UndisclosedFreelancer employeesWheaton, ILDanielmyer.com is a custom software development company in Wheaton, Illinois. They specialize in Custom Software Development and UX/UI Design and were founded in 2000.Read More
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339$1,000+2 - 9 employeesChicago, ILIn Chicago, Illinois, Cynergy Studios is a web design company. The small agency was launched in 2024. Their services include Web Design, UX/UI Design, Custom Software Development, Web Development, and more.Read More
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340Undisclosed2 - 9 employeesElk Grove Village, ILAI company DVS AUTOMATION SOLUTIONS LLC is in Elk Grove Village, Illinois. The small team focuses on Artificial Intelligence, AI Agents, Custom Software Development, AI Consulting, and more and was founded in 2026.Read More
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341Undisclosed50 - 249 employeesArlington Heights, ILTechWerks is a Corporate Training & Coaching company. In Arlington Heights, Illinois, their team provides Corporate Training & Coaching and Business Consulting.Read More
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342Undisclosed50 - 249 employeesSchaumburg, ILAgeatia Global Solutions is a Robotics Process Automation company. The Schaumburg, Illinois-based agency provides Robotics Process Automation and IT staff augmentation.Read More
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343Undisclosed50 - 249 employeesNaperville, ILEnnVee is a CRM consulting and SI company. The team specializes in CRM consulting and SI and ERP consulting and SI and is headquartered in Naperville, Illinois.Read More
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344$5,000+50 - 249 employeesChicago, ILWappnet Systems Pvt. Ltd. Is a custom software development company. Established in 2018, the team offers Custom Software Development, Artificial Intelligence, Enterprise App Modernization, IT staff augmentation, and more. Their midsize company is headquartered in Ahmedabad, India; Dubai, United Arab Emirates; Chicago, Illinois and Brampton, Canada.Read More
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345$1,000+2 - 9 employeesBloomington, ILClikIT is a web design agency. The Bloomington, Illinois-based agency was launched in 2017. Their team focuses on Web Design and Web Development.Read More
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346UndisclosedFreelancer employeesSpringfield, ILFlat Cap, LLC, an IT strategy consulting company, is headquartered in Springfield, Illinois. Their services include IT strategy consulting and other IT consulting and SI.Read More
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347Undisclosed2 - 9 employeesChicago, ILSouthside CHI Solutions is a cloud consulting & SI company. The small Chicago, Illinois-based team focuses on cloud consulting & SI and Cybersecurity. The company was founded in 2023.Read More
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348Undisclosed250 - 999 employeesChicago, ILApplication development company Trango Tech was founded in 2003. Their midsize team is based in San Jose, California; Dubai, United Arab Emirates; Riyadh, Saudi Arabia and Salt Lake City, Utah. Their services include Mobile App Development, Custom Software Development, Web Development, E-Commerce Development, and more.Read More
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349$10,000+50 - 249 employeesChicago, ILPhenomenon Studio, an user experience design agency, was established in 2019. Located in Dover, Delaware; Chicago, Illinois; New York, New York and Los Angeles, California, their midsize team offers UX/UI Design, Web Development, Custom Software Development, Branding, and more.Read More
Clients
Wisdom iolo/RealDefense One Text ArtisanIndustries
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350$10,000+250 - 999 employeesChicago, ILSoftura is a midsize Farmington Hills, Michigan-based Application Management & Support company. Their services include Application Management & Support and Enterprise App Modernization.Read More
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351Undisclosed10 - 49 employeesDowners Grove, ILFounded in 1995, Hegemony Consulting Group is a software development company. The agency provides Custom Software Development and BI & big data consulting & SI, and is small.Read More
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352$25,000+250 - 999 employeesChicago, ILAI firm HatchWorks AI was launched in 2016. They are based in Atlanta, Georgia; Chicago, Illinois; San José, Costa Rica and Medellín, Colombia and have a midsize team. HatchWorks AI focuses on Artificial Intelligence, AI Consulting, Custom Software Development, and Generative AI.Read More
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AT&TIndustries
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353$5,000+10 - 49 employeesChicago, ILAnchorStackTech, a web development firm, is located in Chicago, Illinois. Established in 2026, the team specializes in Web Development and Mobile App Development.Read More
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354Undisclosed10 - 49 employeesPeoria, ILONEFIRE, Inc. Is an AR/VR development company. In Peoria, Illinois, their team offers AR/VR development and Social Media Marketing.Read More
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355Undisclosed10 - 49 employeesSkokie, ILWizspeed is a social media marketing company. The Skokie, Illinois-based company specializes in Social Media Marketing and Email Marketing.Read More
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356$1,000+2 - 9 employeesChicago, ILInfinex Infotech, an app development firm, was launched in 2026. The company offers Mobile App Development and Web Development, and is small.Read More
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357Undisclosed10 - 49 employeesItasca, ILIConnect Technologies is a custom software development firm. The Itasca, Illinois-based agency was founded in 2007. Their services include Custom Software Development and Mobile App Development.Read More
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358Undisclosed250 - 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.
Clients
VontoIndustries
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359$5,000+2 - 9 employeesLa Grange, ILCapitis Media is an Advertising company. Launched in 2010, the firm is located in La Grange, Illinois. Their services include Advertising and Social Media Marketing.Read More
Industries
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360Undisclosed2 - 9 employeesNaperville, ILNaper Solutions, Inc. Is an Email Marketing company established in 1997. In Naperville, Illinois, the team provides Email Marketing and Search Engine Optimization.Read More
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