Top 100 IT Services Companies in Illinois
The Best of December 2025Looking for a top IT services company in Illinois?
For your company to grow, it is essential to choose the best technology. Hiring an innovative IT services provider is the easiest way to ensure that you are making the best use of technology, increasing sales, and staying one step ahead of the competition.
To assist you in your search for a partner, we’ve compiled this list of the top IT consultants in Illinois. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Illinois IT Companies
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$10,000+50 - 249 employeesL'viv, UkraineRead More
Founded in 2019, Uinno is an artificial intelligence firm. The midsize team specializes in Artificial Intelligence, Custom Software Development, Low/No Code Development, UX/UI Design, and more. The company is based in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine.
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$1,000+50 - 249 employeesNaperville, ILRead More
BetterWorld Technology is a midsize IT managed services company launched in 2003. Their services include IT managed services, Cybersecurity, IT strategy consulting, and Compliance Consulting. The company is headquartered in Naperville, Illinois; Naperville, Illinois; Winter Park, Florida and Denver, Colorado.
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631Undisclosed250 - 999 employeesDeer Park, ILModak is a business intelligence company. They are headquartered in Deer Park, Illinois, and their services include BI & big data consulting & SI.Read More
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632Undisclosed10 - 49 employeesChicago, ILWizaly, a business intelligence company, was launched in 2014. In Chicago, Illinois, the team provides BI & big data consulting & SI.Read More
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633Undisclosed50 - 249 employeesArlington Heights, ILTechTiera Corporation, a midsize IT strategy consulting company, is headquartered in Arlington Heights, Illinois. The team provides IT strategy consulting and BI & big data consulting & SI.Read More
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634Undisclosed10 - 49 employeesLincolnshire, ILBAI Security is an IT strategy consulting company established in 2007. Their services include IT strategy consulting and Compliance Consulting.Read More
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635Undisclosed10 - 49 employeesDeerfield, ILNullafi, a small IT strategy consulting company, is located in Deerfield, Illinois. The team specializes in IT strategy consulting.Read More
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636Undisclosed50 - 249 employeesNaperville, ILNetra Technologies is a Naperville, Illinois-based business intelligence company. Founded in 1998, the team offers BI & big data consulting & SI.Read More
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637Undisclosed50 - 249 employeesChicago, ILPrescient is a midsize Cybersecurity company in Chicago, Illinois and Arlington, Virginia. Their services include Cybersecurity.Read More
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638Undisclosed2 - 9 employeesChicago, ILLaSalle Consulting Partners, Inc. Is a Cybersecurity company. They are headquartered in Chicago, Illinois. Their team specializes in Cybersecurity.Read More
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639Undisclosed2 - 9 employeesDes Plaines, ILSmall Cybersecurity company RAM Communications, Inc., is in Des Plaines, Illinois. The team specializes in Cybersecurity.Read More
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640Undisclosed10 - 49 employeesElgin, ILCybersecurity and IT managed services company Future Link IT is based in Elgin, Illinois. They provide Cybersecurity and IT managed services.Read More
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641Undisclosed2 - 9 employeesTinley Park, ILChicagoland Cloud, LLC is a Cybersecurity company. Located in Tinley Park, Illinois, the agency was founded in 2011. Their services include Cybersecurity.Read More
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642Undisclosed50 - 249 employeesChicago, ILOnShore Security, a Cybersecurity company, was founded in 1991. In Chicago, Illinois, the team focuses on Cybersecurity.Read More
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643Undisclosed2 - 9 employeesChicago, ILMSMNET Security, a small Cybersecurity company, is located in Chicago, Illinois. Their services include Cybersecurity.Read More
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644Undisclosed2 - 9 employeesMattoon, ILTEAM ITS, LLC is a Mattoon, Illinois-based Cybersecurity and IT managed services company. Launched in 2016, the team provides Cybersecurity and IT managed services.Read More
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645Undisclosed2 - 9 employeesSparta, ILCybersecurity and IT managed services company Complete Technology Solutions LLC focuses on Cybersecurity and IT managed services. They are based in Sparta, Illinois.Read More
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646Undisclosed10 - 49 employeesChampaign, ILJano Technologies, a small IT strategy consulting and Cybersecurity company, is headquartered in Champaign, Illinois. The team specializes in IT strategy consulting and Cybersecurity.Read More
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647$5,000+Freelancer employeesOak Lawn, ILNightsong Cloud & DevOps LLC is a cloud consulting & SI company launched in 2025. The team provides cloud consulting & SI and Cybersecurity.Read More
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648Undisclosed10 - 49 employeesOak Park, ILAnvilo Inc. Is a software development firm. Established in 2015, the team offers Custom Software Development and unified communications consulting & SI.Read More
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649Undisclosed2 - 9 employeesChicago, ILIron Horse Management Consultants is a small Business Consulting company in Chicago, Illinois. Their services include Business Consulting and unified communications consulting & SI.Read More
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650Undisclosed2 - 9 employeesSpringfield, ILKB Computer Consulting, Inc. Is an IT managed services company. The team focuses on IT managed services and Business Consulting and is headquartered in Springfield, Illinois.Read More
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651Undisclosed2 - 9 employeesPeoria, ILFounded in 2015, Isaana Tax LLC is a small Peoria, Illinois-based Accounting company. Their team focuses on Accounting and cloud consulting & SI.Read More
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652Undisclosed2 - 9 employeesBannockburn, ILLocated in Bannockburn, Illinois, The WDG Agency is a Marketing Strategy company. Their services include Marketing Strategy and Other Marketing.Read More
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653Undisclosed2 - 9 employeesChicago, ILTeambees Corp, a custom software development company, was launched in 2020. The team offers Custom Software Development and UX/UI Design and is in Chicago, Illinois and Gurugram, India.Read More
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654Undisclosed2 - 9 employeesChicago, ILTrue Blue Creatives is a branding agency. Located in Chicago, Illinois, the company focuses on Branding and Social Media Marketing.Read More
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655$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.
Clients
ACE American Cutting EdgeIndustries
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656$10,000+50 - 249 employeesNaperville, ILPace Systems, Inc. Is a branding firm founded in 1983. The agency offers Branding and Web Design.Read More
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657Undisclosed10 - 49 employeesSchaumburg, ILAdroitco, Inc is an IT strategy consulting company located in Trenton, New Jersey and Schaumburg, Illinois. The team provides IT strategy consulting and cloud consulting & SI.Read More
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658Undisclosed10 - 49 employeesChicago, ILXcelocloud Inc. Is an IT strategy consulting company. Their small team is based in Irvine, California and Chicago, Illinois and focuses on IT strategy consulting. The company was founded in 2017.Read More
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659Undisclosed50 - 249 employeesChicago, ILKrasan Consulting Services is an UX design agency. The firm is headquartered in Chicago, Illinois. Their team provides UX/UI Design and Web Development.Read More
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660$1,000+2 - 9 employeesChicago, ILLouie inc is an Email Marketing company. Their team is headquartered in Chicago, Illinois. The agency specializes in Email Marketing and Web Design.Read More
Industries
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Schedule ConsultationMost Reviewed IT Services Company in Illinois
Check out an IT Services Company in Illinois with the most new reviews in the past 12 months.
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