Top 70 Cybersecurity Consulting Services in Illinois
The Best of December 2025Looking for a top cybersecurity consultant in Illinois?
With their comprehensive approach to security, including vulnerability assessments, penetration testing, and security awareness training, cybersecurity consulting services help businesses identify and address security vulnerabilities before they can be exploited. By collaborating with cybersecurity consultants, businesses can maintain an edge over their competitors by keeping risks to finances and reputation at bay.
To assist you in your search for a partner, we’ve compiled this list of the top cybersecurity consulting firms in Illinois. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Illinois Cybersecurity Consultants
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31$5,000+50 - 249 employeesLombard, ILAll Tech Solutions is an IT managed services company. Based in Lombard, Illinois, the team focuses on IT managed services and Cybersecurity.Read More
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32Undisclosed2 - 9 employeesGurnee, ILIT managed services company IntelliSupport was launched in 2023. Headquartered in Gurnee, Illinois, the team offers IT managed services and IT strategy consulting.Read More
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33$5,000+10 - 49 employeesLibertyville, ILThinkNChange, a Back Office Outsourcing company, is in Libertyville, Illinois and Kingston, Jamaica. They focus on Back Office Outsourcing and Cybersecurity.Read More
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34Undisclosed2 - 9 employeesEvanston, ILNEBULACLOUD is an other IT consulting and SI company founded in 2014. The agency specializes in other IT consulting and SI and IT managed services.Read More
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35$5,000+10 - 49 employeesNaperville, IL2Ops Sp. Z o.o. Is a small cloud consulting & SI company based in Kraków, Poland and Naperville, Illinois. Launched in 2024, the team focuses on cloud consulting & SI, DevOps Managed Services, and Cybersecurity.Read More
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36Undisclosed2 - 9 employeesChicago, ILTalkRisk, a Cybersecurity company, focuses on Cybersecurity. The company is in Chicago, Illinois.Read More
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37Undisclosed10 - 49 employeesCollinsville, ILHeadquartered in Collinsville, Illinois and St. Louis, Missouri, Computerease Group, Inc is a Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
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38Undisclosed10 - 49 employeesWheaton, ILAdvanced Intelligence Engineering, a small Cybersecurity company, is located in Wheaton, Illinois. Their services include Cybersecurity and IT managed services.Read More
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39Undisclosed10 - 49 employeesElgin, ILCTI Technology is a Cybersecurity and IT managed services company. Launched in 2004, the company is located in Elgin, Illinois. Their team offers Cybersecurity and IT managed services.Read More
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40Undisclosed10 - 49 employeesSt. Charles, ILFounded in 2008, RedLegg is a Cybersecurity and IT managed services company. The firm offers Cybersecurity and IT managed services, and is small.Read More
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41Undisclosed2 - 9 employeesMahomet, ILCybersecurity and IT managed services company Bambenek Consulting, LTD was launched in 2011. The firm provides Cybersecurity and IT managed services, and is small.Read More
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42Undisclosed2 - 9 employeesYorkville, ILCybersecurity company CyberGhost Security, LLC is in Yorkville, Illinois. They specialize in Cybersecurity.Read More
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43Undisclosed2 - 9 employeesHinsdale, ILDEADCO LLC, a Cybersecurity and IT managed services company, is based in Hinsdale, Illinois. Launched in 2021, the team provides Cybersecurity and IT managed services.Read More
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44Undisclosed50 - 249 employeesChicago, ILIT Risk Managers LLC, a midsize IT strategy consulting company, is located in Chicago, Illinois. Their services include IT strategy consulting and cloud consulting & SI.Read More
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45Undisclosed10 - 49 employeesSouth Barrington, ILIT strategy consulting company BSSI2 LLC specializes in IT strategy consulting and cloud consulting & SI. They were launched in 2005.Read More
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46Undisclosed2 - 9 employeesChicago, ILSmall IT strategy consulting company Fairway IT Solutions, is in Chicago, Illinois. Their services include IT strategy consulting and cloud consulting & SI.Read More
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47Undisclosed10 - 49 employeesChicago, ILEclipse Telecom is a small answering service in Chicago, Illinois. Their services include Call Center Services and unified communications consulting & SI.Read More
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48Undisclosed10 - 49 employeesSchaumburg, ILInterstate Technologies is a small Schaumburg, Illinois-based IT strategy consulting company. The team provides IT strategy consulting and IT staff augmentation.Read More
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49Undisclosed10 - 49 employeesChicago, ILEstablished in 2016, Incubator is a Cybersecurity company. The team provides Cybersecurity and Custom Software Development.Read More
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50$1,000+2 - 9 employeesEast Peoria, ILAP Technologies is an East Peoria, Illinois-based IT managed services company. Established in 2022, the team specializes in IT managed services and IT strategy consulting.Read More
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51$1,000+2 - 9 employeesChicago, ILFred Lundin CPA LLC is a branding agency. The Chicago, Illinois-based team specializes in Branding and Social Media Marketing.Read More
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52$1,000+2 - 9 employeesGilberts, ILFox Secure IT, an IT strategy consulting company, was founded in 2008. The agency specializes in IT strategy consulting and cloud consulting & SI, and is small.Read More
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53$1,000+2 - 9 employeesChicago, ILCybersecurity company ExpressTek Services is headquartered in Chicago, Illinois. They focus on Cybersecurity and IT managed services and were launched in 2003.Read More
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54Undisclosed2 - 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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55Undisclosed2 - 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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56Undisclosed10 - 49 employeesMokena, ILReachOut Technology is a Cybersecurity company. The small Mokena, Illinois-based team specializes in Cybersecurity and IT managed services. The company was established in 2010.Read More
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57Undisclosed2 - 9 employeesLincoln, ILCommon Sense Security is a Cybersecurity company. The company is based in Lincoln, Illinois. Their services include Cybersecurity.Read More
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58Undisclosed10 - 49 employeesChicago, ILVirtuelle Group is a small IT strategy consulting company. They specialize in IT strategy consulting and Cybersecurity and were launched in 2003.Read More
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59Undisclosed2 - 9 employeesGlenview, ILCXponent is a big data analytics company. They are located in Glenview, Illinois and have small team. They provide BI & big data consulting & SI and Cybersecurity.Read More
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60Undisclosed250 - 999 employeesChicago, ILEstablished in 2010, Guidepost Solutions, a midsize Cybersecurity company, is headquartered in Seattle, Washington and New York, New York. Their team focuses on Cybersecurity.Read More
Industries
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