Top 70 Cybersecurity Consulting Services in Illinois
The Best of April 2026Looking 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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1$5,000+10 - 49 employeesLockport, ILBased in Lockport, Illinois; Chicago, Illinois and Milwaukee, Wisconsin, Andromeda is a small IT managed services company. They provide IT managed services, cloud consulting & SI, and Cybersecurity and were launched in 1994.Read More
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2$5,000+50 - 249 employeesChicago, ILFounded in 2000, EMPIST is a midsize IT managed services company based in Chicago, Illinois; Phoenix, Arizona and Athina, Greece. Their services include IT managed services, IT strategy consulting, Cybersecurity, and cloud consulting & SI.Read More
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3$5,000+10 - 49 employeesPark Ridge, ILRead More
Founded in 2009, XL.net is an IT managed services company based in Park Ridge, Ill. Their team primarily works with small businesses from the nonprofit, manufacturing, and financial services industries.
Clients
D/C Export & Domestic Packing, Inc.Industries
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4$1,000+10 - 49 employeesChicago, ILIT strategy consulting company SkyView Technology Inc was founded in 2002. Based in Charlotte, North Carolina; Charleston, South Carolina; Chicago, Illinois and Chicago, Illinois, their small team focuses on IT strategy consulting, IT managed services, and Cybersecurity.Read More
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5$5,000+2 - 9 employeesBloomingdale, ILRead More
TechVoo is a cloud consulting & SI company. Their small team is headquartered in Elk Grove, Illinois. Their services include cloud consulting & SI, IT managed services, cybersecurity, web development, and more. The company was founded in 2007.
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6$1,000+2 - 9 employeesChicago, ILProdigyTeks, Inc. Is a Cybersecurity company headquartered in Chicago, Illinois. The firm offers Cybersecurity, IT managed services, and IT strategy consulting and has a small team.The firm was launched in 2013.Read More
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7$1,000+10 - 49 employeesChicago, ILAdvancedit is a cybersecurity company. Their small team is located in Chicago, IL, USA, Illinois. Their services include cybersecurity. The firm was launched in 2013.Read More
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The AntiCrueltyIndustries
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8$1,000+10 - 49 employeesChicago, ILRead More
Agility Network Services, Inc. Is an IT managed services company. The small team is based in Chicago, Illinois and Wilmette, Illinois. Their services include IT managed services, cloud consulting & SI, Cybersecurity, IT strategy consulting, and more.
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9$1,000+10 - 49 employeesGlen Ellyn, ILGenuity IT, an IT managed services company, was founded in 2017. Headquartered in Glen Ellyn, Illinois, their small team offers IT managed services, cybersecurity, and IT strategy consulting.Read More
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10Undisclosed50 - 249 employeesSchaumburg, IL7 Layer Solutions Inc, a Cybersecurity and IT managed services company, focus on Cybersecurity and IT managed services. They were founded in 2010.Read More
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11Undisclosed10 - 49 employeesCollinsville, ILComputerease is a small IT strategy consulting company established in 1984. Their services include IT strategy consulting and Cybersecurity.Read More
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12$5,000+10 - 49 employeesElgin, ILCTI Technology is a Cybersecurity and IT managed services company. Established in 2004, the company is headquartered in Elgin, Illinois. Their team focuses on Cybersecurity and IT managed services.Read More
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13Undisclosed250 - 999 employeesChicago, ILNetrix LLC, an IT strategy consulting company, was launched in 1989. The team provides IT strategy consulting and cloud consulting & SI and is located in Chicago, Illinois.Read More
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14Undisclosed2 - 9 employeesChicago, ILQuantum Vigilance Cybersecurity Consulting is a Cybersecurity company. Their team is in Chicago, Illinois. The agency offers Cybersecurity and Corporate Training & Coaching.Read More
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15Undisclosed50 - 249 employeesBolingbrook, ILITRegulators, an IT strategy consulting company, was founded in 2007. The team focuses on IT strategy consulting and cloud consulting & SI.Read More
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16$25,000+10 - 49 employeesChicago, ILLaunched in 2023, ApolloGuard is a Cybersecurity company. Their services include Cybersecurity.Read More
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17$5,000+10 - 49 employeesChicago, ILDatastrive is a Cybersecurity and IT managed services company launched in 2003. The team provides Cybersecurity and IT managed services and is in Chicago, Illinois.Read More
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18$5,000+10 - 49 employeesSchaumburg, ILEstablished in 1994, Temple-IT is a Cybersecurity company. The team offers Cybersecurity and IT managed services.Read More
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19Undisclosed10 - 49 employeesDes Plaines, ILSpot Migration Co is a Cybersecurity company. The team offers Cybersecurity and IT managed services and is headquartered in Des Plaines, Illinois.Read More
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20$1,000+50 - 249 employeesElk Grove Village, ILIn Elk Grove Village, Illinois and McHenry, Illinois, Porte Brown LLC is a midsize Accounting company. Their services include Accounting and cloud consulting & SI.Read More
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21Undisclosed50 - 249 employeesOak Brook, ILStrategic Solutions, Inc., a midsize Cybersecurity and IT managed services company, is in Oak Brook, Illinois. Their services include Cybersecurity and IT managed services.Read More
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22Undisclosed50 - 249 employeesNorthbrook, ILOnward Technologies, Inc. Is a Cybersecurity company. They were founded in 1985, and their services include Cybersecurity and IT managed services.Read More
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23Undisclosed10 - 49 employeesChicago, ILHoplon InfoSec, a Cybersecurity company, was established in 2018. The team provides Cybersecurity and IT managed services.Read More
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24$1,000+10 - 49 employeesChicago, ILAccuSights is a Cybersecurity company launched in 2025. The team offers Cybersecurity and Compliance Consulting.Read More
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25$5,000+50 - 249 employeesChicago, ILCrossRealms International is an IT managed services company. Launched in 2008, the team focuses on IT managed services and IT strategy consulting.Read More
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26$10,000+50 - 249 employeesChicago, ILTrekShield is a midsize Chicago, Illinois-based Cybersecurity company. The team focuses on Cybersecurity and Blockchain.Read More
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27$5,000+2 - 9 employeesChicago, ILLynxgard Industries is a Cybersecurity company. Their team is headquartered in Chicago, Illinois and provides Cybersecurity and IT strategy consulting.Read More
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28$5,000+10 - 49 employeesBurr Ridge, ILThe Isidore Group, an IT managed services company, is located in Burr Ridge, Illinois and Chicago, Illinois. They provide IT managed services and Cybersecurity and were launched in 2014.Read More
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29Undisclosed10 - 49 employeesChicago, ILTeamWerks is a Cybersecurity company. Launched in 1999, their team provides Cybersecurity.Read More
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30$10,000+2 - 9 employeesBatavia, ILRead More
Founded in 2007, Zadro Web is a small SEO company. Their team offers Search Engine Optimization, Web Development, IT managed services, and Cybersecurity. The firm is headquartered in Batavia, Illinois.
Clients
Assemblies Unlimited, Inc.Industries
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