Top 80 Penetration Testing Companies in Chicago
The Best of December 2025Looking for a top penetration testing company in Chicago?
Having vulnerable security poses a threat to your organization. In an age where data has become some of the most important assets that your company will have, improving security measures is always a must. Penetration testing aims to solve this problem by simulating real-life security breaches without the risk of an actual cyberattack. Also known as ethical hacking, this process helps identify weak spots within your IT network infrastructure by applying methods that real attackers would use.
A penetration testing company can assist you in determining your security vulnerabilities. Doing so will provide you with the information that you need to fortify your cybersecurity. Hiring the right penetration testing company can give you a significant advantage in safekeeping your virtual assets.
To assist you in your search for a partner, we’ve compiled this list of the top penetration testing services in Chicago. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Chicago Penetration Testing Services
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31$1,000+10 - 49 employeesChicago, ILOnRamp Networks is a small IT managed services company based in Chicago, Illinois. Their services include IT managed services and cloud consulting & SI.Read More
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32Undisclosed2 - 9 employeesHillside, ILEstablished in 2015, Secure Compliance Solutions is a small Hillside, Illinois-based Cybersecurity and Compliance Consulting company. Their team focuses on Cybersecurity and Compliance Consulting.Read More
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33Undisclosed10 - 49 employeesChicago, ILLiberty Advisor Group is a Cybersecurity company. The firm is in Chicago, Illinois. Their team focuses on Cybersecurity and Blockchain.Read More
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34Undisclosed250 - 999 employeesChicago, ILConcurrency Inc is a midsize Blockchain company established in 1989. Their services include Blockchain and Artificial Intelligence.Read More
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35Undisclosed250 - 999 employeesChicago, ILRichter LLP is a Business Consulting company launched in 1926. The team specializes in Business Consulting and Accounting.Read More
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36Undisclosed2 - 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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37$1,000+50 - 249 employeesNaperville, ILBetterWorld 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.Read More
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Mother McAuley Liberal Arts High SchoolIndustries
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38Undisclosed10 - 49 employeesChicago, ILUncommonX is a Chicago, Illinois-based Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
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39Undisclosed10 - 49 employeesChicago, ILNorthStar, a business intelligence company, was established in 2006. The team offers BI & big data consulting & SI and Cybersecurity.Read More
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40Undisclosed50 - 249 employeesChicago, ILCyberMaxx is a big data company. Located in Chicago, Illinois, their team offers BI & big data consulting & SI and Cybersecurity.Read More
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41Undisclosed50 - 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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42Undisclosed2 - 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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43$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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44Undisclosed10 - 49 employeesChicago, ILTechnical Paradigm is a SEO company. Their small team is based in Chicago, Illinois. Their team specializes in Search Engine Optimization and Pay Per Click.Read More
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45Undisclosed10 - 49 employeesChicago, ILEstablished in 2016, Incubator is a Cybersecurity company. The team provides Cybersecurity and Custom Software Development.Read More
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46Undisclosed2 - 9 employeesChicago, ILCloudRoads, a cloud consulting & SI company, was founded in 2020. The company offers cloud consulting & SI and Cybersecurity.Read More
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47$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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48Undisclosed2 - 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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49Undisclosed10 - 49 employeesRiverwoods, ILRead More
Computing Technology Solutions is an IT managed services and SEO company. The small Riverwoods, Illinois-based agency was established in 2001. Their team provides IT managed services and search engine optimization.
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50Undisclosed50 - 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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51$5,000+10 - 49 employeesDeerfield, ILRead More
IT Audit Group LLC is a B2B management consulting firm that focuses on IT compliance and cybersecurity. Founded in 2017 and headquartered in Deerfield, Illinois, their team of approximately 1–2 employees primarily serves midmarket clients. Their scope of services encompasses business consulting, cybersecurity, and IT strategy consulting.
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Bold InsightIndustries
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52$5,000+50 - 249 employeesLisle, ILSWK Technologies, Inc. Is an IT managed services company. The company is in East Hanover, New Jersey and Lisle, Illinois. Their team provides IT managed services and IT strategy consulting.Read More
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53Undisclosed50 - 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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54Undisclosed10 - 49 employeesChicago, ILAR/VR development company Fanisko is in Chicago, Illinois. They provide AR/VR development and Blockchain.Read More
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55$5,000+2 - 9 employeesPalatine, ILIT managed services company AH Technology, Inc. Is located in Palatine, Illinois. They offer IT managed services and Cybersecurity and were established in 2018.Read More
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56$5,000+10 - 49 employeesHanover Park, ILAcanthus Technology is an IT managed services company in Hanover Park, Illinois. Their services include IT managed services and Cybersecurity.Read More
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57$5,000+50 - 249 employeesSchaumburg, ILFounded in 1955, Pulse Technology is a midsize Schaumburg, Illinois-based IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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58Undisclosed10 - 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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59Undisclosed10 - 49 employeesDeerfield, ILSCIGON is a Cybersecurity company. They provide Cybersecurity and Enterprise App Modernization and were established in 2008. The agency is based in Deerfield, Illinois.Read More
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60$10,000+2 - 9 employeesBatavia, ILFounded 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.Read More
Clients
Assemblies Unlimited, Inc.Industries
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