Top 60 Cybersecurity Companies in St. Louis
The Best of December 2025Looking for a top cybersecurity consultant in St. Louis?
Check out our list of the best cybersecurity consulting companies to choose a partner that can secure your company. Preventing data breaches should be the top security priority for all businesses in the digital age.
To assist you in your search for a partner, we’ve compiled this list of the top cybersecurity consulting companies in St. Louis. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
>List of the Best St. Louis Cybersecurity Consultants
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31Undisclosed250 - 999 employeesChesterfield, MOLaunched in 1993, InterVision Systems is a midsize Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
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32Undisclosed2 - 9 employeesChesterfield, MOCISO Sidekick is a Cybersecurity company. The company is located in Chesterfield, Missouri. Their team specializes in Cybersecurity.Read More
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33Undisclosed10 - 49 employeesBallwin, MOAnderson Technologies is an IT strategy consulting company. In Ballwin, Missouri, the team offers IT strategy consulting and cloud consulting & SI.Read More
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34Undisclosed50 - 249 employeesSt. Louis, MOMaryville Consulting Group is an IT strategy consulting company. They are located in St. Louis, Missouri. Their team focuses on IT strategy consulting and cloud consulting & SI.Read More
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35Undisclosed2 - 9 employeesHigh Ridge, MOBranham IT Solutions, LLC is a Cybersecurity company. In High Ridge, Missouri, the company provides Cybersecurity and Corporate Photography.Read More
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36Undisclosed2 - 9 employeesSt. Louis, MOGlobal Enterprise Services, LLC is a custom software development firm. The St. Louis, Missouri-based firm was established in 2018. Their services include Custom Software Development and Cybersecurity.Read More
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37Undisclosed2 - 9 employeesSt. Louis, MOHarpy IT Solutions is an IT managed services company. The St. Louis, Missouri-based company was founded in 2012. Their services include IT managed services and Cybersecurity.Read More
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38Undisclosed2 - 9 employeesChesterfield, MOSmall Cybersecurity company Innovilink, is in Chesterfield, Missouri. Their services include Cybersecurity.Read More
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39Undisclosed50 - 249 employeesSt. Louis, MOCEdge Inc. Is a midsize IT strategy consulting company launched in 2004. Their team focuses on IT strategy consulting and cloud consulting & SI.Read More
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40Undisclosed10 - 49 employeesSt. Louis, MONight Lion Security is a Cybersecurity company established in 2012. In St. Louis, Missouri, the team provides Cybersecurity and IT managed services.Read More
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41Undisclosed10 - 49 employeesSt. Louis, MOAlliance Technologies, LLC, an IT strategy consulting company, was founded in 2009. The team provides IT strategy consulting and cloud consulting & SI and is based in St. Louis, Missouri.Read More
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42Undisclosed2 - 9 employeesWentzville, MOComputer Paramedic - STL is a Cybersecurity company. Launched in 1995, the team provides Cybersecurity and IT managed services. The agency is located in Wentzville, Missouri.Read More
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43Undisclosed10 - 49 employeesChesterfield, MONorton Digital Consulting, an IT strategy consulting company, was launched in 2011. The team specializes in IT strategy consulting and BI & big data consulting & SI.Read More
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44Undisclosed50 - 249 employeesJerseyville, ILVerve Industrial, a data analytics company, was established in 1994. The company specializes in BI & big data consulting & SI and Cybersecurity, and is midsize.Read More
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45Undisclosed10 - 49 employeesChesterfield, MOData Solutions Group is an IT strategy consulting company. Their small team is in Chesterfield, Missouri. Their services include IT strategy consulting and IT managed services.Read More
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46$5,000+10 - 49 employeesWashington, MONOC Technology is a cloud consulting & SI company launched in 2009. The firm specializes in cloud consulting & SI and Cybersecurity.Read More
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47Undisclosed10 - 49 employeesSt. Peters, MOPearl Solutions Group is a cybersecurity company. Established in 1994, the team provides cybersecurity. Their small agency is St. Peters, Missouri-based.Read More
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48Undisclosed2 - 9 employeesWebster Groves, MOCryptex Cyber Security LLC is a Cybersecurity company headquartered in Webster Groves, Missouri. The team provides Cybersecurity.Read More
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49Undisclosed10 - 49 employeesEllisville, MONTP Cyber Security is a Cybersecurity company. Headquartered in Ellisville, Missouri, the firm was founded in 1999. Their team focuses on Cybersecurity.Read More
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50Undisclosed50 - 249 employeesSt. Louis, MOSpearTip is a midsize St. Louis, Missouri-based Cybersecurity company. The team offers Cybersecurity.Read More
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51Undisclosed50 - 249 employeesChesterfield, MOTechGuard Security is a Cybersecurity company. Based in Chesterfield, Missouri, the company was founded in 2000. Their services include Cybersecurity.Read More
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52Undisclosed10 - 49 employeesSt. Louis, MOHeadquartered in St. Louis, Missouri, ThrottleNet, Inc. Is a small Cybersecurity company. The team focuses on Cybersecurity.Read More
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53Undisclosed2 - 9 employeesSt. Louis, MOCybersecurity and other IT consulting and SI company NightLion Security is in St. Louis, Missouri. Their services include Cybersecurity and other IT consulting and SI.Read More
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54Undisclosed2 - 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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