Top 100 Cybersecurity Consulting Services in California
The Best of September 2026Looking for a top cybersecurity consultant in California?
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 California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
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List of the Best California Cybersecurity Consultants
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31$25,000+1,000 - 9,999 employeesLos Angeles, CANetsol Technologies Inc. Is a Cybersecurity company. Based in Los Angeles, California and London, England, the team specializes in Cybersecurity and cloud consulting & SI.Read More
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32$5,000+250 - 999 employeesLos Angeles, CACybersecurity company Crimson IT is in Los Angeles, California. Launched in 2011, the team specializes in Cybersecurity and IT managed services.Read More
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33$1,000+10 - 49 employeesSan Francisco, CAKindrix Group is a small cloud consulting & SI company. The San Francisco, California-based agency was launched in 2025. Their services include cloud consulting & SI, Cybersecurity, Artificial Intelligence, Digital Engineering, and more.Read More
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34Undisclosed250 - 999 employeesEl Cajon, CAIntegritum, a Cybersecurity company, is headquartered in El Cajon, California. They specialize in Cybersecurity.Read More
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35$1,000+10 - 49 employeesSanta Ana, CAC3 Tech is a Cybersecurity company founded in 1994. The team provides Cybersecurity and IT managed services and is in Santa Ana, California.Read More
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36Undisclosed10 - 49 employeesNational City, CAFounded in 2014, AUTOMATES is an IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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37$5,000+10 - 49 employeesSan Diego, CARead More
Pact-One Solutions, LLC, a IT managed services company, is headquartered in Las Vegas, Nevada; San Diego, California; Pasadena, California and Lake Oswego, Oregon. The small team focuses on IT managed services, cybersecurity, IT strategy consulting, other IT consulting and SI, and more and was founded in 2003.
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38Undisclosed50 - 249 employeesCupertino, CATechnology Mindz, a midsize CRM consulting and SI company, is in Cupertino, California and Jaipur, India. Their services include CRM consulting and SI and IT managed services.Read More
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39Undisclosed250 - 999 employeesSan Diego, CAESET is a Cybersecurity company. Headquartered in San Diego, California, their midsize team focuses on Cybersecurity. The agency was established in 1992.Read More
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40$5,000+10 - 49 employeesTemecula, CAAdrian Lamo Ethical Hack is a Cybersecurity company founded in 1998. Located in Temecula, California and Temecula, California, the team specializes in Cybersecurity and IT strategy consulting.Read More
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41$5,000+10 - 49 employeesSan Carlos, CAEmagined Security is a Cybersecurity company. Launched in 2003, the team offers Cybersecurity.Read More
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42$1,000+2 - 9 employeesLos Angeles, CACareful Security is a Cybersecurity company. The agency is in Los Angeles, California. Their services include Cybersecurity and IT managed services.Read More
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43$1,000+10 - 49 employeesAlbany, CAArcSource - IT & Cybersecurity Services is a small Albany, California-based IT managed services company. Their services include IT managed services and Cybersecurity.Read More
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44$1,000+2 - 9 employeesNewport Beach, CAEstablished in 2001, BIZCONNECTORS is a Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
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45$1,000+10 - 49 employeesFairfield, CAEstablished in 2008, nDataStor Inc, a small Cybersecurity company, is headquartered in Fairfield, California and Sacramento, California. Their team offers Cybersecurity and IT managed services.Read More
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46Undisclosed10 - 49 employeesSunnyvale, CAGRSee Consulting is a Cybersecurity and Compliance Consulting company. Based in Sunnyvale, California and Rehovot, Israel, the team provides Cybersecurity and Compliance Consulting.Read More
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47$5,000+10 - 49 employeesIrvine, CAQLAN is a small IT managed services company located in Irvine, California. The team provides IT managed services and Cybersecurity.Read More
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48$1,000+10 - 49 employeesSunnyvale, CALocated in Sunnyvale, California, Belkasoft is a Cybersecurity company. The team offers Cybersecurity and Artificial Intelligence.Read More
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49$1,000+10 - 49 employeesSan Diego, CAInfoTechSVP is an IT managed services company. The company is headquartered in San Diego, California. Their team offers IT managed services and IT staff augmentation.Read More
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50Undisclosed10 - 49 employeesLos Gatos, CASapien9, a small Cybersecurity company, is based in Los Gatos, California. The team offers Cybersecurity and Compliance Consulting.Read More
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51$5,000+2 - 9 employeesCampbell, CAHeroic Technologies, an IT managed services company, was founded in 2011. The firm offers IT managed services and Cybersecurity.Read More
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52$5,000+50 - 249 employeesLos Angeles, CAGoodSuite is an IT managed services company. The company is based in Los Angeles, California and Fresno, California. Their team focuses on IT managed services and Cybersecurity.Read More
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53$1,000+2 - 9 employeesLos Angeles, CAXentric Solutions is a small Los Angeles, California-based Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
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54$1,000+10 - 49 employeesLos Angeles, CAPurple Shield Security is a Cybersecurity company. They are located in Los Angeles, California and have small team. They offer Cybersecurity and Compliance Consulting.Read More
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55Undisclosed2 - 9 employeesSan Ramon, CABlackhawk MSP is an IT managed services company launched in 2019. The team provides IT managed services and cloud consulting & SI.Read More
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56$5,000+10 - 49 employeesLos Angeles, CAClearmind Technology, Inc. Is an IT managed services company. They were established in 2011 and specialize in IT managed services and IT strategy consulting.Read More
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57$1,000+10 - 49 employeesBrea, CAUbisec Systems, Inc. Is a small IT managed services company based in Brea, California and Los Angeles, California. Their services include IT managed services and cloud consulting & SI.Read More
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58Undisclosed50 - 249 employeesSan Diego, CACybersecurity and IT managed services company akaCRM, a division of SIG was launched in 2007. The company specializes in Cybersecurity and IT managed services.Read More
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59$1,000+2 - 9 employeesNewport Beach, CAIT managed services company OCMSP was launched in 2005. The team focuses on IT managed services and Cybersecurity and is headquartered in Newport Beach, California.Read More
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60$1,000+250 - 999 employeesLos Angeles, CAIT managed services company TPx was established in 1998. The firm provides IT managed services, Cybersecurity, unified communications consulting & SI, and IT strategy consulting and has a midsize team. The firm is headquartered in Austin, Texas; Los Angeles, California; Manchester, New Hampshire and Las Vegas, Nevada.Read More
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