Top 70 Penetration Testing Companies in San Francisco
The Best of December 2025Looking for a top penetration testing company in San Francisco?
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 San Francisco. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best San Francisco Penetration Testing Services
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31Undisclosed50 - 249 employeesPleasanton, CAMidsize cybersecurity company SafeAeon, is located in Pleasanton, California. They focus on cybersecurity and were launched in 2019.Read More
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32Undisclosed10 - 49 employeesSan Francisco, CAGlobal IT Services is a Sacramento, California-based IT strategy consulting company. They focus on IT strategy consulting and Corporate Training & Coaching.Read More
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33Undisclosed50 - 249 employeesSan Ramon, CASennovate is a Cybersecurity company. The San Ramon, California-based firm provides Cybersecurity and IT managed services.Read More
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34Undisclosed2 - 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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35Undisclosed10 - 49 employeesRedwood City, CABased in Redwood City, California, Pinn is an artificial intelligence development company and Cybersecurity company. The team offers Artificial Intelligence and Cybersecurity.Read More
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36Undisclosed250 - 999 employeesNewark, CASkoruz Technologies is a Cybersecurity company. Their team is headquartered in Newark, California and Newark, California and focuses on Cybersecurity and Business Consulting.Read More
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37Undisclosed2 - 9 employeesWalnut Creek, CACJS Associates, LLC is an IT managed services and Cybersecurity company. The Walnut Creek, California-based firm was founded in 2000. Their services include IT managed services and Cybersecurity.Read More
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38Undisclosed10 - 49 employeesSan Jose, CARead More
DataEndure is a digital security company based in San Jose, Calif. and founded in 1983. Their team of 36 employees specializes in cybersecurity, cloud consulting, and IT managed services for enterprise and midmarket candidates in the IT, financial services, and healthcare industries.
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DataEndure works with a number of customers across industriesIndustries
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39$5,000+10 - 49 employeesFremont, CAProkopto is a small IT strategy consulting company headquartered in Fremont, California. The team offers IT strategy consulting and cloud consulting & SI.Read More
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40Undisclosed2 - 9 employeesWalnut Creek, CALaunched in 2005, Netblaze Systems, Inc. Is a small Walnut Creek, California-based IT managed services company. Their services include IT managed services and Cybersecurity.Read More
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41Undisclosed50 - 249 employeesPalo Alto, CACyCognito is a midsize Cybersecurity company established in 2017. Their team focuses on Cybersecurity.Read More
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42Undisclosed50 - 249 employeesSan Ramon, CADataPattern, a cloud consulting & SI company, was established in 2019. The agency offers cloud consulting & SI and Cybersecurity.Read More
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43$50,000+1,000 - 9,999 employeesSan Jose, CAIoT development company eInfochips - an Arrow company was launched in 1994. The company focuses on IoT development and cloud consulting & SI.Read More
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44$5,000+250 - 999 employeesSan Jose, CAFounded in 2004, Netenrich, Inc. Is a Cybersecurity company. The team specializes in Cybersecurity and cloud consulting & SI.Read More
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45Undisclosed1,000 - 9,999 employeesMountain View, CAEgnyte, a Cybersecurity company, provides Cybersecurity and IT strategy consulting. The firm is based in Mountain View, California and Poznań, Poland.Read More
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46Undisclosed50 - 249 employeesPalo Alto, CAEstablished in 2012, Safe Security is a Cybersecurity company. The team specializes in Cybersecurity and is located in Palo Alto, California and Santa Clara, California.Read More
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47Undisclosed10 - 49 employeesHayward, CALaunched in 2006, Global Tech Studio is a small Hayward, California-based software development company. Their team offers Custom Software Development and IT managed services.Read More
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48Undisclosed10 - 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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49$10,000+250 - 999 employeesSan Jose, CARead More
Trajectus, a web design agency, is based in Southfield, Michigan and San Jose, California. They provide web design, e-commerce development, enterprise app modernization, application management & support, and more and were founded in 2015.
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50Undisclosed50 - 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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51$1,000+50 - 249 employeesSan Jose, CARead More
Alternis IT is a managed IT and cybersecurity broker based in San Jose, Calif., with an office in Los Angeles. The broker, founded in 2013, has more than 50 employees and provides cybersecurity, IT managed services, IT strategy consulting, and cloud consulting & SI services. Alternis IT serves small and midmarket companies in various sectors that include financial services, media, and legal.
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KindPeoplesIndustries
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52Undisclosed1,000 - 9,999 employeesSan Jose, CACisco is a large cybersecurity company. The San Jose, California-based agency was established in 1984. Their services include cybersecurity and IT strategy consulting.Read More
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53$5,000+1,000 - 9,999 employeesSan Jose, CARead More
ACL Digital is an user experience company located in San Jose, California and Bengaluru, India. The large agency was launched in 1992. Their team specializes in ux/ui design, IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, and more.
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54$10,000+10 - 49 employeesSan Jose, CARead More
Caspian IT Group is an IT company in San Jose. Founded in 2012, they have about 6 employees that serve clients in a wide range of industries. Services include IT managed services, strategy consulting, and cybersecurity.
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55$10,000+250 - 999 employeesSan Jose, CAInnominds Software Inc. Is an UX agency. The team is located in San Jose, California and Kondapur, India, and their services include UX/UI Design and BI & big data consulting & SI.Read More
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56$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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57$5,000+1,000 - 9,999 employeesSan Jose, CAHappiest Minds Technologies is a business intelligence company. The large team is headquartered in Bengaluru, India; San Jose, California; Princeton, New Jersey and Mumbai, India. Their services include BI & big data consulting & SI, cloud consulting & SI, CRM consulting and SI, Application Management & Support, and more.Read More
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58Undisclosed10 - 49 employeesMilpitas, CALocated in Milpitas, California, ICE Consulting is a cloud consulting & SI company. Their services include cloud consulting & SI and Cybersecurity.Read More
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59Undisclosed10 - 49 employeesSanta Clara, CAASANI Solutions, LLC. Is a Santa Clara, California-based Cybersecurity company. Their services include Cybersecurity and Compliance Consulting.Read More
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60$1,000+10 - 49 employeesSan Jose, CARead More
SRS Networks is an IT firm based in Salinas, Calif. Founded in 1996, their team of 30 serves clients in the transportation sectors. Services include IT strategy and staff augmentation.
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