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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1$5,000+250 - 999 employeesGlendale, CABased in Glendale, California; New York, New York and San Francisco, California, CyberDuo is an IT managed services company. Launched in 2008, the midsize team offers IT managed services, Cybersecurity, IT strategy consulting, and cloud consulting & SI.Read More
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DisneyIndustries
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2Undisclosed50 - 249 employeesSan Francisco, CALocated in San Ramon, California; San Francisco, California; Sacramento, California and San Jose, California, Parachute Technology is an IT managed services company. The midsize team focuses on IT managed services, Cybersecurity, and cloud consulting & SI. The agency was established in 2003.Read More
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San Francisco Travel AssociationIndustries
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3$5,000+10 - 49 employeesSan Francisco, CARead More
Launched in 2010, TruAdvantage is an IT managed services company. Based in San Jose, California and San Francisco, California, their small team provides IT managed services, cloud consulting & SI, Cybersecurity, and IT strategy consulting.
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4$1,000+10 - 49 employeesSan Francisco, CARead More
Varsity Technologies is an IT managed services company. Their small team is based in San Francisco, California; New York, California and Sacramento, California. The agency offers IT managed services, Cybersecurity, cloud consulting & SI, and Web Development.
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5$5,000+10 - 49 employeesSan Francisco, CAFounded in 2007, Snap Tech IT is a cybersecurity company. The company focuses on cybersecurity, cloud consulting & SI, and IT managed services and has a small team.Read More
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6$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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7Undisclosed2 - 9 employeesFoster City, CAIT Total Care is an IT managed services company. Founded in 2001, the small firm is based in Foster City, California. Their services include IT managed services, Cybersecurity, and cloud consulting & SI.Read More
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8$5,000+250 - 999 employeesSan Francisco, CACobalt is a San Francisco, California-based Cybersecurity and Application Testing company. Launched in 2013, the team offers Cybersecurity and Application Testing.Read More
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9Undisclosed10 - 49 employeesSan Francisco, CASentant is an IT strategy consulting company. They provide IT strategy consulting and cloud consulting & SI and are in San Francisco, California.Read More
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10Undisclosed1,000 - 9,999 employeesFoster City, CAFounded in 1999, Qualys is an IT strategy consulting and Cybersecurity company. The company provides IT strategy consulting and Cybersecurity.Read More
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11Undisclosed250 - 999 employeesSan Francisco, CACybersecurity company Skybox Security was launched in 2002. The team provides Cybersecurity and is in San Francisco, California.Read More
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12Undisclosed250 - 999 employeesSan Mateo, CAStratogent is a midsize San Mateo, California-based cloud consulting & SI company. Their services include cloud consulting & SI and Cybersecurity.Read More
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13$1,000+10 - 49 employeesSan Francisco, CAOut Task Inc is an IT managed services company. They offer IT managed services and Cybersecurity and were founded in 2021. The firm is based in San Francisco, California and Santa Clara, California.Read More
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14$5,000+10 - 49 employeesSan Francisco, CALaunched in 2009, Centarus | IT Support & Managed IT Services is an IT managed services company. The team provides IT managed services and Cybersecurity.Read More
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15$1,000+2 - 9 employeesEl Sobrante, CANerd Crossing, an IT managed services company, provide IT managed services and Cybersecurity. They were established in 2010.Read More
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16Undisclosed10 - 49 employeesOakland, CAIn Oakland, California, PC Professional, Inc. Is an IT managed services company. The team provides IT managed services and Cybersecurity.Read More
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17Undisclosed10 - 49 employeesSan Francisco, CALaunched in 2024, SecPath, a small Cybersecurity company, is headquartered in San Francisco, California. Their services include Cybersecurity.Read More
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18Undisclosed50 - 249 employeesSan Francisco, CASpiceOrb is a big data company. Their midsize team is based in San Francisco, California. Their services include BI & big data consulting & SI and Cybersecurity.Read More
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19Undisclosed10 - 49 employeesSan Francisco, CAFounded in 1987, Langtech is a small IT managed services company. Their services include IT managed services and Custom Software Development.Read More
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20$10,000+10 - 49 employeesSan Francisco, CAPraetorian is a Cybersecurity company. Their small team is in Austin, Texas and San Francisco, California and specializes in Cybersecurity. The agency was launched in 2010.Read More
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21Undisclosed50 - 249 employeesWalnut Creek, CACybersecurity company SharkStriker Inc. Is in Walnut Creek, California. The midsize team provides cybersecurity. The firm was launched in 2010.Read More
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22Undisclosed10 - 49 employeesSan Francisco, CATruvantis, Inc. Is a Cybersecurity and Compliance Consulting company launched in 2010. The team offers Cybersecurity and Compliance Consulting.Read More
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23Undisclosed2 - 9 employeesSan Francisco, CABased in San Francisco, California, Ooctolabnet is a small Cybersecurity and IT managed services company. Their services include Cybersecurity and IT managed services.Read More
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24Undisclosed50 - 249 employeesSan Francisco, CAIT strategy consulting company Innovative Computing Systems, Inc. Is based in San Francisco, California. They offer IT strategy consulting and cloud consulting & SI.Read More
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25Undisclosed2 - 9 employeesSan Mateo, CAFounded in 2018, TEN31 Technology is a small IT managed services company. Their team offers IT managed services and Web Development.Read More
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26$10,000+1,000 - 9,999 employeesSan Ramon, CARead More
Neurealm is a Cybersecurity company. They specialize in Cybersecurity, Custom Software Development, Artificial Intelligence, Generative AI, and more and were founded in 1998. Their large team is headquartered in Princeton, New Jersey; San Ramon, California; Santa Clara, California and Chennai, India.
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27Undisclosed10 - 49 employeesSan Francisco, CAData analytics company Enterprise Horizon Consulting Group is located in San Francisco, California. The team offers BI & big data consulting & SI and cloud consulting & SI.Read More
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28UndisclosedFreelancer employeesSan Francisco, CADr. Dede Tetsubayashi Consulting is a Market Research company. Their small team of employees is based in San Francisco, California. Their team offers Market Research and Corporate Training & Coaching.Read More
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29Undisclosed10 - 49 employeesMountain View, CARead More
Cybersecurity and IT managed services company Jump Start Technology was founded in 1997. Their small team is based in Mountain View, California. Jump Start Technology focuses on cybersecurity and IT managed services.
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30$1,000+10 - 49 employeesSan Ramon, CABased in San Ramon, California, Clare Computer Solutions is an IT managed services company. They provide IT managed services and Cybersecurity and were founded in 1990.Read More
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