Top 100 Cybersecurity Companies in San Francisco

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Top 100 Cybersecurity Companies in San Francisco

The Best of December 2025
Your digital assets are as crucial as your physical assets, they need protection too. Cybersecurity services ease the concerns you have and give you peace of mind from threats, online attacks, and other forms of cybercrime. 

List of the Best San Francisco Cybersecurity Consultants

  • 151
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Santa Clara, CA
    Flexis IT is a midsize Santa Clara, California-based IT managed services company. The team provides IT managed services and Cybersecurity.
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  • 152
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Milpitas, CA
    Launched in 2018, AnChain.AI is a Cybersecurity and artificial intelligence firm. Their services include Cybersecurity and Artificial Intelligence.
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  • 153
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    San Jose, CA
    Spirent Communications is a Cybersecurity company in San Jose, California and Beijing, China. They offer Cybersecurity and IT managed services and were launched in 1936.
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  • 154
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.0

    Would Recommend

    5.0
    Undisclosed
    1,000 - 9,999 employees
    Campbell, CA

    Based in Campbell, California, Barracuda is a large cloud consulting & SI company. The team specializes in cloud consulting & SI, cybersecurity, other IT consulting and SI, and application management & support.

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  • 155
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    San Jose, CA
    Nevtec is a small IT managed services company. The San Jose, California-based company was launched in 1996. Their team focuses on IT managed services, IT strategy consulting, and Cybersecurity.
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    Industries

  • 156
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Santa Clara, CA
    Goognu data service pvt. Ltd is a business intelligence company. The Santa Clara, California-based firm focuses on BI & big data consulting & SI and cloud consulting & SI.
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  • 157
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Palo Alto, CA
    Established in 2009, CIO Professional Services, LLC is an IT strategy consulting company. The small team focuses on IT strategy consulting and Cybersecurity.
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  • 158
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Concord, CA , CA
    O3, Inc. Is an artificial intelligence development company. Founded in 2012, the agency focuses on Artificial Intelligence and BI & big data consulting & SI.
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  • 159
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    San Ramon, CA
    DataPattern, a cloud consulting & SI company, was established in 2019. The agency offers cloud consulting & SI and Cybersecurity.
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  • 160
    (0 Reviews)

    Not yet reviewed.

    $50,000+
    10 - 49 employees
    Cupertino, CA
    Newstar Corporation is a small cloud consulting & SI company located in Cupertino, California and Bengaluru, India. The team focuses on cloud consulting & SI and IT managed services.
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  • 161
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    250 - 999 employees
    San Jose, CA
    Innominds 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.
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    Industries

  • 162
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $50,000+
    2 - 9 employees
    San Jose, CA

    InfoGuard Cyber Security is a cybersecurity firm founded in San Jose, Calif. in 2004. With more than two professionals, they offer cybersecurity solutions to clients ranging from small companies to large enterprises.

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    Clients

    BBVA Bank

    Industries

  • 163
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Livermore, CA
    IT managed services company Lanlogic was founded in 1995. The firm provides IT managed services and cloud consulting & SI.
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  • 164
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Mountain View, CA
    Launched in 2018, GSDSolutions LLC is an IT managed services company. The small team focuses on IT managed services and IT strategy consulting.
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  • 165
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    San Jose, CA
    Tech.us, Inc, an artificial intelligence development company, is located in San Jose, California. Their services include Artificial Intelligence and Custom Software Development.
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    Industries

  • 166
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Sunnyvale, CA
    Small big data analytics company VastEdge, is based in Sunnyvale, California and Gurugram, India. Their services include BI & big data consulting & SI and cloud consulting & SI.
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  • 167
    (1 Reviews) 4.5

    Timeliness

    5.0

    Service Excellence

    4.5

    Value

    4.5

    Would Recommend

    0.0
    $5,000+
    1,000 - 9,999 employees
    San Jose, CA
    Happiest 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.
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    Industries

  • 168
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Brentwood, CA
    Direct Protection Security - ADT Authorized Dealers is a Cybersecurity company. The Brentwood, California-based team specializes in Cybersecurity.
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  • 169
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Santa Rosa, CA

    Cybersecurity company Portola Systems, Inc is headquartered in Santa Rosa, California. The small agency was established in 1994. Their team focuses on cybersecurity, IT managed services, IT strategy consulting, cloud consulting & SI, and more.

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    Industries

  • 170
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Dublin, CA
    Founded in 2004, TRUGlobal is a midsize IT strategy consulting company. Their team provides IT strategy consulting and BI & big data consulting & SI.
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  • 171
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Santa Clara, CA
    Founded in 2015, Prismo Systems is a small Cybersecurity company headquartered in Santa Clara, California. Their team focuses on Cybersecurity and IT managed services.
    Read More
  • 172
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $50,000+
    50 - 249 employees
    San Jose, CA
    SuccessLink Outsourcing, an answering service company, is based in San Jose, California. The company specializes in call center services, back office outsourcing, customer service outsourcing, finance & accounting outsourcing (FAO), and more and has a midsize team.The company was launched in 2024.
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  • 173
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    Los Altos, CA
    Avaamo is an artificial intelligence firm. Founded in 2014, the team focuses on Artificial Intelligence and IoT development. The agency is in Los Altos, California and India.
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  • 174
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Fremont, CA
    Dew Software is an IT strategy consulting company founded in 1997. Their team offers IT strategy consulting and BI & big data consulting & SI.
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    Industries

  • 175
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Santa Clara, CA
    CyberHAWKS is an IT managed services company. Their small team is in Santa Clara, California. Their services include IT managed services and cloud consulting & SI.
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  • 176
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    San Jose, CA
    IT managed services company offthegridit was founded in 2012. The team provides IT managed services and Cybersecurity.
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  • 177
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Los Gatos, CA
    One82 is a Los Gatos, California-based Cybersecurity and IT managed services company. They focus on Cybersecurity and IT managed services and were founded in 1999.
    Read More
  • 178
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    Campbell, CA
    ITque is a midsize IT strategy consulting company in Campbell, California. Their services include IT strategy consulting and Cybersecurity.
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  • 179
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    San Jose, CA
    Founded in 2011, Reblaze is a Cybersecurity company. The small team specializes in Cybersecurity and cloud consulting & SI.
    Read More

    Industries

  • 180
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Petaluma, CA
    Deura Information Security Consulting LLC , a Compliance Consulting company, was launched in 2002. Based in Petaluma, California, the team specializes in Compliance Consulting and Cybersecurity.
    Read More
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