Discover top cybersecurity firms in San Francisco that can protect your business from online threats. DesignRush connects you with agencies trusted by major brands like NHS and Abbvie. With over 40,000 vetted agencies and over 100,000 client-agency matches monthly, you can trust our platform to help you find the right cybersecurity partner. Compare providers by industry expertise, client type, budget, reviews, team size, and portfolio.

Best San Francisco Cybersecurity Firm Rankings

22 Companies - Rankings updated: August 14, 2026

All agencies on DesignRush undergo evaluation based on professional expertise and verified client reviews. Please note that certain placements are paid partnerships.

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United States × California × San Francisco ×

  • Zazz

    Modern IT. Built Secure. Delivered Right.

    Modern IT. Built Secure. Delivered Right.

    Zazz is a cybersecurity company in San Francisco that runs penetration testing, red teaming, and continuous vulnerability scanning alongside 24/7 threat monitoring through SIEM, SOAR, and XDR platforms. Its DevSecOps practice embeds SAST, DAST, and container security directly into client CI/CD pipelines...

    Top Services:

    • Mobile App Development
    • IT Services
    • Software Development
    • Staff Augmentation
    • IT Compliance Solution
    • Show more
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $45/hr
    Portfolios Count
    36 Projects Listed
    View Profile
    5.0 5.0 (76)

  • TruAdvantage

    Award-Winning IT & Cybersecurity

    Award-Winning IT & Cybersecurity

    San Francisco cybersecurity firm TruAdvantage acts a 24/7 security operations center that detects and contains ransomware and malware threats in real time, across both on-premises and cloud environments. Its email security stack layers spam filtering, encryption, AI-based threat detection, and data loss...

    Top Services:

    • Managed Services
    • Cybersecurity
    • IT Services
    • Staff Augmentation
    • Business Consulting
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $165/hr
    Portfolios Count
    8 Projects Listed
    View Profile
    4.9 4.9 (14)
    5.0 5.0 (219)

  • SiliconMint

    Dedicated Teams That Build Complex Software Systems

    Dedicated Teams That Build Complex Software Systems

    SiliconMint lists cybersecurity among its core IT consulting specialties, alongside AI, cloud, and DevOps, applying security considerations directly into the software systems it builds. Its engineering teams have handled security-sensitive work like ledger storage for blockchain-based systems...

    Top Services:

    • Software Development
    • Mobile App Development
    • IoT
    • AI Development
    • Cybersecurity
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    7 Projects Listed
    View Profile
    4.8 4.8 (8)
    5.0 5.0 (1)

  • Advanced Networks

    All-inclusive IT. Secure, proactive, and built to scale.

    All-inclusive IT. Secure, proactive, and built to scale.

    Advanced Networks delivers fully managed IT and cybersecurity from our Los Angeles HQ and offices in Orange County and San Francisco, serving Southern California and the Bay Area. Unlimited support, proactive monitoring, and a full security stack, on a fixed monthly rate with no surprise costs...

    Top Services:

    • Managed Services
    • IT Services
    • Cloud Consulting
    • Cybersecurity
    • IT Compliance Solution
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.8 4.8 (9)
    5.0 5.0 (88)

  • Vention

    Verified Verified by the DesignRush team for authenticity and credibility.
    Engineering peace of mind

    Engineering peace of mind

    Vention's application security testing runs end-to-end assessments from surface-level exposure through penetration testing, aiming to reduce breach risk and strengthen incident response readiness. Its consulting arm builds security frameworks, threat models, and risk management plans...

    Top Services:

    • Software Development
    • Staff Augmentation
    • Mobile App Development
    • Software Testing
    • Web Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    15 Projects Listed
    View Profile
    4.6 4.6 (6)
    4.9 4.9 (19)

  • Azilen Technologies

    An Enterprise AI Development Company

    An Enterprise AI Development Company

    Azilen is a cybersecurity company in San Francisco that builds data classification strategies and maps data flow, giving clients visibility into where sensitive information moves and who can access it. Its DASTAC framework extends this to IP protection at both the organizational and employee level...

    Top Services:

    • AI Development
    • Software Development
    • IT Services
    • IoT
    • Cloud Consulting
    • Show more
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    16 Projects Listed
    View Profile

  • Polosoft Technologies

    Software Development Company In Maryland

    Software Development Company In Maryland

    Certified penetration testers at Polosoft simulate real-world attacks across external, internal, web, and mobile surfaces, following automated vulnerability prioritization built on CVSS scoring. Its compliance automation practice maps controls to cloud resources and user activity for various frameworks...

    Top Services:

    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Software Development
    • Mobile App Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
    View Profile

  • Nexusguard

    DDoS Protection Made Simple

    DDoS Protection Made Simple

    Over 40 dedicated DDoS scrubbing centers form the backbone of Nexusguard's global network, mitigating attacks close to their source to keep latency low. Its Bastions technology bridges on-premises and cloud protection, giving carriers and ISPs always-on local defense backed...

    Top Services:

    • Cybersecurity
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    View Profile

  • Space Cadets

    Enabling Your Use of Amazing Technologies

    Enabling Your Use of Amazing Technologies

    San Francisco cybersecurity firm Space Cadets sets up email authentication protocols to block spoofing and phishing attempts before they reach an inbox. Its employee security awareness training pairs with this technical setup, teaching staff to recognize the attacks that slip through anyway...

    Top Services:

    • Cybersecurity
    • Managed Services
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • CyberDuo

    Secure Your Digital Assets.

    Secure Your Digital Assets.

    CyberDuo runs 24/7 threat detection and response through managed detection and response, monitoring client environments for signs of compromise around the clock. The firm's security stack extends to identity and access management, zero trust architecture, and vulnerability management...

    Top Services:

    • IT Services
    • Cybersecurity
    • Managed Services
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Portfolios Count
    4 Projects Listed
    View Profile
    4.7 4.7 (3)

  • Perimattic

    Your Digital Partner for Project Success.

    Your Digital Partner for Project Success.

    Perimattic is a technology partner specializing in AI development, software development, cloud solutions, DevOps, MLOps, and enterprise technology services. The company helps startups, growing businesses, and enterprises build secure, scalable, and high-performance digital solutions...

    Top Services:

    • AI Development
    • DevOps Consulting
    • Cloud Consulting
    • Software Testing
    • Software Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    View Profile
    4.3 4.3 (1)

  • CQR Company

    Protecting Your Data Powering Your Future

    Protecting Your Data Powering Your Future

    CQR is a cybersecurity company in San Francisco that runs SOC services for threat monitoring alongside digital forensics and incident response for active breaches, reconstructing attacker timelines and coordinating remediation. Its compliance consulting covers SOC 2, HIPAA, PCI DSS, and ISO 27001...

    Top Services:

    • Cybersecurity
    • Software Testing
    • AI Development
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    View Profile

  • Deloitte

    Collaborating for Lasting Impact in Business Consulting

    Collaborating for Lasting Impact in Business Consulting

    Deloitte's cybersecurity practice combines monitoring technology, advanced analytics, and threat intelligence to neutralize risks before they escalate. Forensic specialists step in during active incidents to investigate, contain, and guide organizations through end-to-end restoration...

    Top Services:

    • Business Consulting
    • Accounting
    • HR Outsourcing
    • Big Data Analytics
    • CRM Consulting
    • Show more
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    Portfolios Count
    6 Projects Listed
    View Profile
    3.4 3.4 (83)

  • Rollout AI

    Get Your AI Native IT Department

    Get Your AI Native IT Department

    Rollout AI offers managed detection and response, vCISO guidance, dark web monitoring, and phishing protection backed by 26+ years of experience. Its unlimited-ticket, flat-fee model suits small and mid-sized businesses looking to replace an unresponsive IT provider...

    Top Services:

    • Cybersecurity
    • Cloud Consulting
    • AI Development
    • Staff Augmentation
    • CRM Consulting
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (7)

  • Protiviti

    Global Business Consulting Excellence

    Global Business Consulting Excellence

    Proviti closes security gaps across cloud, identity, apps, and infrastructure, backed by 77+ years of experience as a subsidiary of Robert Half. A leading cybersecurity firm in San Francisco, it is trusted by 80% of Fortune 10 and Fortune 500 companies. Fits enterprises facing high-stakes risk...

    Top Services:

    • Business Consulting
    • IT Compliance Solution
    • Big Data Analytics
    • IT Services
    • Cybersecurity
    • Show more
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    Portfolios Count
    5 Projects Listed
    View Profile
    5.0 5.0 (1)

  • Cure8

    Start Fast, Stay Secure, and Grow With Ease

    Start Fast, Stay Secure, and Grow With Ease

    Cure8 secures cannabis operators with zero-trust network firewalls, ransomware removal and recovery, and 24/7 monitoring across POS, ERP, and back-office systems, paired with licensing compliance audits and surveillance equipment setup. Trusted by Everest Cannabis Co and Tokyo Smoke...

    Top Services:

    • IT Services
    • Cybersecurity
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
    View Profile
    3.0 3.0 (2)

  • Withum

    Business & Technology Solutions

    Business & Technology Solutions

    Withum is a cybersecurity services provider in San Francisco with 50+ years of experience, covering incident response, digital forensics, penetration testing, and compliance. An ideal partner for financial services, healthcare, and government contractors relying on regulatory-driven security programs...

    Top Services:

    • Accounting
    • HR Outsourcing
    • Cybersecurity
    • IT Services
    • Show more
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    View Profile
    5.0 5.0 (8)

  • Zazmic

    Lightning-Fast AI, Cloud & Cybersecurity Solutions

    Lightning-Fast AI, Cloud & Cybersecurity Solutions

    Zazmic builds AI-driven security operations on Google Cloud, pairing Gemini-powered threat detection with Mandiant frontline intelligence drawn from 15+ years of strengthening enterprise environments. It suits organizations scaling AI adoption across healthcare, financial, and manufacturing sectors...

    Top Services:

    • AI Development
    • Mobile App Development
    • UI/UX Design
    • Cloud Consulting
    • Web Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    View Profile
    3.7 3.7 (6)

  • EY

    Building A Better Working World

    Building A Better Working World

    EY offers 37+ years of expertise in Cyber Incident Resilience & Response, combining forensics, threat intelligence, & crisis communications into one response team. With 10+ Stevie Awards & clients like Microsoft & Apple, it is a strong choice for enterprises facing complex, high-stakes incidents...

    Top Services:

    • Business Consulting
    • HR Outsourcing
    • Accounting
    • Cybersecurity
    • IT Services
    • Show more
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    View Profile

  • Ideators

    Digitize Your Ideas!

    Digitize Your Ideas!

    Ideators Digital runs a full cybersecurity practice spanning red team operations, threat hunting, digital forensics, and compliance audits. Trusted by Verizon and KPMG, the cybersecurity company in San Francisco offers 18+ years of experience, completing 418+ projects and earning 80+ industry accolades...

    Top Services:

    • Software Development
    • Software Testing
    • Mobile App Development
    • IT Services
    • Managed Services
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • Blue Trail Software

    More Than Code We Build Trust Through Craft & Commitment

    More Than Code We Build Trust Through Craft & Commitment

    Blue Trail Software folds penetration testing, system hardening, and DevSecOps pipelines into its software engineering work. Backed by 10+ years of building for brands like Samsung and Cartier, it suits product teams needing secure development built into a broader engineering partnership...

    Top Services:

    • Software Development
    • AI Development
    • Big Data Analytics
    • Mobile App Development
    • UI/UX Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $50,000 & Up
    View Profile

  • Varsity Technologies

    Elevating Nonprofits With IT Solutions.

    Elevating Nonprofits With IT Solutions.

    Varsity Technologies brings 25+ years of San Francisco cybersecurity services expertise, layering in endpoint detection, zero-trust architecture, & a dedicated security operations center, with multiple compliance audits. Best for nonprofits & social organizations working with sensitive, regulated data...

    Top Services:

    • IT Services
    • Cloud Consulting
    • Cybersecurity
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.8 4.8 (37)

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