Browse the best-in-class cybersecurity companies in San Diego whose expertise and reputation recommend them as a reliable future business partner. Use our guide and filters to simplify your search and choose the one company that can meet your requirements and budget.

Best San Diego Cybersecurity Firm Rankings

3 Companies-Rankings updated: August 20, 2026

Each agency listed on DesignRush is assessed for industry expertise and customer testimonials are evaluated in order to provide you with a vetted selection. Certain listings represent paid partnerships.

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  • Integrant

    Extend Your Software Team. Scale Your Software Solutions.

    Integrant, Inc is a custom software development company headquartered in San Diego, CA. We focus on providing tailor-made software solutions, processes, and results to fit your needs to a tee. We strive to uncover the heart of your challenges and identify how our team can seamlessly integrate with you and...

    Location
    San Diego, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Portfolios Count
    7 Projects Listed

    Integrant Services

    • Software Development
    • Mobile App Development
    • AI Development
    • IoT
    • UI/UX Design
    • Cybersecurity
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Medical Device
    • Biotech
    • Continuous Glucose Monitoring
    • Global Manufacturing
    • Financial Institutions
    • Life Sciences
    Data sourced from the agency's DesignRush profile
    Visit WebsiteView Profile
    4.2 4.2 (5)

  • Infracore

    Providing best-in-class IT services

    Infracore is a best-in-class Cybersecurity and IT Support Services firm. Founded in 2003, Infracore takes a white-glove approach to providing end-to-end IT infrastructure support, cybersecurity, systems management, network design, compliance, desktop support, and strategic decision guidance...

    Location
    San Diego, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $140/hr
    Minimal Budget
    $25,000 - $50,000

    Infracore Services

    • Managed Services
    • IT Services
    • Cloud Consulting
    • Cybersecurity
    • IT Compliance Solution
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Pfizer
    • SmartDrive
    • Takeda
    • Tavistock Group
    • Verimatrix
    Data sourced from the agency's DesignRush profile

    Infracore Reviews & Testimonials

    • Bennett Fisher
      Bennett Fisher Service Desk, Cybersecurity at Fresh Echo Interactive
      5.0★

      Managed Services Review from Bennett Fisher

      Fantastic IT support. Very responsive - they act as our internal team! Extremely pleased.

    • Best Life
      Best Life Review from Google
      5.0★

      Best Life's Review Sourced from Google

      I recently had the pleasure of working with Infracore. Their customer service is exceptional. Their team is responsive, attentive, and genuinely committed to resolving my issues. They took the time to understand my specific needs and provided good, better, best options, which allowed me to feel in control by picking the path that best fit my needs and budget. Their friendly and professional approach made the entire experience seamless and stress-free.When it comes to technical expertise, Infracore truly stands out. Their knowledge of cloud services and cybersecurity is top-notch. They helped us migrate to a secure cloud environment with minimal downtime and ensured our data was protected with the latest security measures. Their proactive approach to identifying and mitigating potential threats has given us peace of mind, knowing our systems are in capable hands. I highly recommend Infracore for anyone seeking reliable and expert IT support services.

    • Louis Song
      Louis Song Review from Google
      5.0★

      Louis Song's Review Sourced from Google

      Paymon, Eric, Ivan and the team are great to work with. They are extremely responsive and knowledgeable and quickly helped us with some cybersecurity issues and an overall audit of our systems. They are my GO TO team for cybersecurity and any IT issues.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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    4.3 4.3 (1)
    5.0 5.0 (15)

  • EY

    Building A Better Working World

    EY offers Accounting, Business Consulting, and IT Services with a mission to build a better working world. It provides insights and quality services that instill trust in global capital markets and economies. EY focuses on developing exceptional leaders who deliver on their commitments to all stakeholders...

    Location
    San Diego, California
    Number of Employees
    1000 & Up

    EY Services

    • Business Consulting
    • HR Outsourcing
    • Accounting
    • Cybersecurity
    • IT Services
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Qiagen
    • Apple
    • ASOS
    • Microsoft
    • Wawa
    Data sourced from the agency's DesignRush profile
    Visit WebsiteView Profile

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