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Top Cybersecurity Companies in San Francisco, CA

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Looking for the best cybersecurity company in San Francisco? UpCity compiles authentic reviews, company descriptions, project examples, and more into a list for you to review. Feel confident you're finding the top provider for your business.

UpCity offers objective, independent research and verified user reviews. We earn compensation from some providers who sign up for sponsored profiles. Learn more about our trusted providers.

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Provider's minimum per-project cost
Provider's minimum retainer cost
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Businesses provider works with
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50 Provider(s)Last Updated: October 28, 2025
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CloudMasonry

San Francisco, CA, US + 8 More Locations
4.9 | 12 reviews
Last reviewed on 10/29/2020
CloudMasonry is a top-rated Salesforce consulting partner with 4.9 CSAT and 85% client retention. Serving the US and UK, we deliver end-to-end expertise across all Salesforce clouds to help enterprises maximize their Salesforce investment.
Businesses provider works with
Works with
Small, Medium, Enterprise
Provider's minimum per-project cost
Per-project minimum
$10,000 or more
Provider updated information on 9/10/2025
Services Offered
Managed Service ProvidersIT ServicesSystem IntegrationCybersecurityAmazon Web Services (AWS)View All Services (8)
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Dedicated Developers

San Francisco, CA, US + 5 More Locations
5.0 | 39 reviews
Last reviewed on 7/10/2025
App business obsessed since 2007. We don't just build apps—we build successful app businesses. 300+ success stories.
Businesses provider works with
Works with
Medium, Enterprise
Provider's minimum per-project cost
Per-project minimum
$10,000 or more
Provider's minimum retainer cost
Retainer minimum
$2,000 or more, monthly
Provider updated information on 5/26/2025
Services Offered
Enterprise Resource Planning (ERP)Big Data & Business IntelligenceSystem IntegrationCybersecurityRuby on Rails DevelopmentView All Services (46)
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TruAdvantage

San Francisco, CA, US + 1 More Location
5.0 | 16 reviews
Last reviewed on 1/23/2024
Since 2001, TruAdvantage, an award-winning IT and cybersecurity consulting firm has served over 100 small businesses, medium-sized companies and healthcare practices located in San Jose, San Francisco, and the Bay Area. It has helped them derive a great return on investment from their technology.
Businesses provider works with
Works with
Small, Medium
Provider's minimum per-project cost
Per-project minimum
$5,000 or more
Provider's minimum retainer cost
Retainer minimum
$1,500 or more, monthly
Provider updated information on 7/29/2024
Services Offered
Managed Service ProvidersIT ServicesCybersecuritySystem IntegrationCloud Consulting

Alternis IT

San Francisco, CA, US See Location
The Alternis IT team is comprised of 55 local, technology professionals dedicated to finding human-focused solutions for all of your venture’s IT needs. Our talent is top-tier, diverse, and multilingual. Each of us puts a premium on integrity and transparency with our partners. Our practice is based on a lean, virtual business model, which allows us to offer flexible programs without burdening you with our overhead.
Businesses provider works with
Works with
Small, Medium
Provider updated information on 3/11/2020
Services Offered
Cybersecurity
Breadcrumb Cybersecurity helps organizations protect their infrastructure, critical data, and reputation from today’s advanced cyber threats. Based in California, Breadcrumb offers comprehensive cybersecurity services for organizations throughout the U.S.
Businesses provider works with
Works with
Small, Medium, Enterprise
Provider's minimum per-project cost
Per-project minimum
$2,500 or more
Provider's minimum retainer cost
Retainer minimum
$2,000 or more, monthly
Provider updated information on 3/21/2023
Services Offered
CybersecurityCloud Consulting
2022 Study: 50% of SMBs Have a Cybersecurity Plan in Place | UpCity

This UpCity study presents insight from 600 U.S. small business owners and IT experts on their latest cybersecurity practices, data breach prevention, and disaster recovery measures in 2022.

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Phoenix 2.0, Inc.

San Francisco, CA, US See Location
Phoenix 2.0 is a San Francisco managed IT firm that specializes in the analysis, design, implementation and maintenance of your IT.
Services Offered
Managed Service ProvidersCybersecurity
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Tech Plus Consulting

San Francisco, CA, US See Location
Looking for IT Support, IT Security or Managed Services in Oakland and San Francisco? You've come to the right place! Tech Plus offers help desk, 24/7 support, MSP plans and more.
Services Offered
Managed Service ProvidersCybersecurity
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UnitedLayer

San Francisco, CA, US See Location
UnitedLayer provides a myriad of IT services to enterprise clients across a broad spectrum of industries. Our major products and services include disaster recovery, managed private clouds, and colocation.
Services Offered
Managed Service ProvidersCybersecurity
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BH Tech Connection

San Francisco, CA, US See Location
BH Tech Connection provides IT and tech support in San Francisco, helping businesses make tech easy.
Services Offered
Managed Service ProvidersCybersecurity
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Agari

San Francisco, CA, US See Location
Defend against advanced email attacks with Agari. Our email threat prevention and protection service leverages AI cybersecurity to protect your organization.
Services Offered
Cybersecurity
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Banyan Security

San Francisco, CA, US See Location
At Banyan Security, we help IT and Security teams successfully deliver secure remote access to both today’s and the next generation of users and applications. That’s why we have brought the industry’s most user-centric Zero Trust Network Access (ZTNA) solution to market.
Services Offered
Cybersecurity
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Blueliv

San Francisco, CA, US See Location
e extend your security operations to bridge the people, processes and technology required for 24/7 monitoring and analysis. No matter what your needs are, we take a journey-based approach to augment your security assessment program from simple deployment to complex configurations and continuous improvement.
Services Offered
Cybersecurity
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Technology Source for CEOs, CIOs and IT Managers for 200 providers of Cloud Based Infrastructure, IT Services, Connectivity, Cyber Security, Software Applications & Development, Phone Systems, Mobility, Business Optimization and Digital Marketing. Cov...
Services Offered
Cybersecurity
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CB Universal, LLC

San Francisco, CA, US See Location
Our flexible services will adapt to your specific needs and provide a fully customized experience. CB Universal can offer unique services for all size organizations.
Services Offered
Cybersecurity
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CTI Protection & Investigation Services, Inc. is a multifaceted company founded and run by accomplished investigative and management professionals with roots from within the Federal law enforcement, intelligence, counterintelligence, military, and public safety fields. We have decades of discrete and successful service delivery to high net worth individuals, corporations and organizations
Services Offered
Cybersecurity
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