Penetration Testing Providers in San Francisco

North America

San Francisco-based penetration testing providers serving the Bay Area's world-leading technology ecosystem.

Home to countless SaaS companies, startups, and established tech giants, San Francisco providers specialise in cloud security, application testing, and DevSecOps integration.

6 providers
Best OverallElite TestersResearch Pioneers
Bishop Fox logo

Bishop Fox

Premier US-based offensive security firm known for elite penetration testers, cutting-edge research, and the Cosmos continuous attack surface management platform.

Tempe, Arizona, United StatesContact for pricing
Web ApplicationNetworkMobile AppCloud+7
SOC 2OSCP Employer
Verified Feb 2026
Bugcrowd logo

Bugcrowd

Leading crowdsourced security platform offering managed bug bounty programs and crowd-powered penetration testing with hundreds of thousands of ethical hackers.

San Francisco, California, United StatesContact for pricing
Web ApplicationAPIMobile AppNetwork+2
SOC 2ISO 27001
Verified Feb 2026
Coalfire logo

Coalfire

Compliance-focused cybersecurity advisory firm and FedRAMP 3PAO specializing in penetration testing that meets stringent regulatory requirements.

Westminster, Colorado, United StatesContact for pricing
Web ApplicationNetworkCloudAPI+4
SOC 2FedRAMP 3PAOPCI QSAISO 27001
Verified Feb 2026
Cobalt logo

Cobalt

Pioneer of Pentest as a Service, delivering fast, platform-based penetration testing with a vetted global community of security researchers.

San Francisco, California, United StatesContact for pricing
Web ApplicationNetworkAPIMobile App+1
SOC 2
Verified Feb 2026
HackerOne logo

HackerOne

World's largest ethical hacker platform with over one million researchers, offering bug bounties and structured penetration testing to the US DoD and Fortune 500.

San Francisco, California, United StatesContact for pricing
Web ApplicationAPIMobile AppNetwork+2
SOC 2ISO 27001FedRAMP 3PAO
Verified Feb 2026
Best UK ProviderBest for EnterpriseResearch Leaders
NCC Group logo

NCC Group

Global cybersecurity consultancy with CREST, CHECK, and CBEST accreditation, renowned for deep technical research and comprehensive penetration testing services.

Manchester, United KingdomContact for pricing
Web ApplicationNetworkMobile AppIoT+12
CRESTCHECKCBESTISO 27001+5
Verified Feb 2026

Penetration Testing in San Francisco — FAQs

How do I find a penetration testing provider in San Francisco?+

We currently list 6 penetration testing providers serving San Francisco. You can filter by service type, accreditation, compliance expertise, and pricing to find the best fit for your requirements. Each provider profile includes verified accreditations, service details, and independent scores based on our transparent methodology.

What accreditations should I look for in San Francisco?+

Of the 6 providers listed for San Francisco, 1 hold CREST accreditation — the most widely recognised standard for penetration testing quality in the North America region. For US-based organisations, FedRAMP 3PAO and CMMC assessment capabilities are important for government contracts, while SOC 2 and PCI DSS expertise matters for commercial engagements.

How much does penetration testing cost in San Francisco?+

Penetration testing costs in San Francisco vary significantly based on scope and complexity. A standard web application test typically ranges from $5,000 to $25,000, network penetration tests from $10,000 to $30,000, and comprehensive red team engagements from $30,000 to over $100,000. Key cost factors include the number of targets, required accreditations, testing methodology, and whether on-site presence is needed.