Penetration Testing Providers in California

North America

California-based penetration testing providers serving Silicon Valley's technology companies and the state's diverse business landscape.

Providers have expertise in CCPA compliance and SaaS security testing.

5 providers
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
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
Synack logo

Synack

FedRAMP-authorized crowdsourced penetration testing platform combining vetted elite hackers with AI-powered Hydra technology for continuous security testing.

Redwood City, California, United StatesContact for pricing
Web ApplicationNetworkAPIMobile App+3
FedRAMP 3PAOSOC 2
Verified Feb 2026
Tevora logo

Tevora

CREST-accredited California consultancy blending compliance expertise with penetration testing. First to earn ISO 17020 for MITRE ATT&CK and PTES frameworks.

Irvine, California, United StatesContact for pricing
Web ApplicationNetworkCloudAPI+5
CRESTISO 27001PCI QSA
Verified Mar 2026

Penetration Testing in California — FAQs

How do I find a penetration testing provider in California?+

We currently list 5 penetration testing providers serving California. 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 California?+

Of the 5 providers listed for California, 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 California?+

Penetration testing costs in California 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.