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.

9
Providers
2
CREST Accredited
1-2 weeks
Avg Response
§

Top Accreditations in San Francisco

SOC 29ISO 270016PCI QSA4FedRAMP 3PAO4CREST2
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Editor’s Pick

Top-ranked in San Francisco

NCC Group

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

CRESTCHECKCBEST
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9 providers
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 App+13
CRESTCHECKCBEST+5
Verified Feb 2026
FedRAMP 3PAOPCI QSAHITRUST AssessorCloud Compliance LeadersTop US Provider
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 ApplicationNetworkCloud+5
SOC 2FedRAMP 3PAOPCI QSA+1
Verified Feb 2026
Top US ProviderFedRAMP 3PAOPCI QSAHITRUST AssessorEnterprise Scale
GuidePoint Security logo

GuidePoint Security

US-headquartered cybersecurity consultancy with 800+ employees, serving ~40% of the Fortune 500. FedRAMP 3PAO, PCI QSA, and HITRUST accreditations.

Reston, United StatesContact for pricing
Web ApplicationNetworkMobile App+12
FedRAMP 3PAOPCI QSASOC 2+1
Best OverallElite TestersResearch Pioneers
Bishop Fox logo

Bishop Fox

Tempe, Arizona-headquartered offensive security firm and Black Hat / DEF CON regulars, makers of the Cosmos continuous attack surface management platform.

Tempe, Arizona, United StatesContact for pricing
Web ApplicationNetworkMobile App+8
SOC 2OSCP Employer
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 App+3
SOC 2ISO 27001FedRAMP 3PAO
Verified Feb 2026
Top US Compliance AssessorFedRAMP 3PAOPCI QSAHITRUST AssessorCPA-Attested
Schellman logo

Schellman

The largest CPA-firm-based cybersecurity assessor in the US. Unique in holding FedRAMP 3PAO, PCI QSA, HITRUST, ISO 27001, and SOC attestation authority simultaneously.

Tampa, United StatesContact for pricing
Web ApplicationNetworkCloud+5
FedRAMP 3PAOPCI QSASOC 2+2
Packetlabs logo

Packetlabs

CREST-accredited Canadian pen testing firm with a 95% manual-first approach. All testers hold OSCP minimum certification. Zero false positive guarantee.

Mississauga, Ontario, CanadaContact for pricing
Web ApplicationNetworkMobile App+7
CRESTSOC 2OSCP Employer
Verified Mar 2026
Bugcrowd logo

Bugcrowd

Crowdsourced bug bounty pioneer founded in 2012 by Casey Ellis, offering managed programs and crowd-powered penetration testing from hundreds of thousands of ethical hackers.

San Francisco, California, United StatesContact for pricing
Web ApplicationAPIMobile App+3
SOC 2ISO 27001
Verified Feb 2026
PTaaS PioneerTransparent PricingDevSecOps-ReadyCobalt Core CommunityFast Turnaround
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 ApplicationNetworkAPI+2
SOC 2
Verified Feb 2026

Penetration Testing in San Francisco, FAQs

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

We currently list 9 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 9 providers listed for San Francisco, 2 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. See our general pricing guide for more detail.