Penetration Testing Providers in USA

North America

Penetration testing providers based in the United States, covering one of the world's largest markets for security testing services.

US-based providers often hold certifications relevant to federal contracting including FedRAMP 3PAO and CMMC assessments, and serve organisations across all industries from Silicon Valley startups to Fortune 500 enterprises and government agencies.

The US market is the largest in the world for penetration testing, shaped by federal frameworks including FedRAMP, CMMC, and NIST CSF, plus state-level regimes like CCPA. Providers span Silicon Valley SaaS specialists, East Coast financial-services firms, and DC-area government contractors holding security clearances and 3PAO status for FedRAMP assessment work.

Most relevant: FedRAMP pen testing providers.

36
Providers
6
CREST Accredited
1-2 weeks
Avg Response

Top Accreditations in USA

SOC 224ISO 2700116PCI QSA8FedRAMP 3PAO7OSCP Employer6

Featured Partner

US cybersecurity consulting, audit and testing firm founded in 2004, focused on community banks and credit unions, with external, internal, web application, wireless and PCI DSS penetration testing plus CMMC Level 1 and 2 readiness work.

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36 providers
Madison, South Dakota, United States · Checked Sept 2026

US cybersecurity consulting, audit and testing firm founded in 2004, focused on community banks and credit unions, with external, internal, web application, wireless and PCI DSS penetration testing plus CMMC Level 1 and 2 readiness work.

Services: Network, Web Application, Wireless, Social Engineering +3
Tampa, Florida, United States · Checked Sept 2026

Compliance audit firm delivering web application and network penetration testing with findings mapped to MITRE ATT&CK, alongside the SOC 2, ISO 27001, CMMC, and FedRAMP assessments the results feed into, from a testing team kept independent of the audit side.

Accreditations: FedRAMP 3PAO, CMMC C3PAO, HITRUST Authorized Assessor, PCI QSA
Services: Web Application, Network, Cloud, Red Teaming +3
Spearfish, South Dakota, United States · Checked Sept 2026

Community-driven penetration testing firm known for free security education, open-source tools, Wild West Hackin' Fest, and practical offensive security services.

Accreditations: SOC 2
Services: Network, Web Application, Social Engineering, Red Teaming +4
New York, New York, United States · Checked Apr 2026

Cloud-based Penetration Testing as a Service platform combining AI-driven automation with expert manual testing at accessible price points.

Accreditations: SOC 2, ISO 27001
Services: Web Application, Network, API, Cloud +3
San Francisco, California, United States · Checked Sept 2026

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.

Accreditations: SOC 2, ISO 27001
Services: Web Application, API, Mobile App, Network +2
Atlanta, Georgia, United States · Checked Sept 2026

US penetration testing firm founded in 2011, running 600+ engagements a year with a fully remote, US-based team. Manual, expert-led testing across web, network, cloud, mobile, wireless, OT/ICS, and AI/LLM. Gartner Sample Vendor for PTaaS.

Accreditations: OSCP Employer
Services: Web Application, Network, Mobile App, Cloud +12
Westminster, Colorado, United States · Checked Sept 2026

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

Accreditations: SOC 2, FedRAMP 3PAO, PCI QSA, ISO 27001
Services: Web Application, Network, Cloud, API +4
San Francisco, California, United States · Checked Sept 2026

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

Accreditations: SOC 2
Services: Web Application, Network, API, Mobile App +1
Austin, Texas, United States · Checked Sept 2026

Global cybersecurity leader leveraging world-class threat intelligence from the Falcon platform to deliver intelligence-led penetration testing and red teaming.

Accreditations: SOC 2, ISO 27001
Services: Red Teaming, Network, Web Application, Cloud +4
Reston, United States · Checked Sept 2026

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

Accreditations: FedRAMP 3PAO, PCI QSA, SOC 2, ISO 27001
Services: Web Application, Network, Mobile App, Cloud +11
San Francisco, California, United States · Checked Sept 2026

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.

Accreditations: SOC 2, ISO 27001, FedRAMP 3PAO
Services: Web Application, API, Mobile App, Network +2
Seattle, Washington, United States · Checked Sept 2026

Boutique security consultancy specialising in IoT, SCADA/ICS, embedded systems, and hardware security research with world-renowned researchers.

Accreditations: OSCP Employer
Services: Web Application, Network, IoT, SCADA/ICS +7

Penetration Testing in USA, FAQs

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

We currently list 36 penetration testing providers serving USA. 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 USA?+

Of the 36 providers listed for USA, 6 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 USA?+

Penetration testing costs in USA 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.