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.
Featured Local Specialists
Providers headquartered in USA, ranked by overall score. These local firms often bring deeper market context and language coverage than global competitors.
Top Accreditations in USA
Compliance Expertise in USA
Editor’s Pick
Top-ranked in USA
NetSPI
Penetration testing firm trusted by nine of the top ten US banks, with the Resolve platform for continuous attack surface management.
NetSPI
Penetration testing firm trusted by nine of the top ten US banks, with the Resolve platform for continuous attack surface management.
Trustwave
Global managed security provider with the elite SpiderLabs penetration testing team and deep PCI DSS compliance expertise.
Mandiant
World-renowned cybersecurity firm now part of Google Cloud, delivering threat intelligence-led penetration testing and red teaming informed by front-line incident response experience.
TrustedSec
Offensive security firm founded by former NSA operator David Kennedy, delivering CREST-accredited penetration testing, red teaming, and adversary simulation to Fortune 500 and government clients.
Rapid7
Creators of Metasploit offering enterprise penetration testing integrated with their comprehensive vulnerability management and security operations platform.
Coalfire
Compliance-focused cybersecurity advisory firm and FedRAMP 3PAO specializing in penetration testing that meets stringent regulatory requirements.
GuidePoint Security
US-headquartered cybersecurity consultancy with 800+ employees, serving ~40% of the Fortune 500. FedRAMP 3PAO, PCI QSA, and HITRUST accreditations.
Bishop Fox
Tempe, Arizona-headquartered offensive security firm and Black Hat / DEF CON regulars, makers of the Cosmos continuous attack surface management platform.
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.
Kroll
Global risk advisory firm with a 400+ person cyber practice. IR-led penetration testing that feeds active breach intelligence straight into test scoping.
Tevora
CREST-accredited California consultancy blending compliance expertise with penetration testing. First to earn ISO 17020 for MITRE ATT&CK and PTES frameworks.
Black Hills Information Security
Community-driven penetration testing firm known for free security education, open-source tools, Wild West Hackin' Fest, and practical offensive security services.
Penetration Testing in USA, FAQs
How do I find a penetration testing provider in USA?+
We currently list 33 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 33 providers listed for USA, 5 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.