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.

29 providers
Best for Mid-MarketBest for Financial Services
NetSPI logo

NetSPI

Leading penetration testing firm with the Resolve platform for continuous attack surface management, trusted by nine of the top ten US banks.

Minneapolis, Minnesota, United StatesContact for pricing
Web ApplicationNetworkCloud+8
SOC 2ISO 27001CREST
Verified Feb 2026
Trustwave logo

Trustwave

Global managed security provider with the elite SpiderLabs penetration testing team and deep PCI DSS compliance expertise.

Chicago, Illinois, United StatesContact for pricing
Web ApplicationNetworkMobile App+7
PCI QSAISO 27001SOC 2+0
Verified Feb 2026
Mandiant logo

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.

Reston, Virginia, United StatesContact for pricing
Red TeamingPurple TeamingNetwork+6
SOC 2ISO 27001FedRAMP 3PAO
Verified Feb 2026
TrustedSec logo

TrustedSec

Elite offensive security firm founded by a former NSA operator, delivering CREST-accredited penetration testing, red teaming, and adversary simulation to Fortune 500 and government clients.

Fairlawn, Ohio, United StatesContact for pricing
Web ApplicationNetworkCloud+8
CRESTPCI QSA
Verified Mar 2026
Rapid7 logo

Rapid7

Creators of Metasploit offering enterprise penetration testing integrated with their comprehensive vulnerability management and security operations platform.

Boston, Massachusetts, United StatesContact for pricing
Web ApplicationNetworkMobile App+7
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 ApplicationNetworkCloud+5
SOC 2FedRAMP 3PAOPCI QSA+0
Verified Feb 2026
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 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
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 ApplicationNetworkCloud+6
CRESTISO 27001PCI QSA
Verified Mar 2026
Black Hills Information Security logo

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.

Spearfish, South Dakota, United StatesContact for pricing
NetworkWeb ApplicationSocial Engineering+5
SOC 2
Verified Feb 2026
CrowdStrike logo

CrowdStrike

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

Austin, Texas, United StatesContact for pricing
Red TeamingNetworkWeb Application+5
SOC 2ISO 27001
Verified Feb 2026
IOActive logo

IOActive

Elite boutique security consultancy specializing in IoT, SCADA/ICS, embedded systems, and hardware security research with world-renowned researchers.

Seattle, Washington, United StatesContact for pricing
Web ApplicationNetworkIoT+7
OSCP Employer
Verified Feb 2026

Penetration Testing in USA — FAQs

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

We currently list 29 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 29 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.