Penetration Testing Providers in New York

North America

New York-based penetration testing providers serving the city's dense concentration of financial services, media, and technology companies.

NYC providers have deep expertise in financial regulation compliance.

11 providers
Aon Cyber Solutions logo

Aon Cyber Solutions

Cybersecurity consulting division of global insurance leader Aon, uniquely combining penetration testing with cyber risk quantification and insurance expertise.

London, United KingdomContact for pricing
Web ApplicationNetworkCloudRed Teaming+4
ISO 27001SOC 2
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 AppCloud+7
SOC 2OSCP Employer
Verified Feb 2026
BreachLock logo

BreachLock

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

New York, New York, United StatesContact for pricing
Web ApplicationNetworkAPICloud+3
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 ApplicationNetworkCloudAPI+4
SOC 2FedRAMP 3PAOPCI QSAISO 27001
Verified Feb 2026
Dionach logo

Dionach

Global enterprise cybersecurity consultancy founded in 1999 in Oxford, holding rare CREST STAR-FS accreditation and delivering penetration testing, red and purple teaming, and PCI QSA services across five international offices.

Oxford, United KingdomContact for pricing
Web ApplicationNetworkRed TeamingPurple Teaming+7
CRESTCHECKSTARISO 27001+2
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 TeamingNetworkWeb Application+5
SOC 2ISO 27001FedRAMP 3PAO
Verified Feb 2026
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 AppIoT+12
CRESTCHECKCBESTISO 27001+5
Verified Feb 2026
Nettitude logo

Nettitude

CREST, CHECK, and CBEST accredited UK consultancy within Lloyd's Register, delivering premium penetration testing for government and critical infrastructure.

London, United KingdomContact for pricing
Web ApplicationNetworkMobile AppIoT+9
CRESTCHECKCBESTISO 27001+1
Verified Feb 2026
Offensive Security logo

Offensive Security

Creators of OSCP, Kali Linux, and Exploit-DB, offering elite penetration testing services from the team that trains the world's ethical hackers.

New York, New York, United StatesContact for pricing
Web ApplicationNetworkRed TeamingSocial Engineering+4
OSCP Employer
Verified Feb 2026
Pen Test Partners logo

Pen Test Partners

The UK's largest independent security testing firm, renowned for IoT/OT research, CBEST red teaming, and CHECK/CREST-accredited penetration testing across all sectors.

Buckingham, United KingdomContact for pricing
Web ApplicationNetworkMobile AppIoT+10
CRESTCHECKCBESTSTAR+4
Verified Feb 2026
Trail of Bits logo

Trail of Bits

Elite security research firm specializing in source code review, blockchain auditing, and building industry-standard open-source security tools.

New York, New York, United StatesContact for pricing
Source Code ReviewWeb ApplicationAPICloud+2
OSCP Employer
Verified Feb 2026

Penetration Testing in New York — FAQs

How do I find a penetration testing provider in New York?+

We currently list 11 penetration testing providers serving New York. 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 New York?+

Of the 11 providers listed for New York, 4 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 New York?+

Penetration testing costs in New York 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.