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.

15
Providers
4
CREST Accredited
1-2 weeks
Avg Response
§

Top Accreditations in New York

ISO 2700111SOC 210PCI QSA7CREST4CHECK4
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Editor’s Pick

Top-ranked in New York

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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15 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
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 App+10
CRESTCHECKCBEST+2
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 App+11
CRESTCHECKCBEST+5
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 Teaming+8
CRESTCHECKSTAR+3
Verified Feb 2026
APT Intelligence LeaderTIBER-EU SpecialistCBEST TestingGoogle Cloud SecurityNation-State Emulation
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
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
IR-Led PentestingGlobal Incident RespondersPCI QSAFinancial Services Leaders
Kroll logo

Kroll

Global risk advisory firm with a 400+ person cyber practice. IR-led penetration testing that feeds active breach intelligence straight into test scoping.

New York, United StatesContact for pricing
Web ApplicationNetworkCloud+9
PCI QSAISO 27001SOC 2
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
Elite Red TeamAdversary Simulation SpecialistsPTES Co-AuthorsResearch-Driven
Lares Consulting logo

Lares Consulting

Denver-based offensive security boutique with a community-first red team culture. Home of PTES co-authors and the Continuous Red Team retainer.

Denver, United StatesContact for pricing
Web ApplicationNetworkCloud+7
OSCP EmployerSOC 2
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 ApplicationAPI+3
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 15 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 15 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. See our general pricing guide for more detail.