NCC Group logo

NCC Group

Global cybersecurity consultancy with CREST, CHECK, and CBEST accreditation, renowned for deep technical research and comprehensive penetration testing services.

Best UK ProviderBest for EnterpriseResearch Leaders
Founded
1999
Team Size
500+
Geography
Global
Last verified: Feb 2026

About

NCC Group is one of the world's largest and most respected cybersecurity consultancies, headquartered in Manchester, United Kingdom. Founded in 1999, the company has grown into a global powerhouse with over 2,000 employees across offices in the UK, North America, Europe, and Asia-Pacific. NCC Group holds the highest tier of CREST accreditation and is one of a select few companies approved to conduct CHECK and CBEST assessments on behalf of the UK government and financial regulators.

Their penetration testing services span every domain, from web applications and network infrastructure to IoT devices, SCADA systems, and cloud environments. The firm is particularly well known for its deep research culture, with its team regularly discovering zero-day vulnerabilities and publishing cutting-edge research on hardware security, cryptography, and software exploitation. NCC Group also operates one of the largest dedicated escrow and software resilience businesses globally.

Their methodology is grounded in CREST, OWASP, and PTES standards, and their consultants hold certifications including OSCP, CREST CRT, CCT, and SANS GIAC. They serve clients in financial services, government, defense, healthcare, technology, and critical infrastructure, making them a top choice for organizations that require the highest levels of assurance.

Methodologies

OWASPPTESCRESTCBESTOSSTMMTIBER-EU

Team Activity

Active in CTF competitions
SC Awards Best Professional Services
Queen's Award for Enterprise
Speaker: Black Hat
Speaker: DEF CON
Speaker: 44CON
Speaker: BSides
Open source: ScoutSuite
Open source: Demiguise
Open source: ABPTTS
Open source: Winpayloads

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