Both NCC Group and its staff hold industry certifications and accreditations at the very highest levels.


NCSC (formerly CESG) CTAS

We were selected as one of the first companies to provide the National Cyber Security Centre’s (NCSC - formerly CESG) Tailored Assurance Service (CTAS), which is for a wide range of IT products and systems. 

View NCC Group's NCSC CTAS listing by following the link below.

Government Procurement Service 

NCC Group is accredited by the Government Procurement Service to provide products and services to public sector organisations.

London Stock Exchange Premium Accreditation 

NCC Group is listed as part of the FTSE TECHMARK on the London Stock Exchange.

ISTQB® Certified Tester accredited training provider 

NCC Group is accredited by the International Software Testing Qualifications Board (ISTQB) to provide training for its Certified Tester scheme.

NSW Government Approved Supplier 

NCC Group is an approved supplier by the NSW Procurement (NSWP), Department of Finance and Services, on behalf of the NSW Government.

CREST supplier for Threat Intelligence services 

NCC Group is an accredited CREST supplier for Threat Intelligence services under the STAR scheme.

CBEST LogoCBEST Approved Penetration Testing Provider

NCC Group is a CBEST Approved Penetration Testing Provider.

CBEST LogoCBEST Threat Intelligence supplier

NCC Group is an approved CBEST Threat Intelligence supplier.

ISO 17025:2005 

NCC Group Security Services Limited is certified to ISO 17025:2005.

Our accreditation is limited to those activities described on our UKAS schedule of accreditation, which can be found here:


ISO 9001:2015 

NCC Group's Quality Management System is certified to ISO 9001:2015 and has held ISO 9001 status since 1994. (Certificate Identity Number: 10048950). 

View certificate and schedule here:

ISO 27001:2013

NCC Group's Information Security Management System is certified to ISO 27001:2013. (Certificate Identity Number: 10048950)

View certificate and schedule here:

NCSC (formerly CESG) CHECK 

NCC Group is certified under the government's NCSC (formerly CESG) CHECK scheme for network penetration and testing services.

We have been listed as a 'green' service provider continuously since 2001 - the highest attainable standard.

Check NCC Group's NCSC CHECK listing by following the link:

PCI Approved Scan Vendors and PCI Qualified Security Assessor 

NCC Group is a Qualified Security Assessor and an Approved Scan Vendor regulated by the Payment Card Industry (PCI) Standards Council.

NCSC (formerly CESG) Cyber Security Consultancy 

NCC Group is accredited by the National Cyber Security Centre (NCSC) for its Cyber Security Consultancy scheme in the risk assessment and risk management categories. The scheme ensures clients, including those in government and the public sector, have access to expert cyber security advice and guidance.

CESG CIR LogoNCSC (formerly CESG) CIR 

NCC Group is approved by the NCSC to provide cyber incident response services to organisations that have been victims of advanced attacks and those that form part of the critical national infrastructure.


HMG LogoCyber Security Supplier to Government

NCC Group supplies cyber security services to the UK Government and is a member of its Cyber Security Supplier to Government scheme.

CREST Council of Registered Ethical Security Providers 

NCC Group is an active member of CREST, the standards-based organisation for penetration test suppliers aimed at ensuring the very highest standards of leading-edge security testing.

Greater Manchester chamber of commerce memberGreater Manchester Chamber of Commerce

NCC Group is a member of the Greater Manchester Chamber of Commerce.

nmi logoNMI

NCC Group is a member of NMI, a champion for the UK electronic systems and technology industry.




Rail Alliance

NCC Group is a member of The Rail Alliance, the rail sector's largest dedicated B2B networking organisation.




  • SC Awards 2015 Shortlisted
  • SC Awards 2013 Shortlisted
  • IOD Finalist - Director of the Year 2012
  • MEN Finalist - Business of the Year 2012
  • Gartner Cool Vendor Winner
  • Best Performing Listed Firm, Managing Partners' Forum (MPF) European Leadership Awards
  • Rob Cotton - TechMARK personality of the year 2011
  • Best Deal £10-£50 million, EN for Business North West Deals of the Year 2011
  • Paul Vlissidis - Highly Commended, Information Security Person of the Year 2010