Why choose NSI as your certification body?
Why choose NSI as your certification body?
Why choose NSI as your certification body?
Why choose NSI as your certification body?
NSI approval is the most widely recognised and highly trusted hallmark for buyers of security and fire safety services across the UK.
With 50 years’ experience in certification services, NSI approval of over 1800 organisations ranging from independent, local providers to those with national reach provides the highest level of reassurance for buyers and specifiers.
Why become NSI approved?
NSI approval options

Gold
NSI’s premier schemes are designed for companies who meet the industry’s highest technical standards and maintain a commitment to continual improvement with an ISO 9001 Quality Management System.

Silver
NSI's Silver schemes are designed as a stepping stone towards Gold schemes.
It requires companies to meet the same high level of technical competence as the Gold schemes.

NSI: accredited by the United Kingdom Accreditation Service (UKAS)
Recognised by government, UKAS assesses certification bodies against internationally agreed standards, providing assurance of NSI's competence, impartiality and integrity.
Gold approval signifies companies operate an ISO 9001 Quality Management System to ISO/IEC 17021-1:2015 (management systems certification) and compliance with ISO/IEC 17065:2012, sector-specific product certification standards.
ISO 9001 plays a critical part in setting a framework for continuous improvement across the organisation and NSI has long realised the importance of integrating the assessment of the management system with the technical standards, bringing significant benefit to approved companies, and buyers of security and fire safety services.
Silver approval signifies companies compliant with ISO/IEC 17065:2012, sector-specific product certification standards.