Find an NSI Approved Company
Look out for the NSI hallmark
It’s the most widely recognised mark of approval in security and
fire safety. NSI approval tells you the company is:
Technically Competent
Working to International and British Standards and NSI Codes of Practice, teams have relevant technical experience
Professional
Gold approval - operating a Quality Management System to ISO 9001 and NSI Quality Schedules
Trusted
Reputable Directors & leaders with relevant business experience and effective employee security screening
Over 2000 approved companies subject to annual NSI audit.
Over 2.75 million Certificates of Compliance for security and fire safety installations issued by NSI approved companies.
National Network of expert security and fire safety auditors.
Latest news
20th Dec 2021
Season's greetings to #NSIapproved companies and all those working in the security and fire safety sectors! From all at NSI, we wish you a safe Christmas and a happy, healthy New Year. NSI will be closed over the festive period from 25 December 2021 - 3 January 2022 inclusive. https://t.co/TagWr5UlTB
20th Dec 2021
Congratulations to NSI's newly approved companies who achieved approval in November 2021. A fantastic achievement, demonstrating their commitment to high standards and reassurance for their clients. More: https://t.co/VTY8VpA41N
#NSIapproved #RaisingStandards https://t.co/liC1AEWTWQ
14th Dec 2021
The Standard recognises evolving technology and introduces a number of key changes
Read More
1st Dec 2021
Read the latest instalment by Richard Jenkins, NSI Chief Executive, in Security Matters magazine
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Find an NSI approved company