ISI

  • Sentinel House, 5 Reform Road, Maidenhead, SL6 8BY, United Kingdom (UK)
  • +44 (0) 162 863 7512
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About ISI

The Inspectorate of the Security Industry (ISI) was formed in 1992 to offer a voluntary inspection regime for the manned security sector. ISI and NACOSS merged in 2001 to create a unified inspectorate - NSI, covering all elements of the security industry, with the goal of creating a one-stop-shop for the benefit of customers and suppliers alike.

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