Ministry of Defence
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National security vetting

Defence Business Services National Security Vetting (DBS NSV) is the main UK government provider of security clearances.

In 2011 the Defence Vetting Agency became the Defence Business Services National Security Vetting and is currently considered with its FCO counterpart (FCO Services) as the single provider of NSV to the whole of government (excluding the intelligence agencies).

DBS NSV is the UK’s largest government organisation carrying out national security vetting and the only government organisation whose core business is security vetting.

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