International classified information: personnel security clearance

Guidance and supporting forms for international organisations and partners to obtain security clearance for UK nationals working with international classified information.



International partners and companies should use this guidance when they need to obtain a Personnel Security Clearance (PSC) for a UK national requiring access to international classified information (at the level ‘Confidential’ or above).

Published 4 April 2014
Last updated 2 August 2018 + show all updates
  1. Attachments updated to reflect the introduction of GDPR
  2. Updated guidance and applications.
  3. Updated attachments
  4. Guidance document updated.
  5. First published.