United Kingdom Security Vetting
Security Vetting
- I need to apply for a national security clearance
- I need to sponsor a national security clearance
- Applicant: How to use the online portal
- Sponsor: How to use the online portal
- Referees, Hiring Managers, Contractors and Consultants
- United Kingdom Security Vetting: Clearance Levels
- National Security Vetting: forms and guidance
- Existing clearance holders
- Vetting explained and our vetting charter
Featured
7 August 2026Guidance
United Kingdom Security Vetting: Contact Us
United Kingdom Security Vetting (UKSV) is the main UK government provider of security clearances.
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31 October 2025Guidance
Vetting explained and our vetting charter
An overview of what the vetting process involves and your responsibilities when you apply for and hold security clearance.
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7 October 2022Guidance
Demystifying Vetting
These short videos address common concerns and preconceptions which applicants may have about national security vetting.
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22 March 2021News story
New vetting charter published
The Cabinet Office has published a new vetting charter, which explains what to expect during the vetting process and the responsibilities of applicants and clearance holders.
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17 June 2026Form
UKSV National Security Vetting: change of personal circumstances
Guidance for submitting a Change of Personal Circumstances (CPC) form to UKSV. Only for use by holders of a current DV, SC, Level 1B or CTC security clearance.
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23 March 2022Guidance
Obtaining personal information held by UKSV
Data held by UKSV will relate to applicants for positions or contracts where a requirement for vetting was or has been identified by the sponsor and the process commenced.
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Latest from United Kingdom Security Vetting
What we do
United Kingdom Security Vetting (UKSV) is the single government provider of National Security Vetting (NSV). We are the centre of excellence for security vetting and enable government to protect citizens and provide vital public services, by understanding and managing personnel security risks.
UKSV is part of the Cabinet Office.
Documents
Contact UKSV
UKSV Helpdesk
Building 107
Imphal Barracks
Fulford Road
York
YO10 4AS
United Kingdom
When contacting us sponsors are required to identify themselves by their sponsor ID. ASI/VSI information can only be discussed with registered sponsors that have NSVS sponsor accounts.
If you have forgotten your sponsor ID or you have registered for an account but not received your sponsor ID yet, please contact our Helpdesk. You will be asked a number of questions to establish your identity. Once your identity has been confirmed we will inform you of your sponsor ID.
If you have not registered for an account please contact your authorising body or DSO. If you are MOD, a list of authorising bodies can be found on the Defence Net / UKSV Team site / Departmental Security Authorities link. Other government department sponsors should contact their DSO.
If you are an applicant of security vetting, you will be required to provide us with your full name and date of birth from which we will be able to locate you on our system and you will then be asked further security questions. Failure to pass the security questions will result in your request being refused.
Make a Freedom of Information (FOI) request
- Read about the Freedom of Information (FOI) Act and how to make a request.
- Check our previous releases to see if weve already answered your question.
- Make a new request by contacting us using the details below.
Freedom of information requests
70 Whitehall
London
SW1A 2AS
United Kingdom