0203 930 0702

SIA Approved

Application guide

Application guide

Before you start please ensure you have the following information and documents ready.

To complete the application form you will need the following information:

  • Your personal details
  • The last 5 years of your address history
  • UK Bank details
  • Emergency contact details
  • Full five year verifiable work or education history. (Name of school or employer, address, phone number or email address.)
  • 2 personal references (Name, address, phone number or email address, occupation)


You will need to upload the following documents:

The following are mandatory:​

  • Proof of identity (Passport, driving licence, birth certificate. Must be in date and valid)
  • 2 X Proof of address (Utility bills, bank statements)
  • Bank statement
  • NI verification (National insurance number)

The following are optional, However if you are applying for an SIA Role you must submit your SIA licence.


  • CRB Screening (If you have one)
  • Your SIA License card (If you have one)
  • Medical history (If you have access)

Click Below for the full list of accepted documents for each section:

If you are selected for an interview please bring all of your documents with you.
Original copies, not scans or photo copies for verification and the vetting and screening process. If you require further assistance please call out office on 0203 930 0702

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Welcome to N5 Security! Please leave your details so we can respond to your enquiry as soon as possible, even if you are no longer on the site. Alternatively please call our office/control desk on: 0703 930 0702 OR Email us at: We will be in touch soon, Many thanks