Joining NS&I

  • Your NS&I number

    The ID number you'll need to log into your account.

  • How to create your password

    The rules for creating your NS&I password.

  • Saving with us if you live outside the UK

    If you have a UK bank account, you may still be able save with us.

  • Documents that prove your identity and address

    How we check your identity and the documents we might need to see.