How to sign up

We’re thrilled you’re looking to use Westpac One®.

If you already have access to Westpac online banking, simply log in to Westpac One using your existing Customer ID and password.

Log in to Westpac One now

New to Westpac online banking?

You need to be a Westpac customer to use Westpac One. Sign up to Westpac One by:

  • calling us on 0800 400 600 (7am to 11pm, 7 days a week) and we'll sort it out over the phone, or
  • calling +64 9 912 8000 if you’re overseas (international toll charges apply), or
  • visiting us at any Westpac branch.

Are you a Phone Banking customer?

Just log into Westpac One using your Phone Banking ID and password to set up your profile and Online Guardian security settings. You will be prompted to create your challenge questions, you can skip these three times but will be then be prompted to completed these on your forth visit. If you forget these at any point, you can edit them via your profile but will first need to contact us to get them reset.

We can’t wait to have you on board. We’re sure you’ll love the freedom Westpac One gives you.