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Using this site

To have the best experience on our website and when using Internet Banking, your computer should have one of the following operating systems and web browsers installed on it:

You can use any of the following operating systems:

  • Windows 7, 8.1, 10 or
  • MacOS/OS X 10.9+

You can use any of the following web browsers:

If you don't have any of these web browsers, it's easy to download and install one. Go to any of the linked sites and follow the instructions.

If you are unable to install any of the above browsers on your computer, some basic services and functions can be accessed on any browser by logging into

Internet access

We recommend a broadband or high-speed internet connection. A dial-up connection may mean that you notice degradation in the performance.

Other settings

For optimal BNZ website use or Internet Banking, check your browser settings or internet options match the below:

  • Cookies - enabled
  • Session cookies - enabled
  • Pop-up windows - enabled
  • JavaScript - enabled

If your settings don’t meet these minimum requirements, we recommend you upgrade. Alternatively, you can access our Telephone Banking services on 0800 24 00 00.

Call us on 0800 ASK BNZ (0800 275 269) if you need any help.

Why do I need session cookies?

Session cookies are a security feature, one of a number used by us, to ensure that your information is kept confidential. Session cookies only stay on your computer for the duration of your session.

Firewall and anti-virus software

We also recommend you install a personal firewall and anti-virus software on your computer. Update the software’s virus definitions frequently.