Contact us

Log in to your online account to check your balance, update your details, view your contributions, and access Scheme documents. If you haven't logged in before, you can register here.

For all other enquiries, you can reach us in the following ways:

  • Call Helpline on 0508 IN TANDEM (0508 468 263), or +61 3 868 71831 if calling from overseas. You can reach us between 9am and 7pm Monday to Friday, except for national public holidays.
  • Email westpacstaffsuper@mercer.com
  • Write to us at:

Westpac New Zealand Staff Superannuation Scheme
PO Box 1849
Wellington 6140

Alternatively, you can contact the administrator of the Westpac New Zealand Staff Superannuation Scheme at:

Mercer
20 Customhouse Quay
Wellington 6011
Phone: 04 819 2600