Join online

It will take you just a few minutes to complete the online application form to join Mercer FlexiSaver.

What you're going to need:

  • Your full legal name
  • Your residential address
  • An email address
  • Your IRD number
  • Your driver's licence number (for verification of your identity)

Make sure you've read and understood the product disclosure statement and the important information below.

You need to be 18 or older to join online. Call us on 0508 637 237 to learn more about applying if you're under 18.


The product disclosure statement

The product disclosure statement contains detailed information about FlexiSaver and its features, and also Mercer. By applying online, you're agreeing to get a copy of the product disclosure statement electronically.

Providing your IRD number

You'll need to provide your IRD number, to ensure we can apply the correct tax rate to your investment earnings.

Selecting investment options and your tax rate (PIR)

When applying to join online you will need to choose which investment option(s) your funds are invested in. You will need to provide your tax rate. You can do this after you've received your member number, which will be sent to your email address. You will need to sign into your account from the home page of this website in order to select your PIR.

Complete the paper application form

If you don't want to join online, the application form to join FlexiSaver is at the back of the product disclosure statement. Complete the form and post it back to us. No stamp is required.

Mercer FlexiSaver
Freepost Authority Number 3629
PO Box 1849
Wellington 6140

What next?

Once we've processed your application to join we'll contact you with all the information you need to sign in to the FlexiSaver website and manage your investment.

Need assistance?

Call us on 0508 637 237, 9am - 7pm, (or leave us a message and we'll call you back) if you have any questions about joining FlexiSaver.

Toll free: 0508 MERCER (0508 637 237)
From overseas: + 61 3 8306 0971
9.00am - 7.00pm

Monday - Friday (NZST/NZDT)

Write to us:

Mercer NZ, PO Box 1849
Wellington, New Zealand 6140

Commercial Bay

PWC Tower, 15 Customs Street West,
Auckland, New Zealand 1010
0508 637 237

Get directions