Start by contacting us directly:
0800 032 412
info@simplicity.kiwi
Complaints, Simplicity NZ, PO Box 33485, Takapuna, Auckland 0740

Still not resolved?
You can also contact Public Trust, our fund Supervisor, at 0800 371 471 or  cts.enquiry@publictrust.co.nz.

If your complaint isn’t resolved to your satisfaction, you can refer it to Financial Services Complaints Ltd (FSCL) – a free, independent ombudsman service: 0800 347 257 or info@fscl.org.nz.

More details here.