The original tax pooling pioneers

As New Zealand’s first tax pooling intermediary, we’ve earned our reputation for trusted advice through years of experience and practical expertise. IRD approved, we help businesses manage their cashflow and tax payments the easy way. Let’s get started.

Smarter tax made simple

IRD Approved

TMNZ are IRD registered and the industry leaders

Flexible Payment

Pay provisional tax when it suits your business cashflow

Save Cost & Time

Save up to 30% on IRD interest by paying through TMNZ

Trusted Systems

We use the highest security standards so your funds are in safe hands

Expertise & Service

Fast and friendly advice from a dedicated team of experts

Innovative Solutions

Manage your provisional tax payments online

How we can help

Pay provisional tax

When it suits your business while reducing interest costs and penalties

Reduce risk on overpaid tax

Reduce tax liability risk and potentially earn more interest.

Reduce tax audit costs

And save up to 30% on IRD interest for reassessed tax


The Business of Tax podcast

Better time management and productivity for tax agents with Robyn Pearce


We’ve rounded up a group of experts in their field. They’re here to inspire, educate, and inform you on your business and tax.

Do you work for an accounting firm and manage taxpayer clients?

We can help you and your clients do tax on their terms

We keep businesses moving

As New Zealand’s leading tax pooling provider, no one understands provisional tax better than TMNZ. With the largest and most established tax pool in New Zealand, TMNZ is the industry innovator, providing the best service and best flexibility to our customers.

Our clients include thousands of small- and medium-sized businesses as well as some of New Zealand’s largest banks, state-owned enterprises and well known corporate names.

TMNZ is used by more businesses and accounting firms than any other tax pool


Taxpayers helped throughout New Zealand


Million in IRD compliance
costs saved

TMNZ Premium Partner Accounting Firms

TMNZ is trusted by many accounting firms throughout New Zealand and is the first choice for providing tax pooling services.


What customers say about TMNZ

Latest news and updates

Why do some companies fail while others prosper?

Why do some companies fail while others prosper? 1200 630 Colin Kennedy

“It’s a funny market,” according to one business owner. “Some businesses I know are thriving, while others in the same industry are struggling just for cashflow.” The truth is that perhaps it is less a ‘funny market’ and more symptomatic of the type of market we have here in New Zealand and, importantly, how we…

Taxing times: Are you facing a cashflow crisis in April and May?

Taxing times: Are you facing a cashflow crisis in April and May? 1200 600 Lee Stace

Tax represents cash and for all businesses, cash is king – especially in April and May. After all, Inland Revenue (IRD) is expecting two tax payments over these months. The first is due tomorrow (7 April). That’s called terminal tax. If you did not pay enough tax during the 2019-20 income year, you will be…

Becoming a low-emission business with Thankyou Payroll

Becoming a low-emission business with Thankyou Payroll 1013 551 Lloyd Evaroa We sat down with Christina Bellis, CEO at Thankyou Payroll, to discuss the journey to become low-emission. We’ve placed the timestamps for you to watch and review below. 00:36 Explaining Thankyou Payrolls operating model 01:30 Becoming a low-emission business 03:00 The data. Why we should be focussed on low emissions 06:00 We can fix…

Partnership with ATAINZ

Partnership with ATAINZ 1024 538 Lloyd Evaroa

March 29, 2021 — Tax Management NZ today announces a partnership with The Accountants and Tax Agents Institute of New Zealand (ATAINZ). The partnership will advance TMNZ’s ambition to accelerate the adoption of tax pooling solutions amongst taxpayers who would benefit from genuine provisional tax flexibility. In addition, TMNZ is announcing plans to commence offers and opportunities…