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

Being the better leader for tax agents with Allison Mooney


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

IRD payment allocation rules explained

IRD payment allocation rules explained 1200 630 Lee Stace

Provisional tax payments made on or before the date of the final instalment for the year are applied to the oldest overdue tax amount first while payments made after the date of the final instalment are applied to the interest owing on any overdue tax first, then the overdue tax amount. The IRD payment allocation…

Don’t forget tax pooling as IRD targets residential property

Don’t forget tax pooling as IRD targets residential property 1200 630 Lee Stace

Tax pooling can reduce the interest cost by up to 30 percent and eliminate late payment penalties if someone owes additional tax for failing to declare property transactions captured under the bright-line test. An approved provider of the service such as Tax Management NZ (TMNZ) can help with income tax that arises from residential property…

Are these two common business traditions losing you money?

Are these two common business traditions losing you money? 1200 630 Colin Kennedy

The practice of throwing coins into a fountain – to invoke the favour of the gods – is so widespread that in some places they have notices asking the public not to toss coins into the fountain because it’s terrible for the fish. There are some modern business practices that amount to the same thing.…

Back to the office? Not as you know it

Back to the office? Not as you know it 1200 630 Colin Kennedy

Fresh out of lockdown in 2020, a lot of New Zealand companies were talking ‘working from home as the new normal’, but it hasn’t exactly worked out that way, and a remote workforce is looking increasingly unlikely – or is it? In July 2020 there were reports that the Auckland CBD economy would collapse due…