Do tax on your terms

Tax Management NZ (TMNZ) offers a smarter way to pay your provisional tax, so you can manage your cashflow, save time and reduce expenses. We call it tax on your terms.

Here’s why we’re the preferred choice for so many New Zealand businesses

Save Cost & Time

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

Flexible Payment

Pay provisional tax when it suits your business cashflow

IRD Approved

TMNZ are IRD registered and the industry leaders

Trusted Systems

Following the highest security standards with Guardian Trust

Expertise & Service

Fast and friendly advice from a dedicated team of experts

Innovative Solutions

Manage your provisional tax payments online

How can we help you?

Pay provisional tax

When it suits your business while reducing interest costs and penalties

Maximise tax deposits

So you can earn more while reducing liability risk.

Reduce tax audit costs

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

Claim donation rebates

And give more to charity with Smart Donation

Do you work for an accounting firm and manage clients who pay provisional tax?
We can help you and your clients do tax on their terms

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

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 innovator providing the best service and best flexibility.

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.


Taxpayers helped throughout New Zealand


Million in IRD compliance
costs saved

Our latest content

Setting up a 2018-19 income year payment plan with Flexitax

Setting up a 2018-19 income year payment plan with Flexitax 1200 630 Lee Stace

Many of your clients will pay their first instalment of provisional tax for the 2018-19 income year on 28 August. As such, now’s an opportune time to mention Flexitax as you discuss tax planning and cashflow management with them. We recommend using this to set up a provisional tax payment plan for the 2018-19 income…

Tips for paying 28 August provisional tax

Tips for paying 28 August provisional tax 1200 630 Lee Stace

Are you due to pay 28 August provisional tax? For many businesses, this will be their first instalment of provisional tax for the 2018-19 income year. It’s important to stump up what you owe on this date. IRD won’t hesitate in charging steep interest of 8.22 percent and late payment penalties if you don’t. Below…

IRD payment plan alternative

IRD payment plan alternative 1200 800 Lee Stace

Barbers and Merchants owner Josh Monaghan has a message for provisional taxpayers contemplating entering an IRD payment plan: There’s a better option. It’s Tax Management NZ (TMNZ) – and it’s who he turns to when needing more time to pay his provisional tax. Like many small businesses owners, managing Barbers and Merchants’ cashflow can be…

Accounting income method: Pros and cons

Accounting income method: Pros and cons 765 450 Lee Stace

The accounting income method (AIM) is certainly generating plenty of chatter among small business owners. Last month, we provided a detailed analysis on IRD’s new provisional tax payment method that was, er, aimed (forgive the pun) at accountants. Below we offer a simplified list of the pros and cons of AIM. These are the things…