Our customers include:

We're helping Disaster Prepare with their accountingWe're helping THL with their accountingWe're helping Alpha with their accountingWe're helping La Cloche with their accountingWe're helping Chiro Balance with their accountingWe're helping Cuisine 360 with their accountingWe're helping Flight Group with their accountingWe're helping MSO Design with their accountingWe're helping Key Commercial with their accountingWe're helping Goldings Free Dive with their accountingWe're helping Goldings Free Dive with their accounting

Call it a 7-year-itch, but after 7 years we’ve (finally?) realised that iif wasn’t that good a name. So, to fix it we’ve rebranded. Don’t worry – nothing other than our name is changing.

-For more, checkout iif.co.nz/convex, or convexaccounting.co.nz

The Numbers

The accounting work and tax advice you’d expect of us, plus clever tech to streamline your business.

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Build Your Business

Accounting Strategy

A plan to guide your business growth, taking customers from business from start up through to maturity and exit.

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Create Wealth
Accounting Wealth

Unlock the value in your business, create other sources of wealth, and protect it for your family’s future.

Read more

Our favourite apps & partners include

Some of the people we work with or are endorsed by include:

We use and support WorkflowmaxWellington Gold AwardsWe're Chartered Accountants

Unlimited Support

Your accounting team on call to coach you through your plan

Detailed Planning

Growing wealth through a plan gets results.

Up-Front pricing

Fixed, customised pricing options to work with your budget.

Tech made simple

Real time collaboration with you and your other advisors

What to expect

We know changing accountants can seem like more hassle than it’s worth – you may think we’re all the same, and the devil you know is better than the one you don’t.

Rest assured, we’re different, and we make the change as simple as possible (we’ll even break up with your old accountant for you). Yes, we may ask a few extra questions to get everything sorted, but long term you’ll be in safe hands and walk away with a Financial Blueprint for your business.

Find out how to change accountants


We’ve built a collection of resources to help manage your cash, increase your profits, build personal wealth and more.

Check out the resources here
Accounting FAQ

These are the questions we find we get asked the most, with quick and easy answers.

Click here to view
Selling your business
Selling your business?

In 5 weeks, learn how to maximise the value of your business and successfully sell it.

Enter your details here
Chartered Accountant resources
eBook Downloads

We’ve written several eBooks which offer a range of helpful financial tips and guidelines.

Click here to view
Accounting Blog
Blog & Business Updates

Our take on what’s happening in the world of business and tax.

Click here to view

About us

Our philosophy is based on collaborating with you, your family, and your professional advisors on your financial health. In our experience, the best outcomes are achieved when everyone is on the same page and going the same direction

We’ve grown from a one-person startup to now help hundreds of customers through the ups and downs of business to create a plan for their futures.

Find out more about what makes us tick (tip – it’s coffee and wine), and changing accountants on the links below.

We’d love to hear from you

Whether you’d like to schedule an appointment, grab a coffee, or ask a quick question about tax or growing a business, we’d love to hear from you.
04 212 4977
[email protected]
Wellington: Zephyr House, Level 4, 82 Willis Street
Porirua: Level 1, 13 Marina View, Mana
PO Box 10690, The Terrace, Wellington 6143

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