We’re not your average accounting firm.
MORE THAN ACCOUNTING & TAX
We know that you get more from your accountant when you’re talking about more than accounting and tax. We’ve got an in-depth understanding of your financial situation – it’s our responsibility to use that to help you build both your business and wealth.
WE STARTED FROM SCRATCH
Convex Accounting was founded as a start up literally from the boot of a car. The journey has taken us through hiring, firing, landlords, doing things wrong, improving performance, cashflow crunches, and failed experiments. We know what you’re going through.
WE ALL COME FROM BUSINESS BACKGROUNDS
We’ve all either run our own small businesses now or in the past, have rental properties or have grown up around the dinner table with parents who are self-employed. This means we know the pressures you face – staff, cashflow, pricing, all while keeping an eye on the next opportunity around the corner.
Our Fantastic Team

Hamish Mexted
All of my family are self-employed. I grew up watching them talk about cashflow, staffing, sales and profitability. I founded Convex Accounting in 2011 to help people like my family, and to at the same time challenge the stereotype of the dull, cardigan-wearing accountant.
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Riann Umaga-Marshall
I joined Convex Accounting back in early 2015 when operating out of an office on the Terrace. After time away from public practice I was ready to jump into a progressive company unafraid of change and prepared to move in the new and evolving accounting space.
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Eugenie Jones
Convex Accounting’s tight-knit family environment is what drew Eugenie in to working with us.
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Charlotte White
Charlotte joined the team in 2017, with previous experience in a large accounting firm. She was looking for an environment where she could work directly with smaller clients to improve their businesses and structure their tax.
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Keitha McClure
Few people can say that they genuinely love their job, but I can. I really enjoy working with our varied and growing client base. I particularly like working with startup businesses. Assisting them to grow and be successful is extremely satisfying.
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Ashlee Tambour
I joined Convex this year (2018) I previously worked as a bookkeeper dealing with the day to day activities of businesses. I love bookkeeping but I think accounting gives me the opportunity to further my knowledge that little bit more!
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Siaosi Mafi
Siaosi’s biography is coming soon, but in the meantime feel free to drop him an email – siaosi@convexaccounting.co.nz.

Lavana Halliday
Lavana’s biography is coming soon, but in the meantime feel free to drop him an email – lavana@convexaccounting.co.nz.

Tamsyn Murray
Tamsyn came to Convex Accounting to work in a small business with strong culture. She (truth be told) basically runs the ship, making sure deadlines are met, customers are exceedingly happy and Hamish is kept in order.
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What our clients say
Why you should work with us
OUR PHILOSOPHY
We know you get the best advice when you’ve got a team around you. We’re driven to surround you with the best accountants, brokers and bankers, meaning nothing falls through the gaps.
WHAT WE DO BEST
Our own experiences help up to relate to you and what your dealing with. Couple this with clever technology and you get a team who can respond faster and deliver more.
OUR VALUES
We’re only as good as our people – continual training means they deliver consistently. They’re upfront with pricing, the advice they deliver and how they support their clients.

