GST basics for a new New Zealand business

GST is one of the first pieces of admin a new business meets. It’s not complicated once the shape of it clicks.

When you have to register

You must register for GST once your turnover passes $60,000 in any 12-month period — or when you expect it to. Below that, registering is optional. It can be worth it if you buy a lot of GST-inclusive stock or equipment, but it also means adding 15% to your prices, so it’s a judgement call.

How it actually works

You’re really just a collector. You add 15% GST to what you sell, and you claim back the GST on what you buy for the business. Each period you pay IRD the difference:

  • GST collected on sales
  • less GST paid on expenses
  • = what you pay (or get refunded)

Our GST calculator does the add-and-remove arithmetic for you.

Filing frequency

Most small businesses file every two or six months. Six-monthly is gentle on admin but means larger, less frequent payments; two-monthly keeps things current. Pick the rhythm that suits your cashflow.

Three habits that keep it easy

  1. Separate the GST as it lands. Treat the GST portion of every sale as money you’re holding for IRD, not income.
  2. Keep your receipts tidy. You can only claim GST you can evidence. Software like Xero or MYOB makes this almost automatic.
  3. Don’t leave the return to the last day. Reconcile as you go and the return becomes a five-minute check, not a scramble.

Not sure whether to register, or which filing frequency fits? That’s a good first question for a complimentary intro call.

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