GST 101 - the lowdown on goods and services tax

Starting or running a business in New Zealand comes with a mix of excitement and responsibility. One key aspect every entrepreneur needs to grapple with is the Goods and Services Tax, or GST. Whether you're just sketching out a business plan or already juggling customer orders, understanding GST is essential to staying compliant and keeping your finances on track. Here's a straightforward guide tailored for Kiwi business owners—newbies and seasoned operators alike—on what GST is, how it works, and how to manage it effectively.

What is GST?

GST is a consumption tax applied to most goods and services sold in New Zealand. As of February 27, 2025, the standard rate remains at 15%, a figure that's been steady since 2010. It's a tax you'll encounter whether you're selling coffee, designing websites, or fixing cars. Essentially, if you're providing goods or services, GST is likely part of the equation. The beauty—and sometimes the headache—of GST is that it's collected by businesses on behalf of the government, then passed on to Inland Revenue (IR). As a business owner, you're not just a taxpayer; you're also a tax collector.

Do You Need to Register?

Not every business has to deal with GST right away. You're required to register if your annual turnover—your total sales before expenses—hits or exceeds $60,000 in a 12-month period. If you're below that threshold, registration is optional, but there are reasons you might want to sign up anyway. For example, if you're starting a business that involves significant upfront costs (like buying equipment), registering for GST lets you claim back the tax you've paid on those purchases. This can be a lifesaver for cash flow in those early days.

If you're freelancing or running a side hustle pulling in less than $60,000, you might skip it for now—just keep an eye on your revenue. Cross that line, and you've got 21 days to register with IR. It's also worth noting that some businesses, like taxi drivers or those selling residential properties, have specific rules, so double-check your industry's requirements.

How Does It Work?

Once you're GST-registered, you'll charge 15% on top of your prices for most sales (these are called taxable supplies). If you're quoting $100 for a job, you'll invoice $115, with that extra $15 earmarked for IR. But it's not all take—GST is a two-way street. You can claim back the GST you've paid on business expenses, like rent, utilities, or stock. The difference between what you collect and what you claim is what you either pay to IR or get refunded.

You'll file GST returns periodically—monthly, bimonthly, or every six months, depending on your turnover and preference. Most small businesses opt for bimonthly, balancing regularity with paperwork. Tools like Xero can simplify this, syncing with your bank and spitting out numbers ready for IR's online portal, myIR.

Cash Flow and Pricing Tips

GST can trip up new business owners when it comes to cash flow. That $15 you collect? It's not yours to spend. Set it aside in a separate account so you're not caught short when the return's due. Late payments to IR can sting with penalties—starting at 1% and climbing—so it's worth staying on top of deadlines.

Pricing is another GST wrinkle. If you're GST-registered, decide whether your quoted prices include GST or not, and make it clear to customers. In retail, prices typically include GST (think supermarket shelves), but in B2B dealings, it's common to quote excluding GST, then add it on the invoice. Clarity here avoids awkward conversations later.

Common Pitfalls to Avoid

One trap is forgetting what you can and can't claim. Business lunch with a client? Claimable. Your personal grocery run? Not so much. Keep receipts and track expenses diligently—IR loves a paper trail if they come knocking. Another hiccup is misjudging your turnover. If you're nearing $60,000, register proactively rather than scrambling after the fact.

Why It's Worth the Effort

GST might feel like a chore, but it's a sign your business is growing. Registering can also make you look more legit to bigger clients who expect GST invoices. Plus, claiming back GST on expenses can free up cash for reinvestment—think new tools, marketing, or that extra staff member you've been eyeing.

Getting Started

Head to Inland Revenue's website (ird.govt.nz) to register—it's free and mostly online. Chat with an accountant if numbers aren't your thing; a good one will save you more than they cost. And lean on local resources—Chamber of Commerce workshops or Business.govt.nz have practical advice tailored for Kiwis.

GST isn't here to scare you off—it's just part of the game. Master it, and you're one step closer to building a business that thrives in New Zealand's unique market. So, whether you're dreaming up a startup or steering an established venture, take GST in stride. It's your ticket to playing by the rules and keeping the wheels turning.

The information provided in this article is general in nature and intended for informational purposes only. It should not be considered professional advice. For specific guidance tailored to your business, please consult a qualified professional.