Should You Register for GST Early? The Answer Could Save or Cost Your Business

Registering for GST early can be a smart move, or an expensive extra layer of admin. If you are likely to reach $60,000 turnover within 12 months, have sizeable purchases coming up or mainly sell to GST-registered businesses, registering early may pay off. Otherwise, waiting could be wiser.

Why does the right GST timing depend on your business?

Ask three business owners whether you should register for GST early and you may get three different answers.

One person will tell you to register immediately so you can “claim everything back”. Another may say to avoid GST for as long as humanly possible. Someone else will insist that registering makes your business look more professional.

The trouble is, advice that suits one business can be completely wrong for another.

GST registration is not a badge of honour and it is not something to avoid at all costs. It is a practical business decision that affects your pricing, cashflow, paperwork and responsibilities with Inland Revenue.

The real question is whether registering early makes sense for the business you are actually running.

When do I have to register for GST in New Zealand?

You must register for GST if you are carrying on a taxable activity and any of the following apply:

• Your turnover was at least $60,000 during the last 12 months

• You expect your turnover to be at least $60,000 during the next 12 months

• You start adding GST to the prices of the goods or services you sell

Once one of those applies, whether GST feels worth the admin is no longer part of the decision. Registration is required.

The GST registration threshold is based on turnover, not profit. It is also based on a rolling 12-month period, not the financial year.

That last bit catches plenty of people out. You might not earn $60,000 between 1 April and 31 March, but you could still reach it between August and July.

Keeping an eye on your turnover as you go is much easier than discovering six months later that your GST registration should have started back in February.

Can I register for GST before reaching $60,000?

Yes. You can choose to register voluntarily while your taxable turnover is below $60,000.

But being allowed to register does not automatically mean you should.

Ask whether you will have much GST to claim, whether registration is likely soon anyway, how GST will affect your prices and whether you are ready for the ongoing returns and record keeping.

Early GST registration can be a sensible move. It can also create a surprising amount of admin for a business that is still finding its feet.

The registration form will not ask whether the decision suits your margins, customers or plans. That part is up to you, ideally with advice that has seen your actual figures and not just heard about them over a coffee.

What are the benefits of GST registration?

The main drawcard is being able to claim GST on eligible business purchases and expenses.

That can be particularly helpful when your start-up shopping list includes a vehicle, tools, machinery, equipment or stock.

Registering early can also help keep your pricing, invoicing and bookkeeping consistent from the start.

There is one important reality check, though.

GST refunds are useful, but GST is not a rewards programme.

Once you are registered, you must charge GST on taxable sales, file GST returns, keep suitable records and pay any GST owing. The GST sitting in your bank account is not extra income. Giving it a separate bank account is often a very good move.

When does registering for GST early make sense?

Registering early often makes sense when you are likely to reach $60,000 turnover within the next 12 months, have sizeable business purchases coming up or mainly work with GST-registered businesses.

In those situations, it can be easier to let your GST setup grow with the business rather than have it chasing along behind once things get busy.

Take a new tradie buying a work vehicle, tools and equipment, with contracting work already lined up.

They may have plenty of eligible GST on their set-up costs and reach the threshold quickly. Waiting could mean changing the pricing, invoices and bookkeeping once the tools are out and jobs are rolling in.

Just be careful as one large purchase is not enough reason on its own, though. A shiny new ute does not automatically make GST registration the right move. You still need to be genuinely carrying on a business. The purchase needs to relate to that taxable activity and any private use may need to be accounted for. If a big spend is on the horizon, sort the GST timing first and save yourself a paperwork puzzle later.

How do my customers affect GST registration?

Who pays your invoices can change whether early GST registration stacks up.

GST is a consumption tax, so the cost is generally passed on to the end customer. That is why two businesses with the same turnover and expenses can reach different GST decisions depending on who they sell to.

What if most of my customers are GST-registered businesses?

Early registration often makes more sense when your customers are GST-registered businesses too.

A GST-registered customer may generally be able to claim the GST on your invoice when the purchase relates to their taxable activity, so it may have less impact on their final cost.

In some sectors, a GST invoice is simply part of the furniture.

Just remember, a customer cannot decide you are GST registered for you. We often see contractors told to “add GST” before their registration is confirmed. That one small line brings filing, record-keeping and payment obligations with it, and those stay with you even if someone else prepared the invoice and gave it a confident “she’ll be right”.

What if I mainly sell to the public?

GST is more likely to affect your pricing when you sell to the public because your customers cannot claim it back.

If you sell something for $100, you could raise the price to $115 after registering. Or keep charging $100, but your GST-exclusive sale would then be $86.96.

Neither option is automatically wrong. You need to know which one your margins and customers can handle.

When is it better to wait before registering for GST?

Waiting may be smarter if you are unlikely to reach $60,000 soon, have few business expenses and mainly sell to the public. In that case, registering early could bring more paperwork than payoff.

You may be better off holding fire when:

• You are unlikely to reach $60,000 within 12 months

• You have few GST-bearing expenses

• Most customers are members of the public (rather than a business)

• Your market is price-sensitive

• You are still testing whether the idea is viable

A genuine side hustle can still be a business. An intention to make a profit is part of the picture, rather than simply recovering the costs of a hobby.

Imagine someone working full time who sells 3D-printed toys and gadgets at markets and events.

They are making a genuine profit, but turnover is unlikely to rise much beyond $30,000 or $40,000 a year. They could register voluntarily, but the extra admin and pricing pressure may outweigh the GST they can claim.

That could change if they go full time or invest in more equipment.

GST decisions are not carved in stone. As the business changes, the answer can change too.

Can registering for GST too early cost me money?

Yes. If you register but do not adjust your prices, GST comes out of what you were already charging. That can be quite a haircut if your pricing was tight to begin with.

Registration can also create extra bookkeeping work, software costs or professional fees. That may suit a growing business but not an activity that may never get properly underway.

You do not need every possible piece of business administration on day one. You need the pieces that make sense for where the business is now and where it is realistically heading.

Can I charge GST before I am registered?

No. You cannot add GST to invoices because you plan to register later or because a customer has asked you to include it.

If GST has already been charged while you were unregistered, your registration may need to be backdated. That can mean revisiting old transactions, preparing earlier returns and potentially dealing with interest or penalties.

A couple of years later, the GST income finally waves hello from the records and we have to retrace the paperwork.

Better to make sure the registration is live before GST gets anywhere near the first invoice.

How should I set my prices before GST registration?

If GST registration is likely, set your prices so they will still work once GST joins the picture. Start as you mean to continue.

If your service needs to earn $1,000 before GST, the registered price would need to be $1,000 plus GST or $1,150 including GST. Keeping the total price at $1,000 would leave $869.57 before other expenses.

It is usually better to review your rates, costs and margins than deliberately turn away work to remain under the threshold.

How do I get a GST number in New Zealand?

You can apply for GST registration online through myIR, or we can complete the registration for you.

The online form is not usually the difficult part. Making sure registration is right for your business and choosing the correct setup is where advice adds value.

What documents are required for GST registration in New Zealand?

There is no standard set of supporting documents listed for the online application. Instead, Inland Revenue asks for information about your business, including:

• Your IRD number

• Bank account details for GST refunds. If the account is new to myIR, it may need to be added after registration.

• Your actual turnover for the last 12 months

• Your expected turnover for the next 12 months

• Your Business Industry Classification code

• Your GST accounting basis

• Your GST filing frequency

  
  

Inland Revenue may contact you if it needs more information.

You will also need to choose a registration start date, accounting basis and filing frequency. These decisions can affect your cashflow and workload, so this is not the ideal form for a few hopeful clicks.

Xero can process the information entered, but it cannot decide whether your setup or transactions are correct.

What should I ask myself before registering?

Before registering, run your business through these six questions:

• Am I genuinely carrying on a business?

• Will I reach $60,000 within 12 months?

• Who are my customers and what is normal in my industry?

• How will GST affect my prices and margins?

• What significant purchases are coming up?

• Can I manage the ongoing GST admin, or will I need help?

  
  

That gives you a much clearer steer than watching the $60,000 mark like a hawk.

So, should I be GST registered?

If you expect to reach $60,000 turnover within 12 months, have significant purchases coming up or mainly sell to GST-registered businesses, registering early will often make sense.

If growth is likely to be slow, expenses are low and most customers are members of the public, waiting may be better.

GST registration is not one size fits all. The right answer is sitting in your own numbers, not in somebody else’s business story.

Still on the GST fence? Give us a call on 09 431 3068 or email support@mytwocents.nz and we can help you work out which side makes the most sense for your business.

This article provides general information for New Zealand businesses and is not personalised tax advice. GST rules and the right registration approach depend on your circumstances.

---

About the Author

Haley Reyners is the founder of My Two Cents Accounting & Advisory and a Certified ICNZB Master Bookkeeper® — one of the highest recognitions in New Zealand’s bookkeeping profession. With over 20 years of experience, she’s passionate about helping small business owners find clarity, confidence, and calm in their finances. Haley leads her team with personality and purpose, breaking down complex accounting talk into everyday language that makes sense.