---
title: "Do you need an ABN to sell on Shopify?"
description: "You don't legally need an ABN to sell on Shopify, but the ATO's 47% withholding rule and gateway checks make one essential beyond hobby scale. Free, 15 minutes."
date: 2026-09-14
lastUpdated: 2026-09-14
author: "Chloe Marsden"
url: https://aussiestoreguides.com/abn-to-sell-on-shopify/
site: "Aussie Store Guides (aussiestoreguides.com)"
language: en
---

# Do you need an ABN to sell on Shopify?

![Sunlight illuminates a wooden table holding a wrapped parcel, payment terminal, yellow tags, paperwork, and a grey potted plant.](https://aussiestoreguides.com/images/abn-to-sell-on-shopify-cover-1200.webp)

> **The short answer:** No law says you must have an ABN to open a Shopify store. But if you're running a business rather than clearing out the spare room, get one before your first sale. It's free, takes about 15 minutes through the Australian Business Register, and you'll receive your 11-digit number immediately if the application is straightforward. Without one, the ATO requires payers to withhold 47% from payments over A$75 when you can't quote an ABN. Mainstream gateways like Shopify Payments also ask for business verification that's hard to pass without one. GST registration becomes compulsory at A$75,000 in annual turnover, and you must have an ABN before you can register for GST.

Most people asking this aren't trying to dodge paperwork. They want to test the water, sell a few items, and sort out registration if the store works out. Fair enough. The answer turns on two things: the ATO's definition of "carrying on a business" and what your payment gateway accepts at onboarding.

If you're setting up a store for the first time, our [Shopify Australia: set up your store step by step](https://aussiestoreguides.com/shopify-australia-setup-guide/) guide covers the platform side. Heads up: this guide uses Shopify affiliate links. Sign up through one and we are paid a commission, and you pay exactly the same as you would otherwise. You can start at [Shopify Australia](https://shopify.pxf.io/WOzLvA?subId1=aussiestoreguides.com&u=https%3A%2F%2Fwww.shopify.com%2Fau). For a broader overview, [What is Shopify, and how does it work in Australia?](https://aussiestoreguides.com/what-is-shopify-australia/) explains the local picture.

Shopify plans, pricing and features change; always verify the current details on shopify.com before deciding.

This article is about the regulatory side: when an ABN becomes a practical necessity, what happens if you don't have one, and which gateways let you start without one.

## Table of contents

- [The short answer: technically no, but practically yes](#technically-no-but-practically-yes)
- [What the ATO actually requires from an online seller](#what-the-ato-requires)
- [The 47% withholding rule that makes 'optional' ABNs expensive](#withholding-rule)
- [Hobby sales, side hustles, and the ATO's fuzzy line](#hobby-or-business)
- [Digital products and services: same rule, extra confusion](#digital-products-and-services)
- [Overseas customers don't change the ABN rule](#overseas-customers)
- [Payment gateways compared: which one asks for an ABN?](#payment-gateways-compared)
- [Get your ABN in 15 minutes](#get-your-abn)
- [Frequently asked questions](#frequently-asked-questions)
- [Sources](#sources)

## The short answer: technically no, but practically yes
No Australian law says you must hold an ABN to run a website that sells things. Shopify Inc. doesn't ask for one when you create a store. You can build your shopfront, add products, and connect a domain without entering those 11 digits.

The gap between theory and practice opens at two points. First, when a business pays you and you haven't quoted an ABN. Second, when you try to connect a payment gateway that wants to verify you as a business entity. Both turn a theoretical option into a practical barrier.

An ABN is a unique 11-digit identifier issued by the Australian Business Register to entities registered for tax purposes, as the [ABR's documentation](https://abr.business.gov.au/Help/AbnFormat) explains. It costs nothing. The [ABR's application page](https://www.abr.gov.au/business-super-funds-charities/applying-abn) states that successful applications receive the ABN immediately. If the ATO needs to verify details, they aim to process it within 20 business days.

Free, fast, and it unlocks everything from GST registration to a Shopify Payments account. That's the practical case for getting one before your first sale, even though no statute forces you to.

## What the ATO actually requires from an online seller
The ATO doesn't have a "Shopify seller" category. It has a concept called "carrying on a business," and the rules apply whether you sell from a market stall, a website, or both. The platform doesn't change the obligation.

GST is a broad-based tax of 10% on most goods, services and other items sold or consumed in Australia, as the [ATO's guidance on how GST works](https://www.ato.gov.au/businesses-and-organisations/gst-excise-and-indirect-taxes/gst/how-gst-works) sets out. You must register for GST when your GST turnover reaches A$75,000 or more, and the [ATO's GST registration page](https://www.ato.gov.au/businesses-and-organisations/gst-excise-and-indirect-taxes/gst/registering-for-gst) requires registration within 21 days of crossing that threshold. Non-profit organisations face a higher threshold of A$150,000.

Here's the catch. You must have an ABN before you can register for GST. The same ATO page is explicit about this. So even if you're happy to stay unregistered while small, the moment turnover approaches A$75,000, the ABN becomes non-negotiable.

GST-registered sellers can claim GST credits on business purchases, which softens the cost. To claim a credit for a purchase over A$82.50 (including GST), you need a tax invoice, and your supplier has 28 days to provide one after you request it. You can work out the GST component of any price by dividing it by 11. The [ATO's GST credit guidance](https://www.ato.gov.au/businesses-and-organisations/gst-excise-and-indirect-taxes/gst/claiming-gst-credits/when-you-can-claim-a-gst-credit) covers all three points.

For the full walkthrough, [GST on your Shopify store: an Australian guide](https://aussiestoreguides.com/shopify-gst-australia/) covers registration, settings, and BAS obligations in detail. The ABN comes first; everything else builds on it.

## The 47% withholding rule that makes 'optional' ABNs expensive
This is the section that changes minds.

When a business pays a supplier who doesn't quote an ABN, the ATO requires the payer to withhold the top marginal rate from the payment. The rule is specific: you must withhold 47% from a payment to a supplier who does not provide an ABN. This applies if the total payment is more than A$75 (excluding GST), as the [ATO's withholding guidance](https://www.ato.gov.au/businesses-and-organisations/hiring-and-paying-your-workers/payg-withholding/payments-you-need-to-withhold-from/withholding-from-suppliers/withholding-if-abn-not-provided) states.

In plain numbers. A business customer orders A$1,000 of stock from your Shopify store and you can't quote an ABN on the invoice. They're required to withhold A$470 and send it to the ATO. You receive A$530. You can claim it back at tax time, but that's months away and the cash flow hit is immediate.

Direct-to-consumer sales are different. Retail customers don't withhold because they're not businesses paying suppliers. The rule doesn't apply to a shopper buying a single t-shirt. But the moment you sell wholesale, take a bulk order, or invoice another business, the 47% rule is live.

There's no fine for not having an ABN in this scenario. The withholding is the mechanism, not a penalty. But losing nearly half your payment until tax time is worse than most fines.

Records matter here. The [ATO's record-keeping guidance](https://www.ato.gov.au/individuals-and-families/income-deductions-offsets-and-records/records-you-need-to-keep) requires you to keep written evidence for five years from the date you lodge your tax return. Good records are your only recourse if you're untangling withholding at year end.

## Hobby sales, side hustles, and the ATO's fuzzy line
The ATO draws a line between carrying on a business and pursuing a hobby. The line isn't sharp. The ATO uses several indicators rather than a single test: profit intention, regularity of sales, repetition of activity, record-keeping, and whether you operate in a businesslike manner.

Even hobby income is taxable. You declare it on your tax return. But a hobbyist doesn't need an ABN, doesn't register for GST, and doesn't lodge a BAS. The distinction matters because it determines which obligations apply.

**Our hobby-or-business checklist**

Copy this and fill it in honestly:

- You intend to make a profit, even if you haven't yet.
- You sell regularly, not just one-off personal items.
- You repeat the same or similar activity (same product type, restocked).
- You keep records of sales, costs, and expenses.
- You've registered a business name, or plan to.
- Your activity has a commercial character, not just personal enjoyment.

If most of these apply, the ATO is likely to treat your store as a business. Get an ABN.

Genuinely clearing out personal items? Selling your own used books, decluttering a wardrobe? You're probably a hobbyist. The moment you buy stock to resell, or make products to sell regularly, you've crossed the line.

One more wrinkle. If you want to trade under a name that isn't your legal name, you need to register a business name through the Australian Securities and Investments Commission. [ASIC's documentation](https://www.asic.gov.au/for-business-and-companies/business-names/register-a-business-name) states you must have an ABN before you can register a business name. So even a small operation that wants a trading name needs an ABN first.

## Digital products and services: same rule, extra confusion
A common misconception: ABN and GST rules only apply to physical goods. They don't.

Digital products and services count as supplies for GST and ABN purposes. An ebook, a downloadable template, a subscription, a consulting service delivered online. All of them are supplies under the same framework. The ATO's definition of "goods, services and other items" is deliberately broad.

The same A$75,000 GST threshold applies whether you sell physical goods or digital products. Payment gateways don't distinguish either. Shopify Payments asks the same verification questions regardless of what's in your catalogue. The ABN requirement at onboarding is about who you are as a merchant, not what you sell.

Low-overhead digital businesses often assume they're too small to count. A seller making A$200 a month from downloadable printables might think they're a hobbyist. If they're creating new products regularly, marketing them, and intending to grow, the ATO is likely to see a business. The product format doesn't change the test.

## Overseas customers don't change the ABN rule
Selling to international buyers doesn't remove the need for an ABN if you're carrying on an enterprise in Australia. The ATO's test is about where you operate, not where your customers sit. A Melbourne resident running a Shopify store is subject to Australian tax rules regardless of who buys.

GST treatment of exports has its own rules. Most exports are GST-free if they meet certain conditions. But that's a GST question, not an ABN question. You still need the ABN to register for GST, to quote on invoices, and to pass payment gateway verification.

Non-resident suppliers face a separate set of rules. If you're not an Australian resident but sell to Australian customers through Shopify, you may have GST obligations under the rules for imported services and digital products. Non-residents can apply for an ABN in certain circumstances, but the eligibility and documentation requirements are more involved. That's a separate guide.

The practical point: if you live here and run your store from here, your customers' locations don't change your ABN obligations.

## Payment gateways compared: which one asks for an ABN?
This is where "optional" meets reality. Payment gateways sit between your customer's money and your bank account, and each has its own onboarding requirements. Public documentation rarely states "you must have an ABN" in those words. What it does is ask for business verification details that are difficult to provide without one.

The table below is our editorial assessment based on merchant agreements, onboarding flows, and what Australian sellers report. We're inferring, not quoting provider docs.

| Gateway | ABN needed to onboard? | Alternative without an ABN | Fees you can't avoid | Our take |
|---|---|---|---|---|
| Shopify Payments | Yes, in practice | PayPal personal account | Card processing on every sale | Best once you have an ABN; simply not an option without one |
| PayPal | No for personal; yes for business features | Personal PayPal account | Per-transaction processing fees | Least painful if you're stuck without an ABN, but temporary |
| Stripe | Yes for AU merchants | None we'd recommend | Per-transaction processing fees | Don't start here without an ABN |
| Square | Yes for business accounts | None | Per-transaction processing fees | In-person focus makes it less relevant for online stores anyway |

For a deeper look at Shopify's native gateway, [Shopify Payments in Australia: fees and setup](https://aussiestoreguides.com/shopify-payments-australia/) covers the specifics. If you're weighing up which plan makes sense, [Shopify plans compared: the real cost for Australian sellers](https://aussiestoreguides.com/shopify-plans-australia/) breaks down the monthly and per-sale costs.

> **Our take:** If you're selling beyond hobby scale, get the ABN first and use Shopify Payments. The native checkout integration and straightforward fee structure make it the least painful path. PayPal is the only gateway that lets you start without an ABN, but you'll hit the business-account wall within weeks of regular sales. Don't try to build a real store on a personal PayPal account; the friction catches up faster than the GST threshold does.

## Get your ABN in 15 minutes
The application is through the Australian Business Register, and it costs nothing. The [ABR's application page](https://www.abr.gov.au/business-super-funds-charities/applying-abn) confirms that successful applications receive the 11-digit ABN immediately. If the ATO needs to verify details, they aim to review within 20 business days.

Here's what you'll need and the steps to follow:

1. **Set up myGovID**: download the app and verify your identity with two Australian documents (passport, driver's licence, Medicare card, or similar).
2. **Gather your details**: tax file number, date of birth, residential address, and contact information.
3. **Know your structure**: sole trader is the simplest; partnership, company, and trust each have different requirements but all can hold an ABN.
4. **State your activity**: describe what you sell and when you started. "Online retail" and your launch date are enough.
5. **Submit through the ABR portal**: the form takes about 15 minutes. You'll get your ABN on screen if the application is straightforward.
6. **Record your ABN**: save the number. You'll need it for GST registration, business name registration, invoicing, and gateway onboarding.

You don't need a business name to get an ABN. A sole trader can operate under their own legal name with just an ABN. If you want a trading name, that's a separate ASIC step, and as noted above, ASIC requires an ABN first.

For the operational side once the paperwork is done, [How Shopify works in Australia for sellers](https://aussiestoreguides.com/how-shopify-works-australia/) covers the platform mechanics. For postage, [Set up Australia Post shipping in Shopify](https://aussiestoreguides.com/australia-post-shipping-shopify/) walks through the carrier integration.

## Frequently asked questions
### Do I need to declare income from a hobby Shopify store on my tax return?

Yes. Hobby income is still taxable income and goes on your tax return even without an ABN, GST registration, or a BAS. The difference is reporting only: a hobbyist declares income without business obligations, while a business does both. The ATO can ask how that income was generated, so keep simple sales records even as a hobbyist.

### Which Shopify payment gateways work without an ABN?

PayPal is the only mainstream gateway that lets you start with a personal account and no ABN. You can accept payments, but per-transaction fees apply and account limits tighten as volume grows. Shopify Payments, Stripe, and Square all require business verification that effectively means an ABN for Australian merchants. The personal PayPal workaround stops being viable once you're selling regularly.

### What happens if I run a Shopify business without an ABN?

There's no fixed fine for not having an ABN. The immediate consequence is the 47% withholding: any business paying you more than A$75 must withhold at the top marginal rate if you don't quote an ABN. You can recover the withheld amount at tax time, but the cash flow gap is real. The ATO can also apply penalties for failing to lodge required tax returns or BAS statements if your activity meets the business test.

### Do I need an ABN if my Shopify store only sells to overseas customers?

Yes, if you're running the enterprise from Australia. The ATO's test is about where you operate, not where your customers live. GST treatment of exports is separate, and most exports are GST-free, but the ABN obligation doesn't depend on customer location. The same business indicators the ATO uses for domestic selling apply to your international sales too.

### If I voluntarily register for GST and later make less than A$75,000, can I deregister?

Yes. The ATO allows voluntary cancellation of GST registration if your turnover drops below the threshold. You must account for GST on sales made while registered and can't claim GST credits on purchases after cancellation takes effect. The decision isn't trivial: you'll need to re-register if turnover climbs back above A$75,000, and the 21-day deadline applies again at that point.

## Sources
1. Australian Business Register, "Format of the ABN". https://abr.business.gov.au/Help/AbnFormat — checked on 26 August 2026
2. Australian Taxation Office, "Registering for GST". https://www.ato.gov.au/businesses-and-organisations/gst-excise-and-indirect-taxes/gst/registering-for-gst — checked on 26 August 2026
3. Australian Taxation Office, "Withholding if ABN is not provided". https://www.ato.gov.au/businesses-and-organisations/hiring-and-paying-your-workers/payg-withholding/payments-you-need-to-withhold-from/withholding-from-suppliers/withholding-if-abn-not-provided — checked on 26 August 2026
4. Australian Business Register, "Applying for an ABN". https://www.abr.gov.au/business-super-funds-charities/applying-abn — checked on 26 August 2026
5. Australian Taxation Office, "How GST works". https://www.ato.gov.au/businesses-and-organisations/gst-excise-and-indirect-taxes/gst/how-gst-works — checked on 26 August 2026
6. Australian Taxation Office, "Records you need to keep". https://www.ato.gov.au/individuals-and-families/income-deductions-offsets-and-records/records-you-need-to-keep — checked on 26 August 2026
7. Australian Taxation Office, "When you can claim a GST credit". https://www.ato.gov.au/businesses-and-organisations/gst-excise-and-indirect-taxes/gst/claiming-gst-credits/when-you-can-claim-a-gst-credit — checked on 26 August 2026
8. Australian Securities and Investments Commission, "Register a business name". https://www.asic.gov.au/for-business-and-companies/business-names/register-a-business-name — checked on 26 August 2026