April 1, 2026 | Startup & Tax

Hobby vs Business: The ATO Rules

Key Takeaways

The difference between a hobby and a business determines if you need to pay tax on your income and if you can claim deductions.
There is no "dollar limit" (e.g., $10k per year) that automatically makes you a business. It's about your **intent.**
In 2026, the ATO uses data-matching from platforms like Marketplace, eBay, and Etsy to find "unregistered" businesses.

In 2026, the "side hustle" has become a way of life for many Australians. Whether you’re selling handmade candles on Etsy or flipping sneakers on eBay, you’re likely making some extra cash. But at what point does your hobby become a taxable business? If you stay "under the radar" of the tax office, you're a hobby; if you cross the line, you're a business with reporting obligations. Here is how to tell which one you are.

1. The "Business Indicators" Test

To follow the ATO's perspective, look at these indicators. If you say "yes" to 3 or more, you are likely in business:

**Intent to Make Profit:** Are you doing this to make money, or just because you enjoy the activity?
**Repetition and Regularity:** Do you do it every week, or just once or twice a year?
**Organization:** Do you have a separate bank account, a business name, or a marketing plan?
**Commercial Size:** Is your activity large enough to be viewed as a business in your industry?

2. If You Are a "Business"

Crossing the line into a business means you have several obligations in 2026:

Get an ABN:** You must apply for an Australian Business Number.

Report Income:** You must include your business profit in your annual tax return.

GST Registration:** If your turnover (gross sales) hits **$75,000**, you MUST register for GST.

Deductions:** The good news is that you can now claim the cost of your materials, equipment, and home office as tax deductions.

3. If You Are a "Hobby"

If your activity is purely for pleasure and you have no intent to make a profit, you do not need to report the income to the ATO. However, you also **cannot** claim any tax deductions for the costs you incur. This is a common situation for early-stage hobbyists who spend more on their "tools" than they make in sales.

💡 Note: If your hobby grows and you start making a "loss" every year, be aware of the **Non-Commercial Loss** rules. The ATO generally won't let you use a "business loss" to reduce your day-job salary tax unless you pass certain income tests ($20k profit or $250k total income).

Summary: Better Data, Clearer Future

The transition from hobby to business is a sign of success, but it requires cleaner bookkeeping. At PrepMyBook, we help "hobby-to-business" founders set up their Xero and ABN correctly from day one. Let's make 2026 your most profit-efficient year yet.

Audit Your Side-Hustle Status Today

Our tax specialists can help you analyze your activity and determine if you should be registered as a business. Let’s protect your financial position.
Talk to a Startup Specialist