Starting a business in Australia comes with important tax responsibilities that require your attention from day one. Understanding these obligations early will help you stay compliant and avoid costly mistakes as you establish your operations.
Register for an ABN
Your first priority should be obtaining an Australian Business Number (ABN). This 11-digit identifier is essential for most business activities and is required to register for GST, claim tax deductions, and open a business bank account. You can apply for an ABN through the Australian Business Register (ABR) website, and the process is typically free and straightforward.
Understand Your GST Obligations
If your annual turnover is expected to reach or exceed the GST registration threshold, you must register for Goods and Services Tax (GST). Even if you're below the threshold, voluntary registration may be beneficial if you plan to claim input tax credits. Keep in mind that GST registration affects your invoicing, record-keeping, and quarterly or annual reporting requirements.
Set Up Proper Record-Keeping Systems
The Australian Taxation Office (ATO) requires you to maintain detailed records of all income, expenses, and transactions. Establish a reliable system from the start—whether using accounting software or manual records—to track invoices, receipts, bank statements, and payroll information. Good record-keeping makes tax time easier and demonstrates compliance if audited.
Know Your Income Tax Obligations
As a business owner, you'll need to lodge an income tax return each financial year (ending 30 June). Ensure you understand which expenses are deductible, how to calculate your taxable income, and when payments are due. Consider working with a tax professional to optimise your tax position and ensure accuracy.
Plan for Payroll and Superannuation
If you employ staff, you must register as an employer with the ATO, withhold income tax from employee wages, and contribute to their superannuation. These obligations have strict deadlines and penalties for non-compliance, so establish payroll processes early and stay informed about current rates and thresholds.
Consider Your Business Structure
The structure you choose—sole trader, partnership, company, or trust—affects your tax obligations and liability. Each structure has different reporting requirements and tax implications, so it's worth seeking advice to select the most suitable option for your circumstances.
Taking time to understand these tax fundamentals at the outset will set a strong foundation for your business and help you manage your obligations confidently throughout the year.
Tax Checklist for New Australian Businesses in 2026
| Task | Details | Priority |
|---|---|---|
| Register for an ABN | Apply through the Australian Business Register (ABR) website. Required for GST registration, tax deductions, and business banking. | Critical |
| Assess GST Registration | Register if turnover meets the threshold. Consider voluntary registration if claiming input tax credits. | Critical |
| Set Up Record-Keeping | Establish systems to track income, expenses, invoices, receipts, and bank statements. Use accounting software or manual records. | High |
| Understand Income Tax Returns | Lodge annual return by 30 June. Identify deductible expenses and calculate taxable income. Consider professional advice. | High |
| Register as Employer (if applicable) | Register with ATO if employing staff. Set up payroll, withholding, and superannuation contributions. | High |
| Choose Business Structure | Select sole trader, partnership, company, or trust. Each has different tax and liability implications. | High |
Next Steps: Start with ABN registration and GST assessment, then establish your record-keeping systems and business structure. Seek professional tax advice early to optimise your position and ensure full compliance from the outset.
Ray- tax director 0415 095 684
