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Navigating Payroll Tax Obligations for Growing Trade Firms

3 August 2026 · By Heaney Accounting

As your trade business expands, you might decide to hire more apprentices or skilled tradespeople to keep up with demand. Once your total Australian wages exceed the state or territory payroll tax threshold, you become liable for payroll tax. It is critical to monitor your payroll spend monthly so you are not caught off guard by an unexpected tax bill at the end of the financial year.

Many business owners mistakenly believe that only large corporations pay payroll tax, but it can apply to smaller construction firms once they hit the headcount or wage limits. These thresholds vary across Australia, so you must confirm the specific rules for your state or territory. Being proactive allows you to plan your cash flow effectively instead of scrambling for funds when the assessment is due.

Payroll tax is not just about the base salary you pay your team members. It often includes superannuation contributions, allowances, and fringe benefits provided to employees, which can inflate your total taxable wages quickly. You should speak with your bookkeeper or accountant to ensure your payroll software is correctly identifying which payments are subject to payroll tax to avoid under-reporting errors.

If you find that you are approaching the threshold, consider how this will impact your overall pricing structure and profitability. You may need to adjust your quote margins to ensure the business can cover these additional compliance costs without sacrificing your take-home pay. Preparing your internal processes now will make the transition to a larger, compliant workforce much smoother as your business continues to grow.

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