Picture this. It is late May. Your accountant calls. The conversation starts comfortably enough, then takes a turn. Profit is higher than expected. A deduction did not qualify. Cash flow is tighter than forecast. And suddenly there is a tax bill that never featured in your planning.
To effectively navigate these challenges, implementing robust tax planning strategies for Australian businesses 2026 is essential.
For many Melbourne business owners, that conversation happens every year.
It does not have to.
A smooth EOFY rarely comes down to something clever done in late June. More often, it comes down to decisions made in March.
March 2026 Is Your Real Deadline
By May, most of the meaningful levers have already been pulled. Income has been earned. Contracts are in place. Large expenses are committed. Structural changes are no longer practical.
March is different. March gives you room to test scenarios, adjust behaviour, and make deliberate choices.
There is also more at stake this year. Temporary full expensing is behind us. The ATO has sharpened its focus on GST compliance and contractor reporting. And for businesses that have grown quickly, some concessions that applied comfortably last year may no longer apply at all.
Growth is positive. Unexpected tax consequences are not.
Are You Actually a Small Business for Tax Purposes?
This is where many issues begin.
Eligibility for most small business concessions depends on aggregated turnover. That includes not only your business revenue, but also revenue from connected entities and affiliates. For owners operating through multiple companies or trusts, this matters.
Most small business concessions require aggregated turnover under $10 million. The small business income tax offset has a stricter threshold of $5 million.
For companies, the tax rate question is slightly different. Companies that qualify as base rate entities pay a reduced company tax rate of 25 percent. To qualify in 2025-26, the company must have aggregated turnover below $50 million and no more than 80 percent of its assessable income can be passive income such as interest, rent, or net capital gains.
We regularly see Melbourne businesses that have grown past $5 million in aggregated turnover but continue claiming the small business income tax offset. It is often an honest oversight. The result, however, is an amended assessment and interest charges.
If your revenue has increased materially in the past year, this is worth checking well before 30 June.
Four Tax Planning Levers Worth Using Before 30 June 2026
These are not exotic strategies. They are practical adjustments that work when handled properly.
Timing of income and deductions.
If you have genuine commercial flexibility, consider whether bringing forward a deductible expense or deferring an invoice by a few weeks makes sense in light of your forecast profit. The key word here is genuine. The transaction must be commercially sound, not manufactured purely for tax.
Prepaying eligible expenses.
Certain expenses such as rent, insurance, and subscriptions may qualify for immediate deduction under the 12 month prepayment rule. The expense must relate to a period no longer than 12 months and end in the following income year. Used thoughtfully, this can shift deductions into the current year without distorting the business.
Superannuation contributions.
For a deduction to apply in the 2025-26 year, contributions must be received by the fund before 30 June. Not processed. Not initiated. Received. Leaving this to the final week is risky. For business owners building long term wealth, super remains one of the most effective planning tools available.
PAYG instalments.
Many business owners treat PAYG as a fixed quarterly bill. It is not. If profit is tracking below the ATO’s instalment calculation, you can vary your instalment to improve cash flow. However, accuracy matters. If your total varied instalments end up being less than 85 percent of the tax assessed on your instalment income, general interest charges may apply. A variation should be based on realistic forecasting, not optimism.
What the ATO Is Watching This Year
The ATO has made its compliance priorities clear through its small business compliance program.
Contractor income reporting remains a focus. Businesses that use subcontractors should ensure payments are correctly reported and income is fully declared across all entities. The Taxable Payments Reporting System continues to be a useful data matching tool for the ATO.
GST compliance is another area under scrutiny. Inconsistent BAS reporting or mismatches between GST and income tax figures can trigger attention. Businesses that repeatedly fall short risk being moved to monthly GST reporting, which adds administration most owners would prefer to avoid.
Strong record keeping is still the simplest defence. If documentation around vehicles, home office claims, or mixed use assets is patchy, this is the time to tidy it up.
Quick Answers to Common Questions
Can I use instant asset write off rules in 2026?
The instant asset write off has been a recurring feature for small business entities, but the threshold and eligibility rules can change from year to year depending on government announcements. For 2025-26, confirm the applicable cost threshold and aggregated turnover requirements before making any purchase based on an assumed immediate deduction.
Is it worth prepaying expenses before 30 June?
Sometimes. If the expense is commercially sensible and fits within the rules, it can accelerate a deduction. But it should not strain cash flow simply to reduce tax. The numbers must stack up.
Do I qualify for the small business income tax offset?
Only if aggregated turnover is under $5 million and you operate as a sole trader, partnership, or trust. Rapid revenue growth can quietly remove eligibility, so this should be confirmed each year.
Book Your Pre March Strategy Review
A tax discussion in May is often about managing consequences. A discussion in March is about shaping outcomes.
March gives you time to forecast profit properly, test threshold eligibility, align superannuation contributions, and adjust PAYG instalments with confidence.
If you are a Melbourne business owner with turnover between $1 million and $15 million, this is the window where planning still makes a difference.
Book your Pre March 2026 Tax Strategy Review. No heavy paperwork. Just a focused conversation about where your business stands and what practical options remain available.
General information only. This article does not constitute financial or tax advice and does not take into account your personal objectives, financial situation, or needs. Tax outcomes depend on individual circumstances and the law, including ATO guidance, may change. Seek professional advice before acting.