Tax strategies can reduce what you pay to the ATO and redirect that money toward building wealth

The Australian tax system offers legitimate ways to keep more of your income and invest it for long-term growth. These are not loopholes—they are structures the ATO recognises and allows. The difference between paying tax inefficiently and paying tax strategically can mean tens of thousands of dollars over a decade. Most wealthy Australians use a combination of these approaches: claiming all available deductions, splitting income across family members, using superannuation to its full capacity, and structuring investments to minimise tax on gains.

This guide explains how each strategy works, who can use it, and what records you need to keep. The goal is to show you the real mechanics of tax-efficient wealth building so you can work with an accountant or tax adviser from a position of understanding rather than guessing.

Key Takeaways

  • Superannuation contributions are taxed at 15 per cent instead of your marginal rate, making them one of the fastest ways to build wealth tax-efficiently if you earn over $60,000 per year.
  • Claiming work-related deductions, investment expenses, and depreciation on rental properties can reduce your taxable income by thousands each year if you keep proper records.
  • Splitting income through trusts, companies, or spouse contributions lets you pay tax at lower rates across multiple people instead of concentrating it on one high earner.
  • Capital gains tax discounts and timing of asset sales can reduce the tax on investment profits by 50 per cent or more compared to ordinary income.
  • Negative gearing on investment properties lets you claim losses against your salary, reducing tax now while the property appreciates.

Maximise your superannuation contributions

Superannuation is the single most tax-efficient wealth-building tool available to Australian workers. Money you contribute is taxed at only 15 per cent, compared to your marginal tax rate which could be 37 per cent or higher. That 22 per cent difference compounds over decades. The ATO allows you to contribute up to $27,500 per financial year (from 1 July 2024) from your own pocket, and your employer must contribute at least 11.5 per cent of your salary on top of that.

If you earn over $180,000, you hit a higher tax bracket and the benefit of super contributions grows even larger. You can also make catch-up contributions if you have unused contribution room from previous years—the ATO tracks this and shows it on your tax notice of assessment. Many people leave thousands of dollars of contribution room unused straightforward because they do not know it exists. Check your ATO online account to see your current limit.

Salary sacrifice is the most common strategy: you arrange with your employer to pay part of your salary directly into super instead of receiving it as wages. This avoids income tax on that amount entirely. A $10,000 salary sacrifice saves you roughly $3,700 in tax if you are in the 37 per cent bracket, and that $10,000 grows tax-free inside super until you retire.

Claim every work-related deduction you are may have access to to

The ATO allows you to deduct expenses that are directly connected to earning your income. Most people claim far fewer deductions than they are may have access to to, straightforward because they do not track them or do not realise they count. Common deductions include home office expenses (if you work from home), professional fees, union dues, work-related travel, and tools or equipment you buy for your job.

The key rule is that the expense must be directly connected to earning your income. You cannot deduct the cost of getting to work, meals, or clothing unless it is a uniform or protective gear specific to your job. If you work from home, you can claim a proportion of rent, utilities, internet, and depreciation on furniture—but only for the hours you actually work there. Keep a diary for four weeks to establish your work-from-home percentage, then explore that to your annual expenses.

Professional development is deductible if it maintains or improves skills you use in your current job. A course that retrains you for a different career is not. If you are self-employed, deductions are even broader: vehicle expenses, equipment, premises costs, and professional services all count. The critical step is keeping receipts and a log. The ATO does not require you to lodge receipts with your tax return, but you must keep them for five years in case of audit. A spreadsheet or app that tracks expenses as you go is far easier than trying to reconstruct them in June.

Use investment structures to split income across family members

If you are a high earner, you pay tax on every dollar at your marginal rate. If you can split that income across a spouse or adult children in lower tax brackets, the total tax bill shrinks. This is legal and common among wealthy families. The main structures are trusts, companies, and spouse contributions.

A family trust is a legal entity that holds investments and distributes income to beneficiaries. You can distribute income to family members in whatever proportions you choose each year. If your spouse earns little or nothing, they might pay tax at only 19 per cent on distributed income instead of your 37 per cent. The trust itself does not pay tax—the beneficiaries do. Setting up a trust costs $1,500 to $3,000 in legal fees, but the tax savings often recoup that in a single year if you have significant investment income.

A company structure works differently: the company pays tax at a flat 25 per cent (or 30 per cent if it is a small business with turnover under $50 million and you do not meet other conditions). You then pay tax again on dividends you take out. This is less efficient for income splitting than a trust, but it can be useful if you want to retain earnings inside the company to reinvest or if you are running a business. Speak to an accountant about which structure suits your situation—the setup and ongoing compliance costs vary significantly.

A simpler approach is spouse contributions: if your spouse has little income, you can contribute money to their super or investment account and claim a tax deduction for super contributions. This shifts income to a lower tax bracket without needing a trust or company structure.

Understand capital gains tax and timing of asset sales

When you sell an investment for more than you paid, the profit is a capital gain and is taxable. However, the ATO gives you a 50 per cent discount on capital gains if you have held the asset for at least 12 months. This means only half the gain is added to your taxable income. For someone in the 37 per cent tax bracket, this is equivalent to paying only 18.5 per cent tax on the gain instead of 37 per cent.

This discount applies to shares, investment property, and most other assets. It does not explore to assets you hold for less than 12 months, or to your main residence (which is completely tax-free). The timing of when you sell matters: if you are about to move into a higher tax bracket, delay the sale until the next financial year when your income might be lower. Conversely, if you have a year with lower income, it might be the right time to sell and lock in gains at a lower rate.

You can also use capital losses to offset capital gains. If you sell a losing investment, you can use that loss to reduce the taxable gain on a winning investment in the same year. If losses exceed gains, you can carry the loss forward to future years. Many investors deliberately realise losses in December to offset gains and reduce their tax bill, then reinvest the proceeds in similar assets.

Use negative gearing on investment property

Negative gearing means the expenses on an investment property exceed the rental income. You can claim the shortfall as a deduction against your salary, reducing your taxable income and your tax bill. This is particularly useful in the early years of property ownership when the mortgage is large and rents are modest.

If your property costs $500,000, your mortgage is $400,000, and your annual interest is $20,000, plus rates, insurance, maintenance, and depreciation total another $15,000, your total expenses are $35,000. If the rent is only $25,000, you have a $10,000 loss. You can deduct that $10,000 from your salary, saving roughly $3,700 in tax if you are in the 37 per cent bracket. Meanwhile, the property is appreciating and the mortgage is being paid down by tenants' rent.

The catch is that negative gearing only works if you have other income to offset the loss against. If you are unemployed or retired, you cannot use the loss. Also, the ATO requires that you have a genuine expectation of making a profit over time—you cannot claim losses on a property you know will never be profitable. Keep records of all expenses: mortgage statements, rates notices, insurance policies, repair invoices, and depreciation schedules. Depreciation is a non-cash deduction that reduces your taxable income without spending money, making it particularly valuable in negative gearing scenarios.

Claim depreciation on rental property assets

Depreciation is a deduction for the wear and tear on buildings and contents over time. It is a non-cash deduction, meaning you do not actually spend money but still reduce your taxable income. For a rental property, you can claim depreciation on the building structure itself (at 2.5 per cent per year) and on contents like carpets, appliances, and fixtures (at rates between 5 and 40 per cent depending on the item).

A depreciation schedule is a detailed list of every depreciable asset in the property and its cost. A quantity surveyor prepares this for $300 to $800 and it can be worth thousands in deductions over the life of the property. For example, a $400,000 property might have $15,000 to $25,000 in depreciable contents, generating $2,000 to $3,000 in annual deductions. Over 10 years, that is $20,000 to $30,000 in tax deductions, worth $7,000 to $11,000 in tax savings at the 37 per cent rate.

The ATO has tightened rules on depreciation in recent years: you cannot claim depreciation on a property you bought after 9 May 2017 unless you constructed it yourself. For older properties, depreciation remains a powerful tool. If you own a rental property, ask your accountant whether a depreciation schedule makes sense for your situation.

Keep records that prove your deductions

The ATO does not ask you to lodge receipts with your tax return, but you must keep them for five years. If the ATO audits you and you cannot prove a deduction, you lose it and pay interest on the unpaid tax. The burden of proof is on you, not the ATO.

For work-related deductions, keep receipts and a diary showing what the expense was for. For investment expenses, keep bank statements, invoices, and correspondence with your accountant or adviser. For property expenses, keep rates notices, insurance policies, repair invoices, and mortgage statements. Digital copies are fine—photograph receipts or scan them into a folder on your computer or cloud storage.

A straightforward spreadsheet with the date, description, amount, and category is enough to track expenses as you go. Many accounting software packages like MYOB or Xero can integrate with your bank account and categorise transactions automatically. The time you spend organising records now saves hours of scrambling in June and protects you if you are ever audited.

Frequently Asked Questions

Can I claim deductions if I am self-employed?

Yes, and the range is broader than for employees. You can deduct all expenses directly connected to earning your income: equipment, premises, vehicle costs, professional services, and materials. You must still keep receipts and records for five years. Self-employed people also pay tax on net profit (income minus expenses) rather than gross income, so claiming every legitimate deduction is especially important.

What happens if the ATO audits me?

The ATO selects returns for audit based on risk factors: unusually high deductions, inconsistencies with previous years, or random selection. If you are audited, you will be asked to provide evidence for specific claims. If you have kept receipts and records, you can substantiate your deductions. If you cannot, you lose the deduction and pay interest on the unpaid tax. The ATO rarely pursues criminal prosecution for honest mistakes, but deliberate fraud carries penalties and possible prosecution.

Is it worth paying an accountant to do my tax?

If you are self-employed, have investment property, or earn over $100,000, an accountant usually pays for itself through deductions and strategies you would miss. A good accountant costs $1,000 to $3,000 per year and can save $2,000 to $10,000 or more depending on your situation. If you are a straightforward employee with no investments, doing your own tax through the ATO's online tools is usually sufficient.

Can I use a trust to avoid paying tax?

No. A trust does not reduce the total tax paid—it redistributes it across beneficiaries in lower tax brackets. The ATO has rules to prevent trusts being used to shift income to children under 18 (taxed at punitive rates) or to hide income. A trust is a legitimate structure for income splitting among adult family members, but it must be set up properly and operated according to the trust deed. Misusing a trust can trigger ATO penalties.

How long does it take to see wealth-building results from tax strategies?

Super contributions and negative gearing start reducing your tax bill when ready. The wealth-building effect compounds over years: a $10,000 annual super contribution at 15 per cent tax grows to roughly $280,000 over 30 years (assuming 7 per cent annual returns). Property appreciation and capital gains take longer to realise but can be substantial. Most people see meaningful results within 5 to 10 years if they combine multiple strategies consistently.