As tax season is underway, it’s no secret that it can feel overwhelming. Understanding how tax deductions work can make a significant difference to your financial outcome. For small business owners, tax deductions are expenses that can reduce the amount of tax you need to pay. Knowing which expenses are deductible and how to claim them correctly can help you lower your taxable income and ultimately reduce your tax bill.
For small business owners, maximising legitimate deductions ensures you’re not paying more tax than necessary. This not only improves your cash flow but also helps keep your business financially healthy and compliant with ATO regulations.
Unfortunately, many business owners either don’t know what they’re entitled to claim, attempt to claim expenses that aren’t deductible, or fail to keep adequate records to substantiate their claims.
What You Can Claim
There are many expenses that a business can legitimately claim.
One of the main deductible categories is operating expenses. These are the day-to-day costs a business incurs to keep operations running smoothly. Common examples include rent, utilities, payroll, inventory, insurance, and marketing. However, not every business will incur the same operating expenses. To be deductible, the expense must relate directly to the activities undertaken to generate revenue. These differ from investment expenses, such as interest on business loans, which may also be deductible under specific conditions.
Office supplies and equipment are also deductible. This includes items such as stationery, computers, printers, and software. While most office supplies can be claimed in full, larger equipment purchases may need to be depreciated over several years. Your accountant can advise on the appropriate treatment for these items.
If you travel for business purposes such as attending conferences, meeting clients, visiting suppliers, or working on-site you can claim travel-related expenses. These include flights, accommodation, and meals when overnight travel is required. However, you must be able to demonstrate that the travel was work-related, as any private component of the trip is not deductible.
Motor vehicle expenses can also be claimed if the vehicle is used for business purposes. If the vehicle is registered in the business name, all related expenses such as fuel, registration, insurance, and repairs should be paid through the business. If the vehicle is used for both business and personal purposes, it’s essential to keep a detailed logbook for at least 12 continuous weeks. This will help you or your accountant determine the percentage of business use.
Professional services such as accounting and legal fees are deductible, provided they relate directly to your business operations. Similarly, marketing and advertising costs including website development, social media campaigns, and print advertising can be claimed as business expenses.
If you work from home, you may be eligible to claim home office expenses. The ATO has specific guidelines for this category. There are two methods for calculating home office deductions: the fixed rate method and the actual cost method. Both approaches allow you to claim a portion of your home expenses that relate to your business activities.
What You Can’t Claim
While many expenses are deductible, some are explicitly excluded.
Personal expenses such as private use of motor vehicles, personal phone calls, home internet, groceries, gifts, and casual clothing cannot be claimed. Deductions are only allowed for expenses incurred while performing work-related duties.
Generally, entertainment expenses are not deductible. This includes staff parties, client meals, and other social events. If you regularly provide entertainment to employees, you may be required to register for Fringe Benefits Tax (FBT). Your accountant can help determine whether your business meets the criteria set by the ATO.
Fines and penalties such as parking tickets or late payment fees to the ATO or ASIC are never deductible. From 1 July 2025 general interest charge on ATO accounts is no longer tax deductible.
Finally, if you don’t have adequate records, such as receipts or invoices, you may not be able to claim the deduction. In the event of an audit, the ATO will require substantiation for each expense.
Tips for Maximising Deductions
As you move through the 2026 financial year, staying organised is key to making the most of your deductions. Start by keeping both digital and physical copies of all receipts and invoices. This ensures you have the necessary documentation when it’s time to lodge your return.
Consider speaking with your accountant about transitioning to accounting software such as Xero, MYOB, or QuickBooks. These platforms connect to your bank account, track expenses automatically, and categorise transactions making it easier to identify deductible items.
It’s also wise to work with your accountant throughout the year, not just at tax time. Regular check-ins can help you plan, avoid costly mistakes, and ensure you’re claiming everything you’re entitled to.
Maximising your tax deductions is about more than just saving money, it’s about running a smarter, more efficient business. By staying informed, keeping good records, and seeking professional advice, you can take full advantage of the deductions available to you.
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