What Company Expenses Are Tax Deductible

Australian businesses can claim tax deductions for operating costs, employee wages, rent, utilities, marketing, travel, and asset depreciation. To qualify, the expense must be for business use, personally paid for, and supported by records. Following ATO’s three golden rules and maintaining proper documentation helps maximise deductions while staying compliant.

Written by: Brendan Thorp, CPA | Fact Checked by: Daniel Heness, CPA

Running a business in Australia comes with its fair share of challenges. One of the most common questions I hear from business owners is, “What expenses can I claim on my tax return?” Whether you’re a small business owner or running a larger operation, understanding tax deductible business expenses is crucial for optimising your tax position and ensuring you’re not leaving money on the table.

In this guide, we’ll walk you through the expenses you can claim under Australian tax laws, making sure you’re fully equipped to maximise your deductions. We’ll also look at some common mistakes to avoid and how to stay compliant with the Australian Taxation Office (ATO) guidelines.

The Three Golden Rules For Tax Deductions In Australia

Before we dive into the specific types of expenses that are tax-deductible, it’s essential to understand the three golden rules for claiming deductions. These rules are fundamental, and if you don’t meet them, your deductions could be denied.

What You Need To Know Before Claiming Your Business Expenses?

  1. The Expense Must Be for Your Business
    This one’s simple: if the expense is for personal use, you can’t claim it. If you’re using your car for both business and personal use, for example, you’ll only be able to claim the portion related to business use.
    Example: Let’s say you’re running a graphic design business and use your car to travel to client meetings. Suppose you also drive it on weekends for personal trips. In that case, you’ll only be able to claim the business portion of your vehicle expenses, calculated through one of the two methods discussed later.
  2. You Must Have Paid for the Expense Yourself
    You can only claim deductions for expenses you’ve personally paid for. If your business reimburses you, you can’t claim the deduction.
    Example: If your business reimburses you for a business trip to Melbourne, you can’t claim the travel expenses on your personal tax return because your business already covered them.
  3. You Must Keep Records to Prove the Expense
    A critical step in claiming tax deductions is keeping records—receipts, invoices, or bank statements. You must be able to substantiate your claim in case the ATO asks for proof.
    Tip: The ATO recommends keeping these records for at least five years. It might sound like a hassle, but it’s far less painful than facing a tax audit without proper documentation.

By following these three rules, you’ll have a solid foundation for claiming your business expenses and maximising your tax return.

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Key Business Expenses That Are Tax Deductible

Now that you understand the basic rules, let’s get into the meat of it. What are the actual expenses you can deduct when running a business in Australia? Here’s a breakdown of some of the most common deductible expenses for businesses.

How Operating Costs Are Deducted?

Operating costs are the day-to-day expenses your business incurs to keep things running smoothly. These are typically claimed in the same income year they are incurred, making them easy to track.

Some of the most common deductible operating expenses include:

  • Cost of Goods Sold (COGS): If your business sells physical products, you can deduct the cost of purchasing inventory or materials. This includes the purchase price and any associated delivery charges.
  • Employee-Related Expenses: Wages, superannuation contributions, and other employment-related expenses like bonuses or workers’ compensation premiums are deductible. These expenses often make up a large portion of a business’s operating costs.
    Real-world example: Let’s say you run a café in Melbourne and employ five staff members. The wages you pay them, plus their superannuation, are all deductible.

By understanding what constitutes operating costs, you’ll have a clear picture of what expenses can be deducted from your taxable income.

Business Premises Expenses: Rent, Utilities, And Maintenance

If you have a physical location for your business, whether it’s a retail space, office, or even a warehouse, you can claim certain expenses related to running that premises. These include:

  • Rent or Lease Payments: The cost of renting or leasing the space your business operates from is fully deductible.
    Example: If you’ve signed a 12-month lease for your office space in Brisbane, the monthly rent you pay is deductible as an operating expense.
  • Utilities: You can claim a portion of the cost for utilities like electricity, water, and gas, as well as your internet and phone expenses.
    Real-world scenario: If you own a small graphic design studio in Sydney and your electricity bill is $500 per month, you can claim the business portion of that cost. For example, if you use the studio for work 80% of the time, you can claim 80% of your electricity bill.
  • Maintenance and Repair Costs: These include any expenses for repairs or maintenance required to keep your business premises in good condition. For example, fixing a leaky roof or repairing a broken air conditioning unit.

It’s important to keep in mind that if part of your home is used exclusively for business purposes (like a home office), you may also be able to claim a portion of your home-related expenses. This brings us to the next section.

Marketing And Advertising Costs

Marketing and advertising are essential for attracting new clients and customers, and the good news is that most marketing-related expenses are tax-deductible. This includes both traditional and digital marketing methods, such as:

  • Traditional Advertising: This can include print ads in newspapers, radio or TV commercials, and even billboards.
    Example: If you place an ad in a local magazine promoting your new product launch, that cost is deductible.
  • Digital Advertising: Costs related to online marketing campaigns—Google Ads, Facebook Ads, and even the cost of hiring an SEO consultant—are all tax-deductible.
    Real-world scenario: Let’s say you run a small e-commerce store in Perth. You spent $2,000 on Facebook Ads to promote a new line of products. That $2,000 is fully deductible as a business expense.
  • Market Research: If you invest in market research to understand customer preferences or trends, this is also a deductible expense.
    Example: If you hire a market research firm to conduct a survey about your target market, you can deduct those costs.

Marketing is one of the most important areas where businesses can spend and simultaneously benefit come tax time. Just remember to keep detailed records of all advertising and marketing invoices to substantiate your claims.

Administrative And Financial Costs

Every business incurs some level of administrative and financial costs, and most of these can be written off against your taxable income. These expenses can range from legal and accounting fees to insurance premiums and office supplies.

Insurance Premiums

Running a business involves risks, and insurance helps protect you from potential losses. Fortunately, most business-related insurance premiums are tax-deductible. This includes:

  • Professional Indemnity Insurance: If your business provides professional services, you’ll likely need indemnity insurance, which is deductible.
  • Public Liability Insurance: Coverage for public liability, which protects your business in case a customer or third party is injured on your premises, is deductible.
  • Workers’ Compensation Insurance: If you have employees, you’ll need workers’ compensation insurance, which is another deductible expense.

Legal And Accounting Fees

The cost of hiring professionals to manage your tax affairs, offer legal advice, or handle other financial matters can be claimed as a tax deduction. For example:

  • Legal Fees: If you need a lawyer to help with business contracts, intellectual property, or disputes, those fees are deductible.
    Example: If you consult with a lawyer to draft a new contract for your employees, the legal fees are tax-deductible.
  • Accounting Fees: Hiring an accountant to manage your tax returns or provide ongoing financial advice is another deductible expense.
    Real-world example: If you hire an accountant in Melbourne to help with your tax planning, those fees are deductible as part of your business expenses.

Technology Costs: Software And Subscriptions

As businesses become more digital, the cost of software, cloud subscriptions, and IT services has also increased. Fortunately, these are generally deductible as operating expenses.

  • Software Subscriptions: If you use accounting software like Xero or project management tools like Trello, you can claim the cost as a tax deduction.
    Example: If you pay $1,000 annually for accounting software, you can deduct the full cost of that subscription.
  • Website Maintenance: Costs associated with maintaining and updating your business website are also deductible.
    Real-world scenario: Let’s say you hire a developer to make updates to your e-commerce website. The fees for these services can be deducted from your taxable income.

In addition, if you purchase technology-related items such as laptops or printers, those costs may be deductible either as operating expenses or through depreciation (depending on the item’s value).

Motor Vehicle And Travel Expenses For Business

For businesses that involve travelling or using vehicles for work purposes, there are tax deductions available for those expenses. Let’s take a closer look at how you can claim these costs.

How To Deduct Motor Vehicle Costs?

If you use a vehicle for business purposes, you can deduct the associated expenses. There are two main methods for claiming motor vehicle expenses:

  • Cents Per Kilometre Method: You can claim a set rate for each business kilometre travelled, up to 5,000 kilometres per year.
    Example: If you drive 1,000 kilometres for business purposes in a financial year, you can claim the relevant cents-per-kilometre rate (currently 72 cents per km in the 2023–2024 tax year).
  • Logbook Method: If you use the vehicle for both personal and business purposes, you can keep a logbook for 12 consecutive weeks to calculate the percentage of business use. You can then claim that percentage of all vehicle-related costs, such as fuel, insurance, and maintenance.
    Example: If you use your vehicle for business 70% of the time, you can claim 70% of your vehicle expenses.

Business Travel Expenses

Business travel expenses are another area where you can claim deductions. You can deduct costs for:

  • Airfares, Accommodation, and Meals: If you’re travelling for business, the costs for flights, accommodation, and meals are generally deductible.
    Example: A Melbourne-based consultant travels to Sydney for a conference. The cost of flights, hotel stays, and meals while attending the conference can all be claimed as business expenses.
  • Local Travel Between Work Sites: If you travel between multiple workplaces or client meetings, those travel costs are deductible.
    Real-world scenario: A contractor who travels to different job sites across the city can deduct the costs of petrol and parking fees.

However, travel expenses for personal trips, including commuting from home to your regular workplace, are generally not deductible.

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Home-Based Business Expenses And Their Deductions

For many business owners, especially in the post-pandemic world, working from home has become the new norm. If your home is your primary place of business, you might be eligible to claim a portion of your home expenses. However, there are some important considerations to keep in mind.

How To Deduct Running Costs When You Work From Home

Running a business from home means you’re likely to incur extra costs for things like electricity, heating, cleaning, and phone bills. If these costs are related to your business activities, you can claim a deduction for a portion of them.

  • Electricity and Heating: You can claim a portion of your electricity bills, depending on how much of your home is used for business activities. For example, if your office takes up 20% of your home, you can claim 20% of your electricity costs.
    Real-world example: If your electricity bill is $300 per quarter, you could claim $60 as a business expense (20% of $300).
  • Phone and Internet: If you use your phone and internet for both personal and business purposes, you can claim the business portion of these expenses.
    Example: If you have a $100 monthly phone bill and 50% of the calls are business-related, you can claim $50 as a deductible expense.
  • Cleaning and Maintenance: If you hire someone to clean your home office or maintain the space, these costs can be claimed as well.

However, when it comes to occupancy expenses (like mortgage interest, rent, or property taxes), you’ll need to take a closer look at whether your home office meets the criteria for deductions.

Occupancy Expenses And Their Tax Implications

Occupancy expenses include costs like rent, mortgage interest, property insurance, and council rates. If you use part of your home exclusively for business, you might be able to claim a portion of these costs.

However, Capital Gains Tax (CGT) implications need to be considered. If you claim a portion of your home as a business expense, it could affect the main residence exemption when you sell the property, potentially leading to a higher capital gains tax bill.

  • Example: If you have a home office and claim a portion of your rent and mortgage, you might need to pay CGT on that part of your home when you sell it. This can be a significant consideration for business owners with home offices.

To avoid surprises down the road, it’s a good idea to consult a tax advisor if you’re claiming occupancy expenses, especially if you plan to sell your property.

Capital Expenses And Depreciation: What Can You Deduct?

While operating expenses are usually claimed in the year they’re incurred, capital expenses are for assets that will provide long-term benefits for your business. These include items like vehicles, machinery, and office equipment. Instead of claiming the full cost upfront, you typically deduct them over time using depreciation.

How Depreciation Works And Which Assets Qualify?

Depreciation is the process of deducting the cost of an asset over its useful life. Different types of assets have different depreciation rates, and the ATO provides guidelines on how to calculate depreciation.

  • Example: If you purchase a computer for your business, you can claim a deduction for the computer’s depreciation each year. The depreciation rate for computers is typically higher than for other assets because they lose value quickly.
  • Instant Asset Write-Off (IAWO): For small businesses with an annual turnover under $10 million, the IAWO scheme allows for an immediate deduction for eligible assets purchased for under $20,000. This can be a great way to reduce your taxable income in the year the asset is purchased.
    Example: If you buy a new printer for your business that costs $3,000, you can immediately claim the full $3,000 as a tax deduction in the same year.
  • Small Business Depreciation Pool: If your asset costs more than $20,000, it may be placed in a small business simplified depreciation pool, and you can claim depreciation at a set rate.

Non-Deductible Capital Expenses

While many capital expenses are deductible over time, some expenses do not qualify for depreciation or immediate deductions. For example:

  • Land and Buildings: The cost of land and buildings cannot be depreciated. However, if you make improvements or renovations to these assets, the cost of those improvements may be deductible under certain circumstances.
  • Personal Assets: Personal items, such as clothing or household goods, are generally not deductible unless they are directly related to business use (e.g., work uniforms or protective gear).

Non-Deductible Business Expenses: What You Can’t Claim

It’s just as important to know what not to claim as it is to know what you can claim. The ATO has specific rules about what is not deductible for business expenses. Let’s take a look at some common non-deductible items.

Understanding What’s Not Tax Deductible

  • Private or Domestic Expenses: You cannot claim personal expenses, such as groceries, personal phone bills, or child care costs.
    Example: If you buy lunch for yourself, that expense is private and not deductible, even if you discuss business during the meal.
  • Entertainment Expenses: Generally, entertainment expenses like going to dinner with a client or attending sporting events are not deductible, unless they are directly related to business activities, and even then, the deductions are limited.
  • Traffic Fines and Penalties: If you incur traffic fines or other penalties, these are not deductible, even if they are incurred during business travel.
  • Clothing: Most clothing is not deductible unless it is occupation-specific or required for safety (like a uniform with a logo or protective gear).
    Example: A suit worn to client meetings is not deductible, but a uniform required for your profession (e.g., a chef’s coat) may be.

Navigating tax deductions for your business can feel daunting, but it’s crucial to ensure that you’re claiming the correct expenses to minimise your tax liability. By adhering to the ATO’s guidelines and keeping accurate records of all your business expenses, you can make sure you don’t leave any money on the table. Whether it’s operating costs like rent and utilities, employee expenses, or depreciation of assets, every penny counts.

Don’t forget to consult a tax professional if you’re unsure about any complex deductions, especially when it comes to home-based business expenses or capital expenses. By staying organised and proactive, you can maximise your business’s tax savings and ensure you’re fully compliant with Australian tax laws.

Brendan Thorp is a Director and Business Advisory Specialist at Bookkept, bringing eight years of dedicated experience in tax and small business advisory. As a Certified Practising Accountant and registered Tax Agent, he specialises in helping businesses optimise their operations through strategic financial solutions and digital transformation. Brendan holds dual qualifications from the University of Newcastle in Commerce and Business, and is known for his ability to translate complex tax regulations into actionable business strategies. When he's not advising clients across various industries from hospitality to healthcare, you'll find him actively engaged in community leadership through local sporting clubs and professional associations.

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