Expense tracking for your business: steps and tips

Published Friday 20 March 2026

Table of contents

• What is expense tracking?
• What are business expenses?
• Why tracking business expenses matters
• What are tax deductible expenses?
• How expense tracking lowers your tax bill
• Types of business expenses you should track
• How to track business expenses: step-by-step
• Choosing the right expense tracking tools
• Managing expense reimbursements
• Best practices for expense tracking
• Track business expenses easily with Xero
• FAQs on tracking business expenses

Key takeaways

• Open a separate business bank account to keep personal and business finances completely separate, as this single step makes expense tracking significantly easier and cleaner for tax purposes.
• Record expenses in real time rather than waiting until tax season, using digital tools to capture receipts immediately with your phone to avoid missing deductions and reduce year-end workload.
• Set up clear expense categories that match your business type, such as operating expenses, travel costs, and professional services, to organise your records systematically and ensure you don't miss any tax-deductible items.
• Automate your expense tracking using accounting software with bank feeds and receipt capture features to save time, reduce errors, and maintain accurate financial records that your accountant can access in real time.

What is expense tracking?

Expense tracking is the process of recording, categorising, and monitoring all the money your business spends. It gives you a clear picture of where your cash goes and helps you stay in control of your finances.

At its core, expense tracking answers a simple question: how much did you spend, and on what?

For small businesses, tracking expenses is essential for:

• understanding your true costs
• preparing accurate tax returns
• identifying opportunities to save money
• making informed decisions about pricing and budgets

Many business owners assume they have a spending problem when the real issue is a visibility problem. Consistent expense tracking solves that.

What are business expenses?

Business expenses are the costs you incur to run your company. They include spending on inventory, supplies, insurance, rent, and utilities.

When you subtract expenses from income, you get your profit. Tracking these costs accurately is essential for understanding your true financial position.

Why tracking business expenses matters

Tracking your business expenses helps you control how profitable you are and decide wisely. It also benefits you practically by saving time and money.

Key benefits of expense tracking include:

• Accurate budgeting: Understand exactly where your money goes
• Lower tax bills: Claim all eligible deductions without missing any, including special government incentives like a 20% bonus deduction on expenditure to improve energy efficiency
• Simpler reimbursements: Repay employees, family, or friends who purchase items for the business
• Better cash flow visibility: Spot spending patterns and opportunities to cut costs

You can use accounting software like Xero to track and manage business expenses.

What are tax deductible expenses?

Tax deductible expenses are business costs the ATO allows you to subtract from your taxable income. To qualify, the expense must be directly related to earning your business income.

Not every purchase counts as a deduction. The ATO sets specific rules about what qualifies.

For detailed guidance, check the ATO website or speak with a tax professional about your specific situation.

How expense tracking lowers your tax bill

Missing expenses means paying more tax than you need to. Your business pays tax on profits, and you report those profits to the ATO at the end of each financial year.

If you forget to record an expense, your profits appear higher than they actually are. This results in a bigger tax bill for income you didn't really earn.

Tracking your expenses accurately ensures you only pay tax on your true profits.

Types of business expenses you should track

Most business expenses fall into common categories. When you understand these, you can organise your records and ensure you don't miss any deductions.

Common expense categories include:

• Operating expenses: Rent, utilities, internet, phone, and insurance
• Cost of goods sold: Raw materials, inventory, and direct production costs
• Employee costs: Wages, superannuation, and workers compensation
• Travel and transport: Fuel, flights, accommodation, and vehicle expenses
• Professional services: Accountant fees, legal advice, and consulting
• Marketing and advertising: Website costs, social media ads, and promotional materials
• Office supplies: Stationery, software subscriptions, and equipment
• Home office expenses: A portion of rent, utilities, and internet if you work from home

The categories you use will depend on your business type. Your accountant can help you set up a structure that works for your situation.

How to track business expenses: step-by-step

You don't need a complicated system to track expenses reliably. Follow these steps to get organised.

1. Open a separate business bank account: This is the most important step. Keeping business and personal finances separate makes tracking much easier.
2. Choose your tracking method: Decide if you'll use a spreadsheet, a dedicated app, or accounting software like Xero.
3. Set up expense categories: Create categories that match your business type, like the ones listed above.
4. Capture and store receipts: Keep a digital copy of every receipt. You can use your phone to take a picture as soon as you make a purchase.
5. Record expenses regularly: Make it a habit to enter your expenses daily or weekly. This avoids a big pile of work at the end of the month.
6. Reconcile your accounts: Regularly check that the expenses recorded in your system match your bank statements.

Choosing the right expense tracking tools

The right tool depends on your business size, transaction volume, and how much time you want to spend on bookkeeping.

Manual tracking (paper ledger or cash book)

• Works best for very small businesses with few transactions
• Costs little but takes time and creates errors easily
• Struggles to generate reports or share information with your accountant

• Offer flexibility and familiarity for most people
• Require manual data entry and formula maintenance
• Lack automatic bank feeds or receipt capture

Expense tracking apps

• Capture receipts and submit claims on the go
• Integrate with accounting software
• Work well for businesses with employees who travel or make purchases

Accounting software like Xero

• Automates bank feeds, categorisation, and reconciliation
• Stores receipts digitally and links them to transactions
• Generates reports and shares data with your accountant in real time

For most small businesses, accounting software automates tasks, improves accuracy, and saves time. Adopting digital tools may also be supported by incentives like the technology investment boost, which offers a bonus deduction on what you spend to digitise your business.

Managing expense reimbursements

When employees or others buy things for the business with their own money, you need to pay them back and record the expense clearly.

When you reimburse an expense, you transfer a cost from an individual back to the business. The process involves three steps:

1. Repay the person who made the purchase
2. Record the expense in your business accounts
3. Store proof of purchase for tax purposes

Before you can reimburse anyone, you need to know what they spent. Expense reports capture this information.

An expense report captures the essential details of each purchase. Every report should include:

• Who: Name of the person who made the purchase
• What: Description of the item or service
• When: Date of the purchase
• Why: Business purpose for the expense
• How much: Total amount spent
• Proof: Receipt or invoice attached

For occasional claims, a simple template works well. If your team submits expenses regularly, consider an app that lets them photograph receipts and submit claims from their phone.

Best practices for expense tracking

Tracking expenses consistently requires you to be disciplined, but it pays off. Here are some tips to keep your system running smoothly:

• Track in real time: Record expenses as they happen rather than waiting until tax time.
• Go digital: Store receipts electronically so they're easy to find and won't fade or get lost.
• Review regularly: Check your expense categories monthly to spot errors or unusual spending.
• Keep business and personal separate: Use a dedicated business account and card wherever possible.
• Automate where you can: Connect your bank feeds and use software that categorises expenses for you.
• Work with your accountant: Get their input on expense categories and deduction opportunities.

Tracking consistently saves time, reduces errors, and ensures you're ready when tax season arrives.

Track business expenses easily with Xero

Good expense tracking keeps your finances organised, maximises your tax deductions, and helps you feel confident in your numbers. The key is finding a system that fits your workflow and sticking with it.

With Xero, you can automate bank feeds, capture receipts on your phone, and see exactly where your money goes. Your accountant or bookkeeper can access the same data in real time, making tax time simpler for everyone.

Ready to simplify your expense tracking? Get one month free and see how Xero makes managing business expenses effortless.

FAQs on tracking business expenses

Here are answers to common questions about tracking business expenses.

What is expense tracking?

Expense tracking is the process of recording and categorising every cost your business incurs. It helps you understand where your money goes and ensures you claim all eligible tax deductions.

What expenses should I track for my business?

Track any cost directly related to running your business, including rent, utilities, supplies, travel, professional services, and employee wages. If in doubt, record it and check with your accountant.

Can I use my personal bank account for business expenses?

You can, but it's not recommended. Mixing personal and business finances makes expense tracking harder and can create problems at tax time. A separate business account keeps your records clean.

How long should I keep expense records?

The ATO requires you to keep records for five years. Specifically, the 5-year retention period starts from when you prepared or obtained the record, or completed the related transaction, whichever is later. Storing receipts, invoices, and bank statements digitally is the best way to ensure they're easy to find and won't deteriorate.

Do I need expense tracking software or can I use spreadsheets?

Spreadsheets work for simple businesses with few transactions. As your business grows, software like Xero saves time through automation, reduces errors, and makes it easier to share data with your accountant.