Guide

Track business expenses with simple steps and tools

Learn how to track business expenses to save time, stay on budget, and make tax time easier.

A small business owner’s hands using expense tracking software

Written by Lena Hanna—Trusted CPA Guidance on Accounting and Tax. Read Lena's full bio

Published Thursday 2 April 2026

Table of contents

Key takeaways

  • Separate your business and personal finances by opening a dedicated business bank account and using it exclusively for business expenses to simplify tracking and tax preparation.
  • Record expenses within 24 hours of purchase and digitise receipts immediately using your phone's camera to prevent lost documentation and forgotten transactions.
  • Use consistent expense categories that match your tax return requirements and reconcile your records against bank statements monthly to catch errors and ensure accuracy.
  • Keep digital copies of all business expense records for at least five years from your tax return date, as these serve as proof for deductions and audit requirements.

What are business expenses?

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

When you calculate profits, you subtract expenses from income. Tracking these costs accurately helps you understand your true profitability.

Why tracking business expenses matters

Tracking business expenses gives you control over your finances and helps you make better decisions. Here's why it matters:

  • lower your tax bill: Capture every deductible expense so you don't overpay at tax time
  • control your budget: See exactly where your money goes and spot overspending early
  • improve cash flow visibility: Know your real-time financial position to plan ahead
  • stay compliant: Keep accurate records for audits and regulatory requirements
  • reimburse accurately: Pay back employees, family, or friends who purchase items for the business

Common challenges with manual expense tracking

Manual expense tracking creates problems that cost you time and money. Here are the most common issues:

  • losing receipts: Paper receipts fade, get misplaced, or end up scattered across wallets, drawers, and email inboxes
  • missing deductions: Without a system, you forget to record expenses and lose out on legitimate tax deductions
  • mixing spending: Using personal cards for business purchases makes it hard to separate costs at tax time
  • entering data manually: Manually entering expenses into spreadsheets takes hours you could spend on your business
  • maintaining inconsistent records: Sporadic tracking leads to incomplete financial data and unreliable reports
  • stressing at tax time: Scrambling to gather documentation before deadlines creates unnecessary pressure

A reliable tracking system solves these problems and keeps your finances organised year-round.

How to track business expenses: 6 steps

Follow these steps to build a reliable expense tracking system for your business.

1. Open a dedicated business bank account

Separate your business and personal finances from day one. A dedicated business account makes it easier to track spending, simplifies tax preparation, and creates a clear audit trail.

Consider getting a business credit card too. It helps you track purchases automatically and may offer rewards on business spending.

2. Digitise receipts immediately

Capture receipts the moment you receive them using your phone's camera or a receipt scanning app. Paper receipts fade and get lost, but digital copies stay organised and searchable.

Store digital receipts in a consistent location, whether that's cloud storage, accounting software, or a dedicated expense app.

3. Record expenses as they happen

Log each expense within 24 hours of the purchase. Waiting until the end of the week or month leads to forgotten transactions and incomplete records.

Include these details for each expense:

  • date of purchase
  • amount paid
  • vendor or supplier name
  • category (for example, office supplies, travel, or utilities)
  • business purpose

4. Categorise expenses consistently

Use the same categories every time to make reporting and tax preparation easier. Common expense categories include:

  • advertising and marketing
  • office supplies and equipment
  • travel and transport
  • professional services
  • utilities and rent
  • insurance
  • inventory and stock

Match your categories to your tax return requirements so you can transfer totals directly at year-end.

5. Separate personal and business expenses

Never mix personal spending with business accounts. If you do make a personal purchase with a business card, record it immediately and reimburse the business.

For expenses that cover both personal and business use (like a mobile phone), calculate and record only the business portion.

6. Reconcile accounts regularly

Compare your recorded expenses against bank statements at least monthly. Reconciliation catches errors, identifies missing transactions, and ensures your records match your actual spending.

Set a recurring calendar reminder to complete reconciliation before it becomes a bigger task.

Best expense tracking methods for small businesses

Choose a tracking method that matches your business size, transaction volume, and budget.

Manual tracking with spreadsheets

Spreadsheets work for businesses with few monthly expenses. You can create a simple template with columns for date, amount, category, and description.

  • Best for: Solopreneurs with fewer than 20 transactions per month
  • Pros: Free, flexible, and familiar
  • Cons: Time-consuming, prone to errors, and no automation

Accounting software with built-in expense tracking

Accounting software like Xero combines expense tracking with your broader financial management. You can connect with over 1,000 apps, allowing expenses from platforms like Shopify and Stripe to sync with your accounts for automatic reconciliation and reporting.

  • Best for: Growing businesses that need invoicing, reporting, and expense tracking in one place
  • Pros: Automated bank feeds, real-time visibility, and integrated reporting
  • Cons: Monthly subscription cost

Dedicated expense tracking apps

Standalone expense apps focus specifically on capturing and categorising spending. Many integrate with accounting software to sync your data automatically.

  • Best for: Businesses with employees who submit expense claims regularly
  • Pros: Mobile receipt capture, approval workflows, and policy enforcement
  • Cons: May require separate accounting software for full financial management

How to manage receipts and documentation

Keep proof of purchase for every business expense to support tax deductions and satisfy audit requirements. Here's how to stay organised.

What documentation to keep

For each expense, retain records that show:

  • the amount paid
  • the date of the transaction
  • the name of the supplier or vendor
  • the nature of the goods or services purchased

Digital versus paper receipts

Digital receipts are generally acceptable for tax purposes. According to Internal Revenue Service (IRS) guidance, the agency accepts digital records as long as they are accurate, complete, and reproducible in a legible format. Scan or photograph paper receipts promptly, as thermal paper fades over time.

Store digital copies in a secure, backed-up location. Cloud-based accounting software can store receipts alongside the corresponding transactions.

How long to keep expense records

Retain business expense records for at least five years from the date you lodge your tax return. Some situations require longer retention. For example, if you claim a deduction for bad debt, the IRS has seven years to question it. Always check with your accountant or tax advisor if you're unsure.

Organise records by financial year so you can locate documentation quickly if needed.

How to reimburse expenses

Expense reimbursement transfers a cost from an individual back to the business. This happens when owners, employees, or family members pay for business items using personal funds.

A reimbursement involves three steps:

  1. repay the individual who paid the expense
  2. record the cost in your business accounts
  3. attach proof of purchase for tax-deductible expenses

You can't reimburse expenses you don't know about. Create a simple process for people to report what they've spent.

Creating expense reports

An expense report documents business spending so you can reimburse individuals and record costs accurately. Each report should capture:

  • what was purchased
  • who made the purchase
  • when the transaction occurred
  • why the expense was necessary
  • how much was paid
  • proof of purchase (receipt or invoice)

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

Expense tracking software for small businesses

Expense tracking software automates the manual work of recording, categorising, and reconciling business spending. The right tool saves time and reduces errors.

Look for software that offers:

  • automatic bank feeds: Import transactions directly from your bank account
  • receipt capture: Scan and attach receipts to transactions using your phone
  • category rules: Automatically assign expenses to the correct category
  • real-time reporting: See your spending patterns and totals instantly
  • integration: Connect with your accounting, payroll, and other business tools. Some platforms offer valuable integrations like built-in support for local tax laws (value-added tax, goods and services tax, 1099).

With Xero, you get built-in expense tracking alongside invoicing, bank reconciliation, and financial reporting. You can capture receipts, categorise spending, and see your cash position in one place.

Build an expense tracking system that works for your business

A sustainable expense tracking system fits your workflow and becomes routine. Here's how to make it stick:

  • set a regular schedule: Block time weekly or monthly to review and reconcile expenses
  • automate where possible: Use bank feeds and category rules to reduce manual entry
  • create clear policies: Define what counts as a business expense and how to submit claims
  • review and adjust: Check your system quarterly and refine what isn't working

The best system is one you'll actually use. Start simple, build habits, and add complexity only when needed.

Track business expenses with confidence using Xero

Tracking expenses doesn't have to be complicated. With the right system, you can capture every cost, stay organised for tax time, and see exactly where your money goes.

You can make expense tracking simple with Xero. Snap receipts on your phone, connect your bank accounts for automatic imports, and categorise spending with a few clicks. Real-time dashboards show your financial position so you can make confident decisions.

FAQs on tracking business expenses

Here are answers to common questions about tracking business expenses.

What is the best way to track business expenses?

Use dedicated business accounts, digitise receipts immediately, and record transactions as they happen. Accounting software like Xero helps automate this process.

How should I track business expenses for tax purposes?

Track expenses in categories that match your tax return requirements, keep proof of purchase for every deductible expense, and reconcile your records monthly to ensure accuracy before tax time.

What is the $75 receipt rule for business expenses?

In some jurisdictions, you don't need a receipt for expenses under $75, but you still need to record the amount, date, and business purpose. Check your local tax authority's requirements, as rules vary by country.

Should I keep digital or physical receipts?

Digital receipts are generally acceptable for tax purposes and easier to organise. Photograph or scan paper receipts promptly, as thermal paper fades over time.

How long should I keep business expense records?

Keep business expense records for at least five years from the date you lodge your tax return. Some situations may require longer retention, so consult your accountant if you're unsure.

Disclaimer

Xero does not provide accounting, tax, business or legal advice. This guide has been provided for information purposes only. You should consult your own professional advisors for advice directly relating to your business or before taking action in relation to any of the content provided.

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