How Much Tax Should a Small Business Actually Be Paying?

Many business owners eventually ask the same question.

How much tax should my business actually be paying?

Some business owners worry they are paying too much tax. Others worry they are not putting enough money aside and will receive a large bill later.

The reality is that the amount of tax a business pays depends on several factors including business structure, profit levels, and how well the business plans ahead during the year.

Understanding how tax works can help business owners stay in control and avoid unexpected surprises.

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Business structure plays a major role

The structure of your business has a direct impact on how tax is calculated.

In Australia the most common business structures include sole trader, partnership, company, and trust. Each structure is taxed differently.

For example, companies typically pay a flat company tax rate while sole traders pay tax based on individual income tax brackets. As income increases, those tax rates also increase.

This means two businesses earning the same profit may end up paying different amounts of tax depending on their structure.

Reviewing your business structure regularly can ensure it still makes sense as your business grows.

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Tax is calculated on profit, not revenue

Many business owners believe tax is based on total revenue. In reality, tax is calculated on profit.

Profit is the amount remaining after business expenses are deducted from revenue.

These expenses may include wages, rent, equipment purchases, software, insurance, vehicle costs, and professional services.

For example:

1. Revenue: $500,000
2. Expenses: $350,000
3. Profit: $150,000

The tax is calculated on the $150,000 profit rather than the full revenue amount.

This is why accurate bookkeeping and financial reporting are critical for any business.

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Why tax planning should happen during the year

Many businesses only think about tax when the financial year ends.

By that point there are often very few opportunities left to plan or make adjustments.

Businesses that review their numbers regularly throughout the year are able to make smarter decisions. They understand their profit levels, manage deductions properly, and prepare for upcoming tax obligations.

Proactive tax planning strategies helps reduce stress and allows business owners to stay ahead of their obligations.

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Setting money aside for tax

One of the most common mistakes businesses make is failing to set aside money for tax during the year.

A practical approach is to move a percentage of profit into a separate account regularly. This ensures the funds are available when tax obligations fall due.

The percentage will vary depending on the structure and profitability of the business, but having a disciplined system in place can significantly reduce financial pressure later.

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Why understanding your numbers matters

Businesses that understand their financial numbers tend to make better decisions.

Regular financial reviews help business owners understand how their business is performing, what their obligations are likely to be, and where improvements can be made.

Many businesses benefit from ongoing business advisory support that helps them review financial performance and plan ahead.

Tax should never feel like a surprise.

With the right financial systems and advice in place, it becomes a predictable part of running a successful business.

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Need help understand your business tax position?

If you are unsure whether your business is paying the right amount of tax, it may be time to review your structure, reporting, and tax planning strategy.

Kantor Advisory Group works with businesses across Perth to provide accounting, tax planning, and business advisory services that help business owners stay compliant and make better financial decisions.

If you would like clarity around your numbers, speak with a Perth business accountant at Kantor Advisory Group.