Content reviewed and verified by Graham Chee, with FCPA-led practice at Local Knowledge, Mascot NSW. Continuous CPA Australia member since 1986. Prior career at Goldman Sachs, BNP Investment Management and Merrill Lynch.. Last reviewed April 2026. Next review scheduled for July 2026.
In Australia's current economic climate, high inflation isn't just a headline – it's a tangible force impacting every aspect of business operations, from supply chains to consumer spending. For Australian Small to Medium Enterprises (SMEs), this challenge is compounded by a less obvious, yet equally potent, phenomenon known as 'bracket creep'. Often discussed in the context of individual taxpayers, bracket creep has significant, often overlooked, implications for businesses, particularly when combined with persistent high inflation. This article, guided by Principal Advisor Graham Chee (FCPA, CPA) drawing on Fellow CPA Australia status and prior institutional roles, will dissect how these economic pressures create a 'stealth tax' that silently erodes your business's real profitability. We will move beyond generic tax advice to provide a granular understanding of how bracket creep affects your effective tax rate and offer strategic adjustments to mitigate its impact. By the end of this read, you will have a clearer picture of this complex economic phenomenon and actionable insights to safeguard your business's financial health in an inflationary environment.
Bracket creep, also known as fiscal drag, occurs when inflation pushes nominal incomes into higher tax brackets, even if real purchasing power has not increased. For individuals, this means a larger proportion of their income is taxed at a higher rate. While often framed as an individual concern, its impact on Australian businesses is profound and multifaceted. Firstly, it affects your employees: as their wages rise to keep pace with inflation, they may move into higher tax brackets, reducing their take-home pay. This can lead to increased pressure for higher wage demands, directly impacting your business's labour costs and profitability. Secondly, it indirectly impacts your business's tax position. While businesses generally pay a flat company tax rate (currently 25% for small businesses with aggregated turnover under $50 million, and 30% for others) [ATO: Company tax rates], the real value of deductions, thresholds, and capital allowances can diminish under inflation. Moreover, as your business's nominal revenue and profits grow due to inflation, without a corresponding increase in real economic activity, you might find yourself hitting thresholds for various government grants, incentives, or even eligibility for the lower corporate tax rate, which are often not indexed to inflation. This can lead to a higher effective tax rate for your business, even if your real economic performance remains stagnant or declines. Understanding this mechanism is crucial for accurate financial forecasting and strategic planning.
The current environment of high inflation acts as a powerful amplifier for the effects of bracket creep, exacerbating the hidden tax burden on Australian businesses. When inflation is low and stable, the effects of bracket creep are gradual and less pronounced. However, with inflation rates significantly higher, the speed at which nominal values increase accelerates, pushing businesses and their employees into higher tax territories much faster. Consider the impact on your business's capital investments. Depreciation deductions, for instance, are based on the historical cost of an asset. In a high-inflation environment, the real value of these deductions diminishes rapidly, as the cost to replace that asset later will be significantly higher. This effectively increases your taxable income in real terms. Similarly, the value of inventory held can be overstated if accounting methods don't adequately reflect inflationary pressures, potentially leading to higher taxable profits than real economic gains would suggest. The Australian Taxation Office (ATO) provides guidance on various accounting methods, but their application needs careful consideration in inflationary times [ATO: Goods and services tax (GST)]. Furthermore, high inflation often leads to rising interest rates, increasing the cost of borrowing for businesses. While interest expenses are generally deductible, the real cost of servicing debt can still be higher, and the interplay with inflation-driven revenue growth can create a complex scenario where nominal profits increase, but real cash flow suffers, yet tax liabilities rise in tandem with nominal profits. This dynamic requires a sophisticated approach to financial management and tax planning.
Proactively addressing bracket creep and inflationary tax erosion requires a strategic and informed approach. Australian businesses cannot simply absorb these hidden costs; mitigation is essential for sustaining real profitability and cash flow. Here are key strategies to consider:
Successfully navigating the complex interplay of bracket creep and high inflation requires practical, ongoing vigilance and expert guidance. Here’s a numbered process outlining key steps Australian SMEs can take:
While company tax rates are generally flat (25% for eligible small businesses, 30% for others), bracket creep can indirectly increase your effective tax rate. For example, if nominal turnover increases due to inflation, you might cross the $50 million aggregated turnover threshold, making your business ineligible for the lower 25% rate and pushing you into the 30% bracket, even if real sales volume hasn't grown. Additionally, the real value of deductions and thresholds diminishes, meaning a larger proportion of your real profit is subject to tax [ATO: Company tax rates].
Inflation significantly erodes the real value of depreciation deductions. Depreciation is calculated based on the historical cost of an asset. In a high-inflation environment, the cost to replace that asset in the future will be substantially higher than its original purchase price. This means the depreciation deduction you claim today, while reducing your nominal taxable income, is insufficient to cover the real economic cost of asset wear and tear or future replacement, effectively increasing your real tax burden [ATO: Depreciation and capital allowances].
Yes, inventory valuation can be significantly impacted. If your business uses the First-In, First-Out (FIFO) accounting method during periods of high inflation, the cost of goods sold (COGS) will be based on older, lower inventory costs. This can artificially inflate your reported profits, leading to a higher taxable income and a greater tax liability, even if your real profit margins haven't improved. While AASB standards typically guide financial reporting, understanding the tax implications is crucial [ATO: Valuing trading stock].
While there aren't specific incentives directly targeting 'bracket creep' for businesses, the Australian government does offer various tax incentives and support programs that can indirectly help mitigate the effects of inflation on your tax burden. Examples include the R&D Tax Incentive, instant asset write-off provisions (when active), and various grants for specific industries or activities. Staying informed about these programs and ensuring your business meets eligibility criteria is key to reducing your effective tax rate [business.gov.au: Grants & programs].
In an inflationary period, an Australian SME should review its tax strategy much more frequently than in stable economic times. While an annual review is standard, quarterly or even monthly check-ins with your FCPA are advisable to monitor the impact of inflation on your revenue, costs, and tax thresholds. This allows for proactive adjustments to pricing, inventory management, capital expenditure, and debt strategies to mitigate the 'stealth tax' effects of bracket creep and maintain real profitability [APESB: Code of Ethics for Professional Accountants].
In principal-led practice, we've observed that the most resilient businesses in high-inflation environments are those that proactively engage with their financial data and seek expert guidance. It's not enough to simply react; understanding the subtle, yet powerful, forces of bracket creep and inflation requires a forward-looking strategy. Our role is to translate complex economic realities into actionable financial strategies, ensuring our clients not only comply with their obligations but also optimise their financial position against these hidden challenges.
Understanding bracket creep and high inflation is the first step. Implementing effective strategies to mitigate their impact is where real value is created. Don't let these hidden economic forces silently erode your business's profitability. Speak with our principal at Local Knowledge to develop a tailored strategy for your Australian SME.

Principal and Founder, Local Knowledge
Graham Chee is the principal and founder of Local Knowledge, an FCPA-led Australian practice that brings institutional-grade compliance, investment-structure and intellectual-property experience directly to owner-managed businesses. Graham is a Fellow of CPA Australia (FCPA since November 2005, continuous CPA member since 1986) and holds the OCEG Governance, Risk & Compliance Professional (GRCP) and Governance, Risk & Compliance Auditor (GRCA) designations. His prior career includes senior roles at Goldman Sachs, BNP Investment Management and Merrill Lynch. Graham was previously portfolio manager of the Asian Masters Fund (IPO December 2007 – 31 December 2009), which returned +29% in AUD terms versus the MSCI Asia Pacific (ex Japan) benchmark. He signs off on 100% of client files personally.
Areas of Expertise:
This article provides general information only and does not constitute financial or tax advice. The economic landscape and tax legislation are complex and subject to change. For advice specific to your situation, please speak to us. Every file is signed off by our principal under the CPA Code of Ethics to ensure accuracy and compliance.
Graham Chee FCPA, CPA, GRCP, GRCA · Principal, Local Knowledge · Mascot NSW · CPA-signed files