Australian Taxation Office (ATO) debt has surged to record levels, and the “soft” post‑COVID environment is clearly over. For businesses with ATO arrears, this is no longer solely a tax problem – it is a serious funding, risk and continuity issue.
Instead of seeking external and sustainable finance, it is an all too familiar pattern for businesses that are facing cash‑flow pressure to use the "Bank of ATO" as a quasi overdraft facility. Unfortunately, this strategy often falls short, and the business then struggles when ATO enforcement knocks, such as in the current climate.
Recent ATO reporting shows total collectable tax debt now sitting well above $50 billion, with the small business sector responsible for around two‑thirds of this debt pool. The collectable debt‑to‑net tax collections ratio is higher than the ATO’s target, signalling that a larger share of liabilities is going unpaid.
For business owners, this indicates three key factors:
- The ATO is tightening and reversing the previous soft position it adopted in 2020
- There is increasingly less tolerance for chronic non‑payment
- Tax arrears now directly affect access to credit and impact commercial reputation
During and following the COVID-19 pandemic, many businesses became used to a softening of ATO policy regarding overdue tax debt. In 2026, that is no longer the case.
In 2024-2025, the ATO issued nearly 85,000 director penalty notices to individual directors, covering liabilities of $5.5bn. To end of FY25, around $1.2bn of these debts have been collected.
Then, from 1 July 2025, interest charges on business tax debt were deemed by the ATO as no longer tax-deductible, significantly increasing the cost of carrying that debt, further incentivising businesses to keep up with tax commitments.
Key collection strategies currently being used by the ATO include:
Director Penalty Notices (DPNs) where directors are personally liable for PAYGW, GST and Superannuation Guarantee (SG), in certain circumstances.
Getting in touch with the ATO is the key here. The ATO responds favourably to businesses that actively seek to engage in debt remediation.
This shift in ATO policy has serious implications for business owners and directors. Once a tax debt is reported or a DPN is issued, options narrow, and the flow-on cost of capital can rise sharply.
Looking beneath the headline numbers, the typical components of tax debt include:
Activity Statement Debt – especially GST, PAYGW and PAYGI, with these items representing a large share of the total collectable debt book.
Aside from tax debt, there are billions of dollars owing from unpaid Superannuation Guarantee contributions. A significant portion is still deemed collectable and owed by tens of thousands of employers.
While ATO tax debt is widespread across the economy, there are some industries that are consistently flagged as problematic. Three of these are:
Construction - This industry holds the largest disengaged collectable debt by value. Recent ATO breakdowns have calculated that there are over 14,000 affected taxpayers. In addition, this sector leads Australian insolvency statistics. While vital to Australia's economy, the construction sector faces increasing labour and material costs that can drain bank accounts at tax time.
Accommodation & Food Services - Hospitality businesses are heavily represented in ATO debt data, with disengaged collectable debt of more than a billion dollars across thousands of taxpayers. Wage‑heavy cost structures, seasonality and tight margins can cause cash flow issues that see BAS and Super obligations fall into arrears, despite the best intentions and budget forecasts.
Professional, Scientific and Technical Services - Professional Services firms are identified as carrying higher levels of tax debt relative to their economic footprint. In this sector, project revenue cycles and subsequent partner drawings can clash with PAYG and BAS Installment schedules. Even well-intentioned owners can be distracted by working in the business and lose sight of what is happening to the business.
As a result, businesses in these red flag sectors face tighter scrutiny from lenders when seeking credit. An experienced commercial finance broker will know how to position a reputable business so that it is not unfairly judged, along with contingency plans for managing debt repayments. Business finance solutions to pay out tax debt may also be a sustainable long-term solution.
MCP has many success stories to share of construction, hospitality and professional services business who have successfully obtained commercial finance for business growth, equipment and property needs.
Accountants and advisors can support these sectors with proactive conversations about ATO exposure, director risk and sustainable funding options appropriate to both short-term and long-term business needs.