Tax debt is the most common reason Australian business owners come to a private lender — and the most misunderstood. Left unmanaged, an ATO debt compounds daily, can escalate into enforcement, and quietly poisons your ability to refinance anywhere. But if you own property with equity, it's also one of the most solvable problems in business finance. Here's how a second mortgage clears it.
Why ATO debt gets worse faster than other debt
Three mechanics make tax arrears uniquely dangerous:
- The general interest charge compounds daily at a rate substantially above typical secured lending rates — so the debt grows while you deliberate.
- Enforcement escalates. The ATO's toolkit includes garnishee notices on your bank accounts and debtors, and director penalty notices that can make company tax debts personally payable by directors.
- Visibility. Significant overdue business tax debts can be disclosed to credit reporting bureaus, which mainstream lenders treat as a serious red flag.
That last point creates the trap: the longer the debt sits, the less likely a bank is to refinance you out of it.
Why the banks say no
Most banks treat outstanding tax debt as evidence of distress rather than a problem to be financed. Even businesses with strong equity and solid trading are routinely declined the moment ATO arrears appear in the application. Payment plans help, but a defaulted payment plan puts you in a worse negotiating position than before it started.
How the second mortgage solution works
If you or your business owns real property with equity, a second mortgage lets you raise capital against that equity without touching your existing home loan or bank facility. The structure:
- Your first mortgage stays exactly where it is — same bank, same rate, same repayments. No refinance required.
- A second mortgage is registered behind it, secured by the equity above your bank's debt.
- The ATO is paid out directly at settlement, stopping interest accrual and any enforcement in its tracks.
- You exit on your terms — typically a refinance back to mainstream lending once the tax debt (and its footprint) is cleared, or a planned sale or cash event.
Because the assessment is anchored to the property and the exit rather than your credit file, an existing tax debt does not disqualify you. It's usually the very reason for the loan.
What we look at
Assessment on these deals is refreshingly simple: the property and its value, the combined debt position against it (we consider combined loan-to-value ratios up to around 80% depending on the security), the amount needed to clear the ATO in full, and a realistic exit. Terms typically run from a few months to two years, with interest capitalised where cash flow is tight — meaning no monthly repayment burden while you stabilise.
A typical scenario
A trades business owes the ATO a six-figure sum accumulated through a difficult year. The directors own commercial premises with a modest bank debt and substantial equity. A second mortgage against the premises pays the ATO in full at settlement. Twelve months later, with clean tax lodgements and the arrears gone from view, the business refinances the whole position with a mainstream lender at bank rates. The private loan was never the destination — it was the bridge back to bankability.
Move before the deadline, not after
The single biggest factor in these deals is timing. A borrower who acts while a payment plan is intact, or before a garnishee lands, has options and negotiating power. A borrower who waits until enforcement is underway is solving a harder problem under worse conditions. If ATO debt is building, get an assessment done now — a decision costs nothing and takes 24 hours, with urgent settlement available where a deadline is bearing down.
This article is general information only and doesn't constitute financial or tax advice. Consider speaking with your accountant or adviser about your specific circumstances.