You’re not alone. Late payments are one of the most common cash flow problems facing Australian SMEs. For small and medium-sized enterprises, unpaid invoices aren’t just frustrating – they’re a direct threat to survival. A single large unpaid debt can mean missing payroll, delaying supplier payments, or dipping into personal savings just to keep the lights on.
This guide walks you through your options step by step, from self-help measures through to formal legal action from unpaid invoice. We cover what works, when to escalate, and how to protect your rights without making costly mistakes.
This article provides general information only and does not constitute legal advice. Debt recovery laws vary between Australian states and territories, and your specific circumstances may require different approaches. AMPAC Debt Recovery is a professional debt collection agency, not a law firm. We recommend seeking independent legal advice before commencing any legal proceedings or taking action that may affect your legal rights.
Before chasing payment, check what you actually agreed to.
Your terms of trade or service agreement set the foundation for any recovery action. These documents may include payment terms (7 days, 30 days, etc.), interest charges on overdue accounts, late payment fees, and retention of title clauses that protect your goods until payment is received.
Written agreements are always stronger than verbal ones. If you agreed to terms verbally, those agreements can still be legally enforceable in Australia – but proving what was agreed becomes significantly harder without documentation. Text messages, emails, and even contemporaneous file notes can help establish the terms if you didn’t have a formal contract.
Check whether you registered a Personal Property Securities Register (PPSR) interest over goods supplied. A PPSR registration can give you priority over other creditors if your client becomes insolvent, but only if it was registered correctly at the time of supply.
If your terms of trade include provisions for interest or fees on late payments, you’ll need to reference these when you escalate. Generally, interest clauses must be reasonable to be enforceable, and they must have been clearly communicated to your client before the debt arose.
You can still pursue the debt based on the invoice itself, the delivery of goods or services, and any communications showing the client accepted the work. Many Australian businesses successfully recover debts without formal contracts – but it’s harder to enforce penalty clauses or specific payment terms if they weren’t agreed upfront.
Pick up the phone first.
Many unpaid invoices aren’t deliberate non-payment – they’re administrative oversights. Your invoice might be sitting in a spam folder, assigned to the wrong person, or caught in an approval bottleneck. A polite phone call often resolves payment faster than weeks of email escalation.
When you call, stay calm and professional. Ask whether they received the invoice, confirm they have the correct details, and find out if there’s any issue preventing payment. Listen carefully – if they raise a genuine dispute about the quality of work or a pricing disagreement, you’ll need to address that before pursuing formal recovery.
If the phone call doesn’t resolve it, send a series of written payment reminders:
Keep copies of all emails, file notes of phone conversations, and records of when reminders were sent. This paper trail becomes critical evidence if you need to prove you made reasonable attempts to recover the debt before escalating.
At this stage, you might consider offering a payment plan or negotiated settlement. Recovering 80% of your invoice over three months is better than spending six months and legal fees chasing 100%.
Many debtors will engage constructively if you show some flexibility, but don’t agree to anything that undermines your legal position without thinking it through first.
A letter of demand serves two purposes:
This is different from your earlier payment reminders. A letter of demand is a formal legal notice that typically outlines the debt details (amount, invoice number, due date), the basis of the claim (goods supplied, services rendered), a clear deadline for payment (usually 7-14 days), and the consequences if payment isn’t received (legal action, court proceedings, or referral to a collection agency).
You can send one yourself on your business letterhead, or you can have a debt collection agency send it on your behalf. There’s no legal requirement to use a debt collection agency – but a letter on an agency’s letterhead carries psychological weight. It signals to the debtor that you’re serious about recovery and have professional support backing your claim.
The tone should be firm but professional. Avoid threats, abusive language, or exaggerated claims about what you’ll do next. Under Australian Consumer Law and ASIC regulations, debt collection communications must not be misleading, deceptive, or unduly harassing.
Generally, a letter of demand should include:
The Australian Government’s business.gov.au website provides guidance on letters of demand, though it doesn’t offer downloadable templates. Many business owners draft their own letters using online examples, but if the debt is large or the situation complex, professional assistance is worth considering. A poorly worded letter can accidentally undermine your legal position or breach consumer protection laws.
It’s a formal request for payment. But if you’re unsure about your legal rights, the enforceability of your contract, or the risks of escalation, this is the point where seeking independent legal advice makes sense.
If your letter of demand doesn’t work, it’s time to bring in specialists.
Debt collection agencies exist to recover debts that businesses don’t have the time, resources, or expertise to chase themselves. They’re particularly effective when the debtor is unresponsive, the dispute isn’t genuine (just stalling tactics), and you want to preserve the commercial relationship by keeping the recovery process at arm’s length.
Fee structures vary, but “commission only debt collection” is the most common model in Australia. The agency takes a percentage of what they recover (typically 10-25% depending on debt size, age and your industry), and you pay no commission if they don’t collect. Some agencies charge upfront fees or hybrid models – make sure you understand the terms before signing.
Importantly, licensed debt collection agencies in Australia must comply with strict regulations set by ASIC and the ACCC. These rules govern how agencies can communicate with debtors, what information they can demand, and how they handle disputes. A reputable agency won’t use harassment, intimidation, or misleading tactics – because doing so risks their licence and exposes you to legal liability.
Generally, if the debt is undisputed and the debtor is simply avoiding payment, a collection agency is faster and more cost-effective. If the debtor is genuinely disputing the debt or you need court proceedings immediately, your collection agency can usually handle this as well. Many agencies work alongside solicitors, so if your matter needs to escalate to legal action, we can facilitate that transition seamlessly.
AMPAC’s national coverage, technology platform, and track record of recovering millions in unpaid debts means we understand what works. If you’ve exhausted self-help options and need professional support, our team can assess your debt and recommend the best recovery strategy.
Call us on 1300 426 722 or submit a debt placement online.
When communication and professional collection efforts fail, formal legal proceedings may be your only option.
Taking legal action for an unpaid invoice is not as complicated as you might think. Your agency can explain the steps, costs and timeframes involved, then it’s up to you to decide if you want to proceed.
First, you’ll need to prepare a Statement of Claim document (summons) that sets out your legal basis for the debt, file it with the court registry, serve it on the debtor (usually via registered post or personally using a process server), and wait for the debtor to respond. If they don’t defend, you may be able to obtain a default judgment. If they do defend, the matter proceeds to a hearing where both sides present evidence.
Court proceedings typically require legal representation, especially if the debtor hires a lawyer. Costs and timeframes vary from jurisdiction to jurisdiction. Most matters remain undefended, meaning that once you obtain judgment from the court you have a number of enforcement options available to you. In many cases you can also claim most of your costs along the way.
If your debtor is a company (not an individual), and the debt is undisputed and exceeds $4,000, you can issue a Statutory Demand under section 459E of the Corporations Act 2001 (Cth).
Statutory demands are particularly effective for recovering specific types of undisputed commercial debt.
A statutory demand is a formal notice requiring the company to pay the debt within 21 days. If the company fails to pay or negotiate and doesn’t apply to set aside the demand, it’s presumed insolvent. You can then apply to wind up the company (liquidate it).
This is a powerful tool, but dangerous if used incorrectly. If the company successfully applies to set aside your statutory demand (for example, because there’s a genuine dispute), you may be ordered to pay their legal costs. Avoid issuing a statutory demand without legal advice.
If your debtor is an individual (sole trader, personal guarantor), and you already hold a court judgment for the debt, you can issue a Bankruptcy Notice under the Bankruptcy Act 1966 (Cth).
A bankruptcy notice requires the debtor to pay the judgment debt within 21 days. If they fail to comply, you can file a Creditor’s Petition to make them bankrupt.
Bankruptcy proceedings are serious and should only be used as a last resort when the debt is large enough, the debtor has the capacity to pay but refuses, and you’ve exhausted other options. Bankrupting someone who genuinely can’t pay serves no purpose – you’re unlikely to recover anything, and you’ll possibly incur high legal costs. Bankruptcy proceedings are not only used for ordinary unpaid debts, but also in strata levy recovery.
Winning a judgment is only half the battle. If the debtor still won’t pay, you’ll need to enforce the judgment through mechanisms like garnishee orders (seizing money from their bank account or wages), writs of execution (seizing and selling their property), or examination summons (forcing them to disclose their financial position under oath).
Enforcement can be expensive and time-consuming. Some debtors structure their affairs to make enforcement difficult – holding assets in family trusts, operating through companies with no assets, or simply having no recoverable funds.
This is why professional debt collectors generally achieve better results than DIY court action. We know when to push, when to negotiate, and when legal proceedings are likely to be worthwhile based on the debtor’s financial position.
Each pathway has risks, costs, and procedural requirements that must be followed precisely. A collection agency can help assess your case, estimate costs, and recommend the most appropriate action for your situation.
Debts don’t last forever, and neither does your right to recover them.
Under Australian law, there are time limits (called “limitation periods”) for taking unpaid invoice legal action to recover a debt. These periods vary by state and territory, but generally, you have six years from the date the debt became due to commence court proceedings for a contract-based debt.
For example, if an invoice was due on 1 January 2020 and remains unpaid, you’d generally have until 1 January 2026 to file a claim in most Australian jurisdictions. After that date, the debt may be “statute-barred” – meaning the debtor can raise the limitation period as a defence if you sue them.
However, limitation periods can be reset in certain circumstances. If the debtor acknowledges the debt in writing, makes a part payment, or signs a payment plan agreement, the limitation clock may restart from that date. This is another reason why maintaining clear written records of all debtor communications is critical.
Some exceptions apply – limitation periods for judgments are different (and longer) than for the original contract debt, and certain types of debts (like those owed to the government) may have different limitation rules.
Act sooner rather than later. Older debts are harder to collect because records fade, debtors change addresses, businesses close, and your legal options narrow. If an invoice is 90+ days overdue and you haven’t made progress, it’s time to escalate – don’t wait until you’re approaching the limitation deadline.
If you’re unsure whether your debt is still within the limitation period, seek advice. Limitation laws are complex, vary by jurisdiction, and depend on the specific facts of your case.
Engaging a debt collection agency first gives you greater opportunity to resolve a matter before diving head first into legal action. Collection agencies have numerous contact points with the debtor before resorting to legal action, and surprisingly less than 10% of referred debts escalate to the court system.
Also, debt collection agencies have direct access to specialist lawyers who are experts in this field. This means they are usually able to act more quickly and with more precision than a general law practice.
Many businesses assume they need a lawyer for any “legal” matter. But debt recovery agencies handle thousands of unpaid invoices every year without litigation – through negotiation, persistence, and understanding debtor psychology.
The sweet spot? Use a collection agency as your first line of escalation for most commercial debts. If the debtor raises a genuine legal dispute or negotiations fail, the agency can refer you to a solicitor (or in AMPAC’s case, we work with a panel of specialist debt recovery lawyers who already understand the background).
One complexity worth noting: if your debtor is based overseas or the work was performed internationally, standard Australian debt recovery processes may not apply. International debt recovery involves additional considerations around jurisdiction, enforceability of Australian judgments abroad, and cross-border collection methods. If you’re dealing with an overseas debtor, specialist advice is essential.
The best unpaid invoice is the one that never happens.
While no system eliminates payment risk entirely, you can dramatically reduce bad debts by tightening your credit management practices:
Run credit checks on new clients before extending credit terms. Organisations like Equifax can reveal payment history, court judgments, and insolvency risks.
Make sure every client signs or acknowledges your terms of trade before starting work. Include payment terms, interest and cost recovery clauses, and late payment consequences. Proper credit documentation from the outset – including credit applications, personal guarantees where appropriate, and signed terms – gives you the strongest legal position if you need to pursue recovery later.
Don’t wait weeks to send invoices after completing work. The longer the delay, the more likely payment falls off the client’s priority list.
For large projects, structure payment milestones throughout the job rather than waiting until completion.
Contact clients the day an invoice becomes overdue – not 30 days later. Early intervention prevents small issues from becoming big problems.
If you supply goods on credit, register your interest on the Personal Property Securities Register to protect your rights if the client becomes insolvent.
Use credit monitoring services to get alerts if a client’s financial position deteriorates, allowing you to tighten terms or demand payment before they collapse.
Prevention won’t eliminate all bad debts, but it shifts the odds in your favour and reduces the time you spend chasing payments instead of running your business.
Unpaid invoices don’t resolve themselves, and waiting rarely improves the outcome.
The pathway is clear: start with direct communication and written reminders, escalate to a formal letter of demand, engage professional debt collectors when self-help fails, and consider legal action only when other options are exhausted.
Acting early gives you leverage. Debtors who know you’ll pursue recovery consistently are far more likely to prioritise your invoice over others. Delay signals you won’t follow through and non-payers learn quickly who they can avoid.
If you have an unpaid invoice affecting your cash flow, AMPAC Debt Recovery can help. Our national team has recovered millions in commercial debts across every Australian industry. We handle the chase, the negotiation, and the pressure – so you can focus on your business.
Contact our team on 1300 426 722 or submit a debt placement online at https://4ampac.com.au/. We’ll assess your debt, recommend the best recovery strategy, and get to work immediately.
If an invoice remains unpaid, you have several options: send payment reminders, issue a formal letter of demand, engage a debt collection agency, or commence legal proceedings through tribunals or courts. The appropriate action depends on the debt size, whether it’s disputed, and the debtor’s responsiveness. Most unpaid invoices can be resolved through professional debt collection without court action.
Generally, you have six years from the date the invoice became due to commence legal proceedings in most Australian states and territories. This limitation period can be reset if the debtor acknowledges the debt in writing or makes a part payment. After the limitation period expires, the debt may become statute-barred, though you can still attempt collection – you just can’t sue for it.
Yes. You can file a claim in your state’s local or Magistrates Court. You’ll need to prove the debt is owed, that you’ve made reasonable attempts to recover it, and that the debtor has failed to pay.
A letter of demand is a formal request for payment that can be sent by anyone (you or a collection agency) to any debtor. It’s a pre-legal step that gives the debtor a final chance to pay. A statutory demand is a specific legal notice used only against companies, issued under the Corporations Act 2001, for debts over $4,000. It triggers a 21-day deadline and can lead to winding up (liquidation) if unpaid. Statutory demands must comply with strict legal requirements and should only be used with legal advice.
Most Australian debt collection agencies work on commission-based fee structures, charging 10-25% of the amount recovered (depending on debt size and complexity). Many agencies operate on a “no recovery, no fee” basis, meaning you only pay their commission if they successfully collect the debt. Some agencies charge upfront fees or hybrid models. Always clarify the fee structure before engaging an agency.
Yes. There’s no legal requirement to use a lawyer to send a letter of demand in Australia. You can draft and send one yourself on your business letterhead. However, a letter sent by a debt collection agency often carries more weight because it signals you have professional support and are serious about recovery. If you’re unsure about the wording, your legal rights, or the enforceability of your claim, professional assistance is worth considering to avoid undermining your position.
This article provides general information only and does not constitute legal advice. Debt recovery laws vary between Australian states and territories, and your specific circumstances may require different approaches. AMPAC Debt Recovery is a professional debt collection agency, not a law firm. We recommend seeking independent legal advice before commencing any legal proceedings or taking action that may affect your legal rights.
AMPAC can help your business manage vulnerable or struggling customers with empathy, compliance, and care. Our experienced team balances compassion with commercial outcomes to ensure fair, sustainable recovery results.
Do you have debt that needs recovering? Are you unsure on where to start? Contact AMPAC Debt Recovery for solutions today and speak to one of our qualified consultants to get you started.
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