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What Is a Personal Guarantee on a Business Loan?

Learn how personal guarantees work on Australian business loans, what directors may be liable for and what to check before signing.

Reviewed by Kenneth Tang
Co-founder, Funding Loop · View profile · Editorial policy · Updated 17 August 2026 · 10 min read

Last reviewed: August 2026. This is general information, not legal advice. Guarantee terms differ between lenders and contracts; have a lawyer review yours before signing.

A personal guarantee is a promise from an individual, usually a company director, to repay a business debt if the borrowing business cannot. Signing one does not hand the lender ownership of the guarantor's home, but after a default it can allow the lender to pursue the guarantor personally, through the courts if necessary. Most unsecured business loans to Australian companies include a director's guarantee as a standard condition.

The short version

  • A personal guarantee makes a director personally liable for a company's business loan if the company cannot pay.
  • Most unsecured business loans to Australian companies require a director's guarantee.
  • A guarantee is not a mortgage over your home, but after default a lender can pursue a guarantor's personal assets through the courts, depending on the terms.
  • Guarantees can be limited (capped at an amount) or unlimited, and some cover all present and future debts, not just one loan.
  • Resigning as a director does not cancel a guarantee already signed; release requires the lender's written agreement.

Who owes what: borrower, guarantor and lender

A guaranteed business loan involves three distinct roles, and confusing them is where most of the misunderstanding starts:

RoleWho it usually isWhat they owe
BorrowerThe company (or trust or partnership)The debt itself: repayments, interest and fees under the loan contract
GuarantorA director, sometimes a shareholder or family memberNothing while the borrower pays; the guaranteed amount if the borrower defaults
LenderThe bank or non-bank lenderThe funds, plus obligations to follow the contract and the law when enforcing

The company is the borrower and owes the debt. The guarantor owes nothing while the company keeps paying. The guarantee only converts into a personal debt if the company defaults, at which point the lender can call on the guarantor under the terms of the guarantee document.

Why do lenders require director guarantees?

A company has limited liability: if it fails, its shareholders' losses are generally limited to what they put in. From a lender's point of view, lending unsecured money to a small proprietary company would mean the people who control the company could walk away from its debts. A director's guarantee closes that gap by putting the controller's own position behind the promise to repay.

That is why guarantees are near-universal on unsecured lending to small companies, and why declining to give one usually changes the offer: a lender may decline the application, reduce the amount, require security instead, or price the loan higher. Our guide to business loan requirements covers where guarantees sit among the other standard conditions.

What is the difference between a limited and an unlimited guarantee?

A limited guarantee caps the guarantor's exposure at a stated amount, for example the loan amount plus enforcement costs. An unlimited guarantee has no cap.

Watch especially for "all monies" wording: some guarantees cover not just the loan being signed today but all present and future debts the borrower ever owes that lender. A capped, single-facility guarantee and an uncapped all-monies guarantee are profoundly different documents that can look similar at a glance. The cap and the scope are both worth negotiating, and lenders agree to limits more often than borrowers expect.

Does a personal guarantee put your house at risk?

Not directly, and this distinction matters. A guarantee by itself is a personal promise, not a mortgage: signing one does not give the lender a claim over any specific asset. If the borrower defaults and the guarantor does not pay, the lender generally needs to obtain a court judgment before it can enforce against the guarantor's assets, and enforcement against a home involves further court processes.

The picture changes if the guarantee is supported by security, such as a mortgage over the guarantor's property. Some lenders ask for exactly that. Always check whether you are being asked for a guarantee alone, or a guarantee plus security over personal assets: the second puts the property much more directly in reach. If keeping personal property out of the structure matters to you, compare unsecured options that do not touch property before committing.

What happens if the business defaults?

The sequence depends on the contract, but a typical path runs: the borrower misses repayments, the lender issues a default notice and a demand to the borrower, and if the debt is not brought current the lender makes a demand on the guarantor. Depending on the terms, a lender may be entitled to pursue the guarantor without first exhausting its options against the company.

From there the practical options are negotiation (a payment plan, a refinance, an asset sale) or, if nothing is agreed, court proceedings against the guarantor for the guaranteed amount. Guarantors have the strongest negotiating position early: engaging with the lender at the first sign of trouble almost always produces better outcomes than waiting for a demand.

What if several directors have guaranteed the same loan?

Multiple guarantees are usually joint and several: each guarantor is on the hook for the full guaranteed amount, not a share of it. A lender chasing a $200,000 debt guaranteed by two directors can pursue either one of them for the whole $200,000, typically starting with whoever has the most reachable assets. A guarantor who pays more than their share can seek contribution from co-guarantors, but that is the guarantor's problem to pursue, not the lender's.

If you are one of several directors, this is the clause to read twice: your real exposure is the whole debt, not your percentage of the company.

Does leaving the company end the guarantee?

No. A guarantee is a contract between the guarantor and the lender, separate from the directorship. Resigning as a director, or even selling your shares, does not release a guarantee already signed; most are drafted as continuing guarantees that also cover further borrowing after you leave.

The clean exit is a written release or replacement: when a guarantor departs, the parties ask the lender to release the outgoing guarantor, usually in exchange for a replacement guarantor or a partial repayment. Build this into any exit or sale negotiation, because it will not happen automatically.

Questions to ask before signing a personal guarantee

  1. Is the guarantee capped, and at what amount? If it is unlimited, ask for a cap.
  2. Does it cover this loan only, or all present and future debts? All-monies wording widens your exposure to facilities you have not seen yet.
  3. Is any security over personal assets being taken alongside it? A guarantee plus a mortgage is a very different risk to a guarantee alone.
  4. What are the release conditions? When and how the guarantee ends, including if you leave the company.
  5. Will the lender notify guarantors of missed payments? Early warning is worth asking for in writing.

The same discipline applies to the loan document itself; our guide to what to look for in a business loan contract covers the other clauses that bite.

Before signing, whenever the guarantee is unlimited, covers all monies, is supported by security over personal assets, or involves a guarantor who is not a director of the borrower (a spouse or family member, for example). Some lenders require a certificate of independent legal advice for exactly these situations. The cost of a solicitor's review is trivial next to the exposure being signed, and a lawyer can often negotiate a cap or narrower scope at the same time.

The honest bit

Directors sign guarantees on settlement day, under time pressure, without reading them. The guarantee is often the single most consequential document in the loan pack, and it is the one that follows you personally after the company is gone. Read it, cap it if you can, and know its scope before you sign, not after a demand arrives.

Next steps

Understand the guarantee and security position before choosing a lender, because two loans with the same rate can carry very different personal exposure. Funding Loop arranges and compares business finance across a panel of more than 50 lenders; the lender assesses the application and provides the funds, and checking your options does not involve a credit check. Comparing through one application also avoids the mark-ups of applying to many lenders separately. For a standard structure to compare against, see the business term loan product page.

Frequently asked questions

Can I get a business loan without a personal guarantee?

Sometimes. Loans secured by property or equipment, invoice finance facilities and lending to larger established companies may not need a director's guarantee, because the lender has other recourse. For unsecured loans to small Australian companies, a director's guarantee is a standard requirement at almost all lenders.

Does a director guarantee affect my credit file?

Signing a guarantee does not usually appear as a debt on your consumer credit report, but the lender may run a credit check on you as guarantor when the loan is established, and a court judgment after a default certainly affects your file. Practices vary between lenders and credit reporting bodies, so confirm what will be recorded before you sign.

Can a lender take my house under a personal guarantee?

Not automatically. A guarantee alone is a personal promise, and a lender generally needs a court judgment before enforcing against a guarantor's assets, with further court steps before any forced sale of property. The risk is far more direct if the guarantee is supported by a mortgage over the property, so always check whether security over personal assets is part of what you are signing.

Does resigning as a director cancel my guarantee?

No. The guarantee is a separate contract with the lender and continues after you resign or sell your shares. Most are continuing guarantees, which can even cover borrowing that happens after you leave. Ending it requires the lender's written release, which is normally negotiated as part of your exit.

Can a personal guarantee be removed later?

It can be, with the lender's agreement. Common paths are refinancing to a lender with different requirements, renegotiating after the business builds a repayment track record or offers security instead, or substituting a replacement guarantor. No lender is obliged to release a guarantee, so treat removal as a negotiation, not an entitlement.

What is the difference between a guarantee and security?

A guarantee is a promise by a person to pay if the borrower does not; security is a claim over a specific asset, such as a mortgage over property or a charge over equipment. A lender holding security can move against the asset itself, while a lender holding only a guarantee must pursue the guarantor personally. Many loans involve both, which is why the full security position matters more than any single document.

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