Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
Opportunities in business often come with a catch: someone will want extra comfort that you’ll do what you’ve promised. That’s where a company guarantee (sometimes called a corporate guarantee) comes in.
Guarantees can unlock leases, supplier credit and finance you might not otherwise get. But they also create serious, binding obligations that can affect cash flow, assets and future borrowing.
In this guide, we’ll unpack what a company guarantee is, when it’s legally binding in Australia, the risks to look out for, how to limit your exposure, and the practical documents you should have in place before you sign anything.
What Is a Company Guarantee?
A company guarantee is a promise by one company (the guarantor) to be legally responsible for another party’s obligations if that party doesn’t pay or perform as agreed. If the debtor defaults, the beneficiary (for example, the landlord, bank or supplier) can call on the guarantor to step in.
You’ll commonly see company guarantees in everyday business arrangements, including:
- Commercial leases, where a landlord wants comfort that rent and outgoings will be paid on time.
- Trade credit arrangements, where a supplier delivers goods now and expects payment later.
- Business loans or facilities, where a lender wants extra security beyond the borrower’s assets.
Many documents describe the obligation as a “guarantee and indemnity”. The indemnity component is a separate promise to compensate the beneficiary for loss, which can make the creditor’s position even stronger. It’s standard for banks and larger suppliers to require this combined approach.
Let’s quickly define the parties involved so you can map this onto your own deals:
- Beneficiary: The party who receives the guarantee (e.g. the landlord, lender or supplier).
- Principal (or debtor): The party with the primary obligation (e.g. the tenant or borrower).
- Guarantor: Your company, promising to pay or perform if the principal doesn’t.
In many guarantees, the beneficiary can make a demand on the guarantor without first suing or exhausting recovery against the principal. That’s a key reason these documents are powerful-and why you should review them carefully.
When Is a Company Guarantee Legally Binding in Australia?
There are a few essentials that determine whether a guarantee will be enforceable. While the details can vary slightly by state and territory, the core principles are consistent.
1) Guarantees Generally Must Be In Writing and Signed
As a starting point, guarantees in Australia typically need to be in writing and signed by (or on behalf of) the guarantor to be enforceable. This “in writing and signed” requirement is a crucial point that’s sometimes overlooked.
To avoid arguments about consideration (what the guarantor receives in return), many guarantees are drafted and executed as a deed. Deeds have additional formalities, but they help creditors avoid enforceability issues and often extend limitation periods.
2) Proper Authority and Company Execution
Before your company gives a guarantee, make sure the decision is properly authorised. This usually means a board resolution in line with your Company Constitution or replaceable rules, and ensuring the people who sign have actual authority to bind the company under section 126 of the Corporations Act.
When it’s time to sign, use a method that satisfies company signing rules. Companies commonly sign under section 127 of the Corporations Act-see this practical guide to signing documents under section 127-so the counterparty can rely on statutory assumptions about due execution. If you’re signing under delegated authority, it’s wise to ensure the delegation aligns with section 126.
3) Clear, Certain Terms
Courts generally enforce guarantees that are clear, unambiguous and complete. At a minimum, the document should identify the beneficiary and principal, define the guaranteed obligations and set out how and when the beneficiary can make a demand.
Watch for “continuing guarantee” language. This can extend the guarantee to future obligations or multiple transactions unless expressly limited or revoked under the terms.
4) Directors’ Duties and the Company’s Best Interests
Directors must consider whether giving a guarantee is in the company’s best interests and for a proper corporate purpose. If a guarantee exposes the company to a risk it can’t sensibly bear, that can raise duty and solvency issues for decision-makers.
Shareholder or related-party approvals are generally a public company issue. For most proprietary (Pty Ltd) companies, the focus is on directors’ duties, authority and solvency, and on observing any internal approval rules in your constitution.
Key Risks To Watch (For Guarantors And Directors)
Guarantees can be business-enablers-but the risks are real. Here are the key issues to consider before you sign.
“All Moneys” and Unlimited Liability
Broad “all moneys” guarantees can cover every present and future obligation the principal owes to the beneficiary. Without a cap, that can be unlimited. If the principal defaults on a large facility or longstanding account, your company could be on the hook for the lot.
Triggers and Technical Defaults
Some guarantees allow a call on the guarantee following relatively minor breaches, not just total failure to pay. A missed instalment, late fee, or breach of an unrelated covenant could be enough to trigger liability. Read the default clause line by line.
Joint and Several Liability
Where multiple entities (or people) guarantee together, the standard is “joint and several”. That means the beneficiary can recover 100% from any one guarantor. If you’re one of several guarantors, agree how you’ll share risk and consider a separate contribution deed.
Continuing Guarantees and Difficult Exits
Continuing guarantees can stay alive even after the original transaction ends, unless properly revoked or the beneficiary formally releases you. Without a clean release clause, it’s often hard to unilaterally terminate your obligations.
Cross-Guarantees Within Corporate Groups
Group structures sometimes include multiple interlocking guarantees (and even deeds of cross-guarantee). A default in one entity can cascade through others. Map your group exposures so you understand the total risk picture.
Personal Exposure for Directors
A company guarantee is a company obligation. However, many beneficiaries also ask directors to sign separate personal guarantees. These expose personal assets and are a different risk profile. If that’s on the table, read up on personal guarantees and seek independent advice.
Small Business Contract Rules and Unfair Terms
If the guarantee sits within a standard form contract with a small business, the unfair contract terms regime may apply. Overly broad or one-sided terms could be at risk. A targeted UCT review and redraft can help address this before you sign.
How To Limit Your Exposure (Negotiation Tips And Better Alternatives)
Most beneficiaries are open to a sensible conversation about risk. The key is to raise practical changes that still give them confidence.
Limit the Amount
- Introduce a clear cap (e.g. “the lesser of $X or the amount outstanding at termination”).
- Exclude interest, enforcement costs and indemnity-style “all losses” where possible-or cap them too.
Limit the Time
- Set an end date or tie the guarantee to a specific term, project or shipment schedule.
- Include a short “survival” period for final reconciliation and no more.
Limit the Scope
- Confine the guarantee to named contracts or specific obligations (e.g. rent and outgoings only).
- Resist “all moneys” language unless it’s truly necessary for the relationship.
Add Procedural Protections
- Require prompt written notice of default before any demand can be made.
- Give the guarantor a reasonable cure period to fix remediable breaches.
- Prevent material variations to the underlying contract without the guarantor’s written consent.
Clarify Release and Exit
- Build in an automatic release after a period of clean performance (for example, 12–18 months).
- Provide a path to substitute alternative security (like a bank guarantee) for a release.
Prefer Proportionate Liability
- Where multiple guarantors are involved, push for several (proportionate) liability rather than joint and several. If that’s not possible, consider a contribution arrangement between guarantors.
Consider Better Alternatives
- Bank guarantee: A bank-issued undertaking can satisfy a landlord or supplier without exposing group assets to open-ended risk. Read this guide on bank guarantees.
- Security interest: Grant a limited security interest over specific assets, documented in a General Security Agreement and, where appropriate, registered on the PPSR.
- Reduced credit limit: Smaller limits, shorter payment terms, or phased supply can lower risk for both sides without needing a broad guarantee.
Practical Steps And Documents To Have In Place
A strong paper trail and clean approvals go a long way to protecting your company and avoiding disputes later.
Board Approval and Internal Records
- Board resolution: Record the directors’ decision to give the guarantee, including key terms (cap, term, scope) and the reasons why it’s in the company’s best interests.
- Authority to sign: Confirm who can execute the document for the company under your constitution or a formal delegation, aligned with section 126.
- Company execution: Consider executing under section 127 for reliability and to allow the other party to rely on statutory assumptions. See the article on section 127 for practical options.
The Guarantee Document Itself
- Form: In many cases, a deed format is prudent to avoid consideration issues and extend limitation periods.
- Terms: Check caps, duration, scope, demand mechanics, notice and cure periods, and release conditions. Watch for “variations without consent” and “all moneys” wording.
- Indemnity: Understand that an indemnity can sit alongside the guarantee and is often harder to defend against.
Related Contracts and Consents
- Underlying agreement: Ensure the referenced lease, loan or supply contract is final and consistent with the guarantee (no last-minute changes that expand your exposure).
- Group coordination: If you have multiple entities, map overlapping guarantees and security to avoid unexpected cross-defaults.
Other Helpful Documents
- Company Constitution: Sets out decision-making and signing rules-critical for authority and clean execution.
- Deed of Guarantee and Indemnity: A tailored document that clearly sets your cap, scope and release mechanisms.
- General Security Agreement: If you agree to provide specific security instead of (or alongside) a guarantee, document and register it properly.
If you’re being asked to sign a standard form guarantee in a credit application or lease pack, it’s worth a quick legal sense-check. A short review can save significant cost and stress down the track.
How Enforcement Works (And Common Pitfalls)
If the principal defaults and the beneficiary makes a compliant demand, expect the beneficiary to rely on the written terms. Common enforcement steps include a formal demand, and if unpaid, court proceedings against the guarantor.
Potential defences are narrow. They may include defective execution, lack of authority, uncertainty or unfair terms (in small business standard form contracts). However, arguments based on the principal’s disputes rarely help unless the guarantee terms allow it. That’s why negotiation up front-capping exposure and tightening triggers-is your best risk control.
Finally, consider the end game. If your company pays under a guarantee, you may have rights to recover from the principal (subrogation or indemnity) depending on your internal arrangements. Those rights are only useful if you can actually collect, so align your guarantee strategy with practical recovery prospects.
Key Takeaways
- A company guarantee is a serious, binding promise to cover another party’s obligations-useful for unlocking leases, credit and finance, but risky without limits.
- In Australia, guarantees generally need to be in writing and signed, with proper company authority and clean execution (often as a deed) to be enforceable.
- The biggest risks are “all moneys” wording, unlimited liability, technical default triggers, joint and several liability and ongoing “continuing guarantee” exposure.
- Negotiate caps, time limits, scope limits, notice and cure periods, and clear release terms; consider alternatives like a bank guarantee or a targeted security interest.
- Document internal approvals, follow your Company Constitution, and execute in a way that aligns with section 127 or a valid section 126 authority.
- If personal guarantees are requested alongside company guarantees, treat them as a separate risk and get advice before signing.
If you’d like a consultation about drafting, reviewing or negotiating a company guarantee that fits your risk profile, reach out to our team at 1800 730 617 or team@sprintlaw.com.au for a free, no-obligations chat.
