Warranties in NZ Business Contracts: What They Mean and How They Work

If you run a small business, you’ve probably seen the word “warranty” everywhere - in supplier contracts, customer terms, software agreements, equipment purchases, and even business sale documents.

But “warranty” can mean different things depending on the context. Sometimes it’s a promise you’re making to your customer. Sometimes it’s a promise a supplier is making to you. And sometimes it’s a “legal label” in a contract that affects what happens if the promise turns out to be wrong.

This guide explains warranties in plain English, from the perspective of NZ business owners. We’ll cover what warranties are, how they differ from guarantees and representations, what NZ consumer law expects, and how to draft and negotiate warranty clauses without accidentally taking on more risk than you intended.

Note: This article is general information only and doesn’t constitute legal advice. Every business and contract is different, so it’s best to get advice on your specific circumstances.

What Is A Warranty (In Plain English)?

A warranty is a promise about a fact (or a promise that something will be true) that becomes part of an agreement.

In everyday business, warranties often look like statements such as:

• “The goods will be free from defects for 12 months.”
• “The services will be provided with reasonable care and skill.”
• “The supplier warrants they own the intellectual property they’re licensing to you.”
• “The seller warrants the business accounts are accurate and not misleading.”

The key point is this: if a warranty turns out to be untrue, the other party may have contractual rights to claim a remedy. Depending on the contract, that could include:

• repair or replacement
• a refund (or partial refund)
• damages (money to compensate for loss)
• termination rights (in some contracts, though this is more commonly linked to “conditions”)

Because warranties are often written into standard contracts, it’s easy to gloss over them. But when something goes wrong (a product fails, a supplier doesn’t deliver, or a buyer alleges you misled them), warranty wording can suddenly become very important.

Why Warranties Matter For Small Businesses

Warranties help allocate risk. They’re one of the main ways contracts answer questions like:

• Who is responsible if a product doesn’t work as expected?
• What’s the fix - repair, replacement, refund, or something else?
• How long does that responsibility last?
• Can either party claim additional losses (like lost profits)?

Getting your warranty clauses right can save you a lot of time, cost, and stress later - especially when you’re dealing with customers at scale or relying on key suppliers to keep your business running.

Warranties Vs Guarantees Vs Representations: What’s The Difference?

When people search for “warranties explained”, they’re often trying to unpack how warranties differ from other legal concepts that sound similar.

In practice, these terms are often used interchangeably in day-to-day conversation, but in contracts they can have different implications.

Warranty

A warranty is a contractual promise. If it’s breached, the usual remedy is a claim for damages (financial compensation), and sometimes contract-specific remedies (like repair or replacement) if the contract says so.

Representation

A representation is a statement of fact made to induce someone to enter into an agreement (for example, “this equipment has only been used for 12 months” or “this software complies with NZ privacy law”).

If a representation is false, the legal issues can be broader than a simple breach of contract - it can potentially give rise to claims under:

• the Contract and Commercial Law Act 2017 (for misrepresentation-related remedies), and/or
• the Fair Trading Act 1986 (for misleading or deceptive conduct in trade)

This is why contracts sometimes say “the parties acknowledge they have not relied on any representations except those set out in this agreement” (often called an “entire agreement” or “non-reliance” clause). Whether that clause will fully protect you depends on the situation - especially where the Fair Trading Act may still apply.

Guarantee

In New Zealand, “guarantee” often comes up in consumer law. For example, the Consumer Guarantees Act 1993 implies automatic guarantees into consumer transactions, like acceptable quality and fitness for purpose.

In contracts, “guarantee” can also mean a separate promise to be responsible for someone else’s obligations (like a director’s personal guarantee for a company’s debts). That’s a different concept again.

If you’re dealing with customers, it’s important to understand that your marketing language can create expectations. Even if you call something a “warranty”, you may still have obligations under the Consumer Guarantees Act, and you generally can’t contract out of those obligations for consumer customers.

How Do Warranties Work Under NZ Consumer Law?

If you sell goods or services to customers in New Zealand, you need to understand the baseline rules set by:

• Consumer Guarantees Act 1993 (CGA)
• Fair Trading Act 1986 (FTA)

These laws apply whether or not you have a written contract (although good written terms make it much easier to manage expectations and handle disputes).

The Consumer Guarantees Act: Automatic “Guarantees” You Can’t Ignore

The CGA implies guarantees into consumer sales. Depending on what you sell, these can include that goods are:

• of acceptable quality
• fit for purpose
• match their description
• match any sample or demonstration model (where relevant), and
• supported with repair facilities and parts for a reasonable time (where relevant)

For services, common CGA guarantees include that services will be carried out:

• with reasonable care and skill
• within a reasonable time (if no time is agreed)
• at a reasonable price (if no price is agreed)

So even if you don’t offer a “warranty” in your customer-facing materials, the law may still give consumers certain rights if things go wrong.

The Fair Trading Act: Your Advertising And Sales Claims Need To Be Accurate

The FTA is about how you market and sell. It prohibits misleading or deceptive conduct in trade and various false or misleading representations.

For small businesses, this often becomes relevant when you:

• advertise features your product doesn’t actually have
• overstate performance, results, or compatibility
• promise “no refunds” (when consumer law may still require remedies)
• suggest a customer must pay for a repair when they may have CGA rights

A practical tip: make sure your website, product pages, quotes, and customer emails line up with your actual warranty process and your legal obligations. If you’re formalising your customer terms, having clear Business Terms can help set expectations from day one.

Common Warranty Clauses In Business Contracts (And What To Watch For)

Warranties show up across lots of commercial relationships. Here are some of the most common warranty categories NZ businesses run into, and the risks to watch out for.

1) Product Warranties (Goods You Sell Or Buy)

If you sell physical goods, customers often expect some form of warranty period. If you buy goods from suppliers, you’ll want warranty protection flowing “upstream” so you’re not stuck paying out customer claims without recourse.

Key things to check in product warranty clauses include:

• Duration: Is it 30 days, 12 months, or “reasonable time”?
• Remedy: Repair, replacement, credit, refund - who decides?
• Process: How does a customer make a claim? Do they need proof of purchase?
• Exclusions: Misuse, wear and tear, unauthorised repairs, failure to follow instructions
• Costs: Who pays freight, call-out fees, installation/removal, or labour?

If you’re selling online or at scale, it’s worth ensuring your written terms align with your operational process (returns workflow, repair partners, and supplier agreements), so you’re not promising something your business can’t realistically deliver.

2) Service Warranties (Professional Or Trade Services)

If you’re providing services - whether you’re a consultant, agency, tradie, or SaaS implementer - service warranties often include promises around:

• standard of care (“reasonable care and skill”)
• timeframes (or “best endeavours”)
• compliance with laws
• deliverables meeting specifications

Watch out for overly broad service warranties that effectively make you responsible for outcomes you can’t control (like the customer’s business performance, revenue increases, or third-party platform changes).

This is also where having a properly scoped Service Agreement (with a clear statement of work) can prevent misunderstandings about what you are and aren’t responsible for.

3) Title And Ownership Warranties (IP, Assets, And Stock)

Many contracts include warranties that the party providing something actually owns it and has the right to supply it.

Common examples include warranties that:

• goods are free from security interests (no one else has a legal claim over them)
• the supplier owns (or can licence) the intellectual property
• the deliverables don’t infringe someone else’s copyright or trade marks

These warranties are especially important in creative work, software development, branding, and product design - where IP ownership can be complicated if multiple contractors and contributors were involved.

If you’re trying to protect your business from day one, it’s worth considering how IP is handled in your contracts (for example, assignments vs licences) and whether your supplier warranties are strong enough to match what you promise to your own customers.

4) Compliance Warranties (Privacy, Employment, Regulatory)

Some warranties go beyond the product or service itself and relate to legal compliance, such as warranties that a business:

• complies with the Privacy Act 2020
• has met all tax obligations
• has complied with employment law
• holds necessary licences and permits

These often show up in business-to-business contracts and business sale transactions, because they’re about reducing “unknown risks” for the buyer or client.

If you collect customer data, make sure your public-facing documents and internal processes match your compliance warranties. Having a properly tailored Privacy Policy is a good starting point, but you’ll also want to ensure your actual practices align with what you say you do.

Can You Limit Or Exclude Warranties In NZ?

Many small businesses assume they can simply add a line in their terms saying “all warranties are excluded”. Sometimes that can help in business-to-business contracts - but it’s not a magic fix, and it can be risky if you’re selling to consumers.

Consumer Customers: Be Careful About “No Warranty” Language

If you supply goods or services to consumers, the Consumer Guarantees Act generally gives consumers rights that can’t be contracted out of.

So if your terms say things like “no refunds” or “no warranties apply”, you could end up:

• creating conflict with your legal obligations
• triggering disputes when customers push back (often with good reason)
• creating Fair Trading Act risk if your wording misleads consumers about their rights

It’s usually better to clearly explain your process (repair/replacement pathways, assessment steps, timeframes) while still respecting the consumer law framework.

Business Customers: Contracting Out May Be Possible (But Needs Care)

For B2B transactions, it may be possible to contract out of the CGA in certain circumstances - but it must be done properly.

In practice, contracting out generally needs to be in writing, and the terms must be fair and reasonable in the circumstances. It’s also typically only relevant where the goods or services are being supplied for business purposes (rather than ordinary personal, domestic, or household use).

Even where the CGA is not in play, the Fair Trading Act can still apply. You also need to consider whether limiting warranties undermines trust with your customers (especially if you’re in a competitive market).

Limitation Of Liability Is Often The Other Half Of The Picture

Warranties set promises; limitation clauses set the boundaries of what happens if those promises are broken.

A well-drafted contract often deals with both, for example by:

• limiting certain types of loss (like “consequential loss”)
• capping liability to fees paid
• setting a warranty claim period (time limit to notify)
• requiring the customer to give you a chance to fix the issue first

The right approach depends heavily on what you sell, who you sell to, and how much risk your business can realistically carry.

Warranties In Business Sales: Why They’re A Big Deal

If you’re buying or selling a business, warranties can be one of the most negotiated parts of the deal.

That’s because when you buy a business, you’re often relying on information you can’t fully verify on your own - customer contracts, employee matters, outstanding disputes, financial records, stock condition, and compliance history.

Common business sale warranties include warranties that:

• financial statements are true and not misleading
• there are no undisclosed debts or liabilities
• key contracts are valid and not in breach
• there are no pending disputes or investigations (unless disclosed)
• employees have been paid correctly and entitlements are up to date
• assets included in the sale are owned by the seller and are in working order

From the seller’s perspective, warranties can feel stressful because they’re essentially a list of promises that could come back to bite you later.

From the buyer’s perspective, warranties are a major part of risk management - because if something is wrong, the warranties may be the clearest pathway to a remedy.

This is where a properly structured Business Sale Agreement matters, along with legal due diligence and clear disclosure schedules (so the warranties reflect reality, not best-case assumptions).

A Quick Example (What Can Go Wrong)

Imagine you sell your ecommerce business. The sale contract says you warrant “all customer data has been collected and stored in compliance with all applicable laws.”

After completion, the buyer discovers you had no proper consent process for marketing emails and no documented privacy policy. Even if it was an oversight (and not intentional), that warranty could expose you to claims from the buyer if they suffer loss fixing the issue or dealing with complaints.

This doesn’t mean you shouldn’t sell - it just means warranties need to be carefully drafted, and your disclosures should be thorough and honest.

How Do You Handle Warranties In Your Contracts (Without Overcomplicating It)?

There’s no one-size-fits-all warranty clause. But there are practical steps you can take to keep things clear, fair, and commercially workable.

1) Be Clear On What You’re Actually Promising

A strong warranty clause is specific. Ambiguous promises (“best quality”, “guaranteed results”, “works perfectly”) are where disputes grow.

Ask yourself:

• What exactly does the customer get?
• What counts as a “defect” or “failure”?
• What’s excluded (misuse, third-party issues, normal wear and tear)?

2) Match Your Warranty To Your Supply Chain

If you promise customers a 24-month replacement warranty but your supplier only gives you 6 months, you’re carrying the gap.

That might be fine if it’s priced in - but many small businesses don’t realise they’ve taken on that risk until it’s too late.

3) Put The Claim Process In Writing

Spell out how customers make claims and what evidence they need. This makes warranty administration smoother, helps your team respond consistently, and reduces the chance of escalation.

4) Think About Your Business Structure And Who Is Carrying The Risk

Contract risk doesn’t exist in a vacuum. If you’re operating as a sole trader, warranty claims and disputes can affect you personally.

For many growing businesses, a company structure is part of the “protected from day one” approach - along with well-drafted contracts that align with how your business actually operates. (This is also where documents like a Company Constitution can help set internal rules if you’re running a company with multiple shareholders.)

5) Don’t Rely On A Template For High-Risk Deals

Templates are tempting, especially when you’re moving fast. But warranties and liability clauses are exactly where “generic” can cause expensive mistakes.

If your contract involves large dollar values, regulated products, complex deliverables, or significant downstream loss risk, it’s worth getting the warranties reviewed and tailored to your specific deal.

Key Takeaways

• A warranty is a contractual promise, and if it’s wrong, it can give the other party rights to a remedy (like repair, replacement, refund, or damages).
• Understanding warranties often comes down to how warranties differ from representations (which can trigger broader misrepresentation or Fair Trading Act issues) and consumer guarantees (which may apply automatically under the Consumer Guarantees Act).
• If you sell to consumers, be careful with “no warranty” or “no refunds” wording - you generally can’t contract out of key CGA obligations, and the Fair Trading Act still applies to your marketing and sales claims.
• In B2B contracts, warranty and liability clauses are often negotiable, but they still need to be clear, commercially realistic, and consistent with what you’ve advertised and agreed to deliver.
• Warranties are a major risk area in business sales, because they cover financials, compliance, liabilities, contracts, staff matters, and asset ownership.
• The best warranty clauses are specific, align with your supply chain, include a clear claim process, and are backed by properly drafted contracts rather than generic templates.

If you’d like help reviewing or drafting warranty clauses for your customer terms, supply agreements, or a business sale, you can reach us at 0800 002 184 or team@sprintlaw.co.nz for a free, no-obligations chat.

Disclaimer: This article is general information only and isn’t legal advice. For advice tailored to your situation, speak with a lawyer.