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.
If you run a small business, your reputation isn’t just “nice to have” - it’s often the difference between steady sales and a quiet inbox.
So when someone posts a damaging review, makes accusations in your industry, or tells your customers you’re dishonest, it can feel personal and commercial at the same time. The big question is: can you actually sue for defamation in New Zealand?
In this guide, we’ll walk you through how defamation works in NZ (including slander vs libel), when a business can take action, what you need to prove, and what practical steps you should take before you rush into court.
What Is Defamation In New Zealand (And What’s The Difference Between Slander And Libel)?
Defamation is a legal claim you can bring when someone publishes something about you (or your business) that harms your reputation.
In New Zealand, defamation claims are mainly governed by the Defamation Act 1992.
You’ll often hear defamation split into two categories:
- Slander: defamation in spoken form (e.g. a person tells others you’re a scam, or makes allegations at a networking event).
- Libel: defamation in written or recorded form (e.g. a Google review, Facebook post, email, or online forum comment).
Practically, online defamation is usually treated like libel because it’s written and can be repeatedly accessed and shared.
For small businesses, the most common real-world scenarios include:
- a competitor telling customers you’re “unsafe” or “unlicensed”
- a disgruntled customer publishing accusations that are untrue
- a former contractor or supplier warning others not to deal with you, based on false claims
- a social media post implying fraud, theft, or serious incompetence
Defamation is different from just “negative feedback”. Someone saying “I didn’t like their service” is typically opinion. Someone saying “they stole my money” (when they didn’t) is much more likely to raise defamation risk.
Can A Business Sue For Defamation In NZ?
Yes - businesses can sometimes sue for defamation in New Zealand, but it depends on how your business is structured, who the statement is “about”, and whether the business is identifiable from what was said.
Individuals Vs Companies
If the defamatory statement is about you personally (e.g. “the owner is a thief”), then you as an individual may have a claim.
If the statement is about your company (e.g. “ABC Limited is running a scam”), then the company may have a claim.
This is one reason it’s important to be clear on your structure (sole trader vs company), because it affects:
- who the “plaintiff” is in a legal claim
- what evidence you need
- how reputational harm is measured
If you operate through a company, making sure your internal governance is set up properly (for example, with a Company Constitution) can also help clarify decision-making, authority, and how the business responds to disputes.
What If The Defamation Is About Your Staff?
Sometimes the statement is aimed at an employee, but it affects your brand (e.g. “their staff are dangerous” or “their team lies”). In those cases, you may need to work out whether:
- the business itself has been defamed, and/or
- the staff member has the personal claim
Separate to defamation law, if the issue involves an employee relationship (for example, allegations made by a current or former staff member), you may also want to review what your Employment Contract says about confidentiality, conduct, and disputes.
What Do You Need To Prove In A Defamation Claim?
Defamation isn’t just “someone said something mean”. To succeed, you generally need to show a few core elements.
1) The Statement Was Published
“Published” in defamation law doesn’t mean it was published in a newspaper. It means the statement was communicated to at least one other person.
Examples include:
- a review site post
- a Facebook/Instagram story
- a group email
- a WhatsApp group message
- a verbal statement to your customer or supplier
2) The Statement Identified You Or Your Business
The statement must be “about” you. It can identify you directly (by name) or indirectly (enough clues that people understand who is being talked about).
For example, “that café on the corner run by the guy who moved from Wellington” might be enough in a small town.
3) The Statement Is Defamatory
A statement is likely defamatory if it would lower your reputation in the eyes of “right-thinking” members of society.
For businesses, allegations that commonly cross the line include:
- accusations of fraud, theft, or scamming
- claims you are unsafe, unlicensed, or breaking the law (when you aren’t)
- statements implying you exploit customers or mistreat staff (if untrue)
- false claims about your products being contaminated or dangerous
4) Harm Matters (And Evidence Helps)
In New Zealand, you don’t necessarily have to prove specific financial loss to bring a defamation claim - reputational damage can be inferred from the nature of the publication. However, evidence of impact is often important in practice (especially when it comes to damages, urgency, and how seriously the court treats the publication).
Even if something is untrue, you’ll usually be in a stronger position if you can show real-world harm, such as:
- lost customers or cancelled bookings
- a drop in sales after the post
- suppliers refusing to deal with you
- damage to professional relationships
In practice, keeping clear customer records, enquiry logs, and screenshots can make a big difference if you need to show what changed and when.
What Defences Might The Other Person Raise?
Even if you feel completely confident the statement is unfair, defamation law is all about balancing reputation with freedom of expression. That means the other person may have legal defences.
Common defences in NZ include the following.
Truth (Or “Justification”)
If the person can prove the statement was substantially true, that can be a defence. This is one reason you should be cautious before threatening defamation proceedings - if there are genuine issues (even unrelated ones) that could support what was said, the situation can get messy quickly.
Honest Opinion
People are generally allowed to express opinions, including harsh ones, if they are honestly held and based on proper material.
For example, “I think their service is overpriced” is usually opinion. But “they commit fraud” is an allegation of fact - and much harder to defend as opinion.
Privilege
Some communications are protected because of the setting they occur in (for example, certain statements in legal proceedings). Whether privilege applies is technical, and it really depends on the circumstances.
Consent
If you consented to the publication (even indirectly), that may be raised as a defence.
Because defences are fact-specific, it’s worth getting tailored advice before you escalate. Sometimes what feels like an obvious defamation claim turns into a dispute about evidence, context, and interpretation.
What Should You Do If Your Business Is Being Defamed?
When you’re stressed (and understandably angry), it’s tempting to post a public response or send an aggressive email. The problem is: those reactions can make things worse, and sometimes they create new legal risk.
Instead, a calm and methodical approach tends to protect you best.
Step 1: Gather Evidence (Properly)
Before anything disappears, capture and store:
- screenshots of posts, reviews, comments (including date/time and URL)
- any messages or emails where the statement was repeated
- names of customers/suppliers who saw it (if they’re willing)
- evidence of harm (cancellations, refunds, lost contracts, sales reports)
If it involves phone calls, be careful: recording conversations raises legal and privacy issues. If call recordings are part of your business processes, you’ll want to ensure you have appropriate privacy settings and disclosures in place, often backed by a properly drafted Privacy Policy.
Step 2: Work Out What Outcome You Want
For small business owners, the most commercial outcome often isn’t “winning a court case” - it’s getting the content removed and stopping the damage.
Common practical outcomes include:
- the post/review being removed
- a retraction or correction being published
- an apology
- a written undertaking not to repeat the claims
- a settlement (sometimes confidential)
Having a clear goal helps you (and your lawyer) choose the most efficient path.
Step 3: Don’t Accidentally Defame Them Back
It’s surprisingly easy for a business owner to respond in a way that creates a counter-claim.
Try to avoid:
- accusing them of crimes
- posting “exposés” with unverified claims
- sharing private customer information to “prove your side”
If you need to set boundaries publicly, keep it short, factual, and non-inflammatory (and ideally get advice first).
Step 4: Consider A Lawyer Letter Or Formal Notice
Often, defamation disputes resolve before court through a carefully drafted letter that:
- sets out what was published
- explains why it’s defamatory and untrue
- requests removal and a retraction
- puts the other party on notice about ongoing harm
It’s also worth moving quickly. Defamation claims have strict time limits, and in many cases you’ll have about 2 years from publication to file in court (with extensions only in limited circumstances). Also, New Zealand has an “offer of amends” process, where the publisher may offer a correction/apology and other steps - which can affect what happens next and whether court action is worthwhile.
This kind of early intervention can be a smart move because it’s faster and cheaper than full litigation - and it can also help show you acted reasonably.
Step 5: Think About Your Wider Legal Risk Management
Sometimes reputational attacks happen alongside other disputes - like contract fallouts, refunds, or service quality complaints. If there’s an underlying commercial relationship, you may also need to review your contracts and customer-facing terms.
Depending on your situation, that might include:
- clear Business Terms for customer complaints and refunds
- a tailored Non-Disclosure Agreement if sensitive information is being shared during settlement talks
- better internal procedures to document incidents and communications
Getting those foundations right won’t stop someone from posting a bad review - but it can make it much easier to respond confidently and protect your position.
Is Suing For Defamation Always The Best Option For Small Businesses?
You can sue for defamation in New Zealand, but whether you should is a separate question.
Defamation disputes can be time-consuming, stressful, and expensive - especially if the other side fights hard or raises complex defences. For many small businesses, the better strategy is a stepped approach:
- Start with evidence gathering and a calm assessment of the risk.
- Seek removal/correction through informal communication (where appropriate).
- Escalate to a formal lawyer letter if the harm is serious or ongoing.
- Consider court action if the damage is significant and other options fail.
Watch Out For The “Streisand Effect”
There’s also a practical marketing reality: sometimes legal threats can draw more attention to the defamatory content. You don’t want the dispute to become the story.
This doesn’t mean you should do nothing - it just means your strategy should be commercially informed, not purely emotional (as hard as that is when your reputation is on the line).
Defamation Vs Other Legal Options
Depending on what was said and where, you might also have other avenues besides defamation, such as:
- complaints to the platform (review site/social media) for policy breaches
- privacy-related action if personal information was published unlawfully
- Fair Trading Act issues if a competitor is making misleading claims about your business (this is especially relevant if the statements are made “in trade”)
The right option depends heavily on the facts, the evidence you have, and what outcome you’re aiming for.
Key Takeaways
- Defamation in New Zealand is governed primarily by the Defamation Act 1992, and it covers both spoken statements (slander) and written/recorded statements (libel).
- A business can sometimes sue for defamation, but the right claimant depends on whether the statement targets you personally, your company, or another identifiable person associated with your brand.
- To bring a defamation claim, you generally need to show the statement was published to someone else, it identified you or your business, and it was defamatory (with evidence of impact often strengthening your position, particularly on damages).
- Even if a statement feels clearly unfair, the other party may have defences such as truth, honest opinion, or privilege, so early legal advice can save you time and cost.
- Defamation claims have strict time limits in New Zealand, so getting advice early can be crucial.
- For small businesses, the most practical first step is usually gathering evidence and seeking removal/correction, before considering formal legal action.
- Having strong legal foundations - including clear customer terms, employment documents, and privacy settings - can help you respond to reputation attacks quickly and confidently.
If you’d like help responding to a defamation situation (or putting the right legal protections in place so you’re protected from day one), you can reach us at 0800 002 184 or team@sprintlaw.co.nz for a free, no-obligations chat.


