Business Advertising Laws In New Zealand: Key Rules For SMEs And Startups

Business advertising is one of the fastest ways to grow a new venture - but it's also one of the easiest places to accidentally trip over the law.

If you're running an SME or startup in New Zealand, you're probably juggling a lot at once: building a brand, launching products, finding customers, and trying to stand out in a crowded market. The good news is that New Zealand's advertising rules are generally practical and fair - but you do need to understand the basics, because "we didn't realise" usually isn't a great defence if a customer complains or a competitor challenges your claims.

This guide breaks down the key rules behind business advertising laws in New Zealand, what they mean in real life, and how to reduce your risk while still marketing confidently.

What Laws Apply To Business Advertising In New Zealand?

When we talk about business advertising laws in New Zealand, we're usually talking about a few key legal areas that overlap.

For most SMEs and startups, the main ones are:

• Fair Trading Act 1986 (FTA) ? the big one for advertising. It targets misleading or deceptive conduct, false representations, and unfair practices (including, in some cases, unsubstantiated representations).
• Consumer Guarantees Act 1993 (CGA) ? this doesn't "regulate ads" in the same way, but it affects what you can promise to consumers about quality, refunds, repairs, and remedies.
• Privacy Act 2020 ? applies if your marketing involves collecting, using, or sharing personal information (including email lists, targeted ads, and remarketing audiences).
• Unsolicited Electronic Messages Act 2007 (Anti-Spam) ? applies to commercial emails, texts, and other electronic marketing messages.
• Copyright Act 1994 and Trade Marks Act 2002 ? relevant if your advertising uses images, videos, music, logos, or branding that you don't own (or if your branding steps on someone else's rights).

On top of legislation, you should also be aware that New Zealand has industry standards and complaint processes for advertising (including the Advertising Standards Authority). Even if something isn't strictly illegal, an ad can still cause a headache if it attracts complaints or damages trust.

If you're building an online business, it's also worth having website rules that match what you're advertising - for example Website Terms And Conditions that reflect your supply, delivery, and limitation wording.

How Do You Avoid Misleading Or Deceptive Business Advertising?

If you remember one principle, make it this: your advertising must not mislead people (even accidentally).

Under the Fair Trading Act, it's unlawful to engage in misleading or deceptive conduct in trade. That doesn't mean you need to write boring ads - it just means your overall impression must be accurate.

It's About The Overall Impression (Not Just The Fine Print)

A common mistake is thinking you can "fix" a bold claim with a small disclaimer at the bottom. In reality, regulators and courts tend to look at the overall impression of your advertising, including:

• Headlines and hero text
• Images and before/after visuals
• The order information appears in
• What a typical customer would take away from the message

So if your main message is misleading, a footnote may not save you.

Common High-Risk Claims To Be Careful With

These are the types of statements that often create legal risk for SMEs:

• Price claims (e.g. ?$0?, "free", "half price", "was/now", "lowest price guaranteed")
• Performance claims (e.g. "works in 7 days", "double your revenue", "clinically proven")
• Comparisons (e.g. "better than leading brands", "#1 in NZ", "most trusted")
• Scarcity/urgency (e.g. "only 2 left", "sale ends tonight" if that's not genuinely true)
• Testimonials and reviews (e.g. fake reviews, undisclosed incentives, cherry-picking that creates a misleading impression)

None of these are automatically banned - you just need to be able to back them up and present them honestly.

Practical Tip: Build A "Proof Folder" For Your Key Claims

If you're scaling up your marketing (especially paid ads), it's smart to keep evidence ready for your main advertising claims, such as:

• testing results
• supplier specs
• methodology for comparisons
• pricing history
• survey results (including sample size and timing)

This makes it much easier to respond if a platform, customer, or regulator asks you to substantiate a claim.

What Rules Apply To Pricing, Discounts, And "Special Offers?"

Pricing is one of the most sensitive parts of advertising because it directly affects customer decisions. If your prices, discounts, or promotions aren't clear and accurate, you can quickly end up with complaints (and potentially enforcement action).

Be Clear About The Total Price

If you advertise a price, think about what a customer will reasonably assume that price includes. Problems often come up where there are:

• mandatory fees (booking fees, service charges, admin fees)
• shipping costs that are unavoidable
• additional charges to actually get the advertised outcome

You don't always need to bundle everything into one figure, but you do need to make sure you're not advertising in a way that hides unavoidable costs.

Discount Claims Need To Be Genuine

If you advertise "was $X, now $Y", the "was" price should be a genuine previous price - not a made-up number that was never used, or used briefly just to justify a bigger discount claim.

Similarly, if you claim a "limited time offer", you should be able to show it really was limited.

Giveaways And Competitions Need Their Own Rules

Competitions and giveaways can be amazing for growth, but they need clear terms (entry criteria, eligibility, how the winner is selected, timing, and what happens if circumstances change).

If you run these regularly, it's often worth putting proper Competition Terms & Conditions in place rather than improvising each time.

Can You Use Testimonials, Influencers, And User-Generated Content?

Yes - and for many startups, this is the best-performing type of advertising.

But the legal risk is usually around authenticity and transparency.

Testimonials Must Not Create A False Impression

If you use testimonials, make sure they:

• are genuine (real customer, real experience)
• are not edited in a way that changes the meaning
• don't imply results are typical if they're actually exceptional (unless you clearly explain that)

It's also important not to "over-claim" based on one testimonial. For example, one customer saying "this cured my back pain" doesn't automatically mean you can advertise "cures back pain".

Influencer Marketing Should Be Clearly Disclosed

If someone is promoting your product because you paid them, gave them a free product, or otherwise incentivised them, that should be disclosed clearly so the audience isn't misled.

This is especially important when the promotion is delivered in a casual tone that looks like a personal recommendation. If the commercial relationship isn't obvious, it can raise concerns under the Fair Trading Act and advertising industry standards.

Get Permission For Content (Photos, Videos, Reviews)

If you want to repost customer photos or videos, don't assume "it's on social media so it's free to use." You should have permission, and in some contexts you may want a formal Model Release Form if identifiable people appear in your advertising.

Using content without permission can trigger:

• copyright issues (the creator usually owns the content)
• privacy concerns
• brand damage (even if you technically "get away with it")

What About Online Advertising, Email Marketing, And Privacy?

Modern advertising usually involves data - whether that's email newsletters, website pixels, targeted audiences, or CRM lists. That's where privacy and anti-spam rules matter.

If You Collect Personal Information, Be Upfront

Under the Privacy Act 2020, if you collect personal information (like names, emails, phone numbers, delivery addresses, or even identifiable behavioural data), you generally need to tell people what you're collecting, why, and how it will be used.

In practice, most SMEs handle this with a Privacy Policy and (where relevant) clear collection notices at the point of signup or checkout.

Email And Text Marketing Must Follow Anti-Spam Rules

If you send commercial emails or texts, make sure you have:

• consent (express or inferred, depending on the situation)
• accurate sender information (so people know who is messaging them)
• a working unsubscribe option

Even if your intention is friendly, blasting marketing emails to people who didn't agree to receive them can create legal and reputational risk quickly.

Remarketing And Targeted Ads Still Need Privacy Thinking

If you use tracking tools or create audiences for advertising, you should understand what data is being collected, who it's shared with, and how customers can make choices about it.

This is one of those areas where "everyone does it" doesn't automatically mean it's legally safe for your particular setup - especially if you're collecting sensitive information or working in a regulated space.

What Legal Documents Help Protect You When You Advertise?

Strong advertising isn't just about catchy creative - it's also about making sure your behind-the-scenes legal foundations match what you're saying publicly.

Here are documents that commonly support (and protect) advertising activity:

Website Terms, Sales Terms, And Refund Rules

If you advertise shipping timeframes, refund policies, trial periods, subscriptions, or warranties, your terms should match. Otherwise, you can end up with:

• unhappy customers who feel misled
• payment disputes and chargebacks
• difficulty enforcing your own rules

Depending on your model, you might use E-Commerce Terms And Conditions or more tailored online service terms.

Clear Customer Contracts (For Service Businesses)

If your advertising brings in clients for a service (consulting, agencies, trades, creative services, coaching, software implementation, etc.), it's important your offer is backed by a proper contract that sets out scope, timing, exclusions, and payment terms.

A tailored Service Agreement can help make sure what you promised in your advertising lines up with what you're actually agreeing to deliver.

Disclaimers (Used Carefully)

Disclaimers can help clarify what you mean and reduce confusion, but they're not a magic shield. They work best when they:

• are clear and easy to find
• don't contradict your main message
• reflect reality (and aren't just thrown in "just in case")

If your advertising involves projections, general information, or educational content, a tailored Disclaimer can be a practical risk-management tool.

Protecting Your Brand Assets

Your brand is often the engine of your advertising - your business name, logo, product names, and slogans. Protecting them early matters, especially if you're investing money into marketing and building a reputation.

If you're taking your growth seriously, it's worth considering whether to Register Your Trade Mark so you have enforceable rights if someone else starts using confusingly similar branding.

Key Takeaways

• Business advertising laws in New Zealand are heavily influenced by the Fair Trading Act 1986, which prohibits misleading or deceptive conduct and false (or, in some cases, unsubstantiated) claims.
• Focus on the "overall impression" of your ads - disclaimers can help, but they usually won't fix a headline claim that is misleading.
• Be especially careful with high-risk advertising areas like discounts, "was/now" pricing, performance claims, comparisons, and scarcity tactics.
• If you use testimonials, influencer marketing, or user-generated content, make sure it's genuine, not misleading, and used with appropriate permission and disclosure.
• Online marketing often involves personal information, so you should consider privacy compliance, including having a Privacy Policy and following anti-spam rules for email/text marketing.
• Legal documents like Website Terms And Conditions, a Service Agreement, and properly drafted competition terms can help ensure your advertising promises match your operational and legal reality.
• Getting your legal foundations right from day one lets you advertise with more confidence, reduce complaints, and protect your brand as you grow.

This article is general information only and doesn't take into account your specific situation. If you need legal advice, get in touch with a lawyer.

If you'd like help reviewing your advertising, promotions, or marketing claims (or putting the right legal documents in place), you can reach us at 0800 002 184 or team@sprintlaw.co.nz for a free, no-obligations chat.