Social Media Marketing: Rewarding, But Potentially Dangerous? (2026 Updated)

Social media marketing can be one of the fastest (and cheapest) ways to build a brand in New Zealand.

You can go from “just launched” to “fully booked” in a few weeks, especially if your content starts travelling beyond your existing audience.

But there’s a catch: the same speed and reach that makes social media so rewarding can also make it legally risky. A single post, story, comment, or DM can create obligations you didn’t expect - or expose your business to complaints, takedowns, platform bans, or reputational damage.

This 2026 update reflects the reality that regulators, platforms and consumers are all more alert than ever to issues like misleading claims, privacy breaches, copyright misuse and influencer disclosure.

Don’t stress though. Most of the “danger” in social media marketing is manageable if you understand the legal basics and put the right documents and processes in place from day one.

Why Social Media Marketing Is So Powerful (And Why It Can Backfire)

Social media is a direct line to your customers. You can:

• Build trust quickly using behind-the-scenes content and testimonials
• Test new product ideas (and get instant feedback)
• Run targeted ads and retarget website visitors
• Drive traffic to your website or online store
• Grow brand recognition without traditional media spend

The flip side is that social media is also:

• Public (even when you think it isn’t)
• Fast (mistakes spread quickly)
• Permanent (screenshots live forever)
• Interactive (your customers can respond in real time)

That matters because the law doesn’t treat a social post as “just content”. In many cases, it’s advertising. Sometimes it’s a contract conversation. Sometimes it’s a privacy decision. And sometimes it’s an intellectual property issue.

A helpful mindset is this: if a reasonable customer might rely on a social media statement to spend money, it’s worth treating it like a formal business communication.

Are Your Posts “Advertising”? Your Key Obligations Under NZ Consumer Law

Most business social media marketing counts as advertising - even if it’s casual, even if it’s a “story”, and even if you didn’t pay for the post.

In New Zealand, two key laws often show up in social media disputes:

• Fair Trading Act 1986 (misleading or deceptive conduct, false or misleading representations, bait advertising, unfair practices)
• Consumer Guarantees Act 1993 (certain guarantees apply when you supply goods or services to consumers)

Misleading Claims: The “Before And After” Trap

Some of the highest-risk content categories on social media are posts that show results:

• fitness transformations
• skin or cosmetic outcomes
• financial “wins” (especially “easy money” framing)
• business coaching claims (“guaranteed revenue”)
• home renovation value jumps

If you’re making claims about what your product or service does, you need to be able to substantiate them. In plain terms: don’t post it unless you can back it up.

Even if your intention is positive, “This will fix your problem” can be risky if it’s not accurate for typical customers. You can still market confidently - just be careful with absolute promises like “guaranteed”, “always”, “cures”, “permanent”, or “risk-free”.

Pricing Posts: Make Sure The Deal Is The Deal

Social posts about pricing can create headaches when:

• the price is unclear (e.g. “from $49” with hidden conditions)
• the price is time-limited but the end date isn’t disclosed
• you advertise a bundle that’s not actually available in practice
• you promote a discount that isn’t real (for example, inflating the “was” price)

If you run promotions, it’s smart to have clear written rules (especially for giveaways and competitions). Many businesses manage this by publishing competition terms and conditions and linking to them from the post.

Testimonials And Reviews: Helpful, But Don’t Overstep

Testimonials can be a great conversion tool, but you still need to use them carefully.

Practical tips:

• Don’t edit testimonials in a way that changes their meaning
• Don’t imply a testimonial is typical if it’s actually a rare result
• If you’re incentivising reviews (discounts, free products), make sure you’re not creating a misleading impression
• If you’re reposting someone else’s content, think about consent and ownership (more on that below)

If your social posts drive customers to purchase online, it’s also worth tightening up your written customer-facing rules (refunds, delivery, cancellations, limitation of liability) in your terms and conditions.

Privacy And DMs: What You Collect On Social Media Can Still Be “Personal Information”

Many business owners assume privacy law only applies to what happens on a website or in a CRM.

In reality, social media marketing can involve a lot of personal information, including:

• names, handles, profile photos and contact details
• delivery addresses shared in DMs
• user-generated content (UGC) featuring identifiable people
• health or “sensitive” details (common in wellness, counselling, fitness, medical services)
• inquiries that include private circumstances (e.g. relationship issues, mental health, finances)

In NZ, the Privacy Act 2020 is the key law setting expectations around how you collect, use, store and disclose personal information.

Common Social Media Privacy Risks

Here are some of the privacy problems we see frequently in social media marketing:

• Screenshotting and reposting DMs (even if you blur a name, the person may still be identifiable)
• Reposting customer photos without clear consent
• Publishing customer lists (for example, tagging “all our new clients this week”)
• Running lead-gen campaigns without telling people what you’ll do with their details
• Sharing “before and after” photos that reveal identity, location, or other sensitive details

Even if you’re using platform tools (Meta lead forms, TikTok lead ads, LinkedIn lead gen), your business is still responsible for what happens next.

A good baseline step is having a clear Privacy Policy that explains what information you collect, why you collect it, and how people can contact you about their information.

Can You Record Social Media Calls Or Customer Calls?

Some businesses now sell via phone or voice calls generated from social media ads. If you’re recording calls for training or “quality assurance”, make sure you understand New Zealand rules before you hit record.

This comes up a lot for sales teams, booking calls, and customer support, and it’s worth getting across the basics of call recording laws so your process is defensible and transparent.

Copyright, Trade Marks And Content Theft: Protecting Your Brand (And Avoiding Infringement)

Social media makes it incredibly easy to create content. It also makes it incredibly easy to copy content.

From a legal perspective, the big three IP risks in social media marketing tend to be:

• Using someone else’s content (music, images, videos, graphics, written captions)
• Someone else using your content (copying your posts, brand assets, product photos)
• Brand confusion (similar business names, similar logos, similar handles)

Copyright: “It’s On Google” Doesn’t Mean It’s Free To Use

If you pull an image from Google, repost a meme, use a photo from Pinterest, or lift text from a competitor’s website, you might be infringing copyright.

Even when platforms provide “commercial music libraries”, you should still be careful about using trending audio in paid ads, using music outside the licence scope, or repurposing content across platforms. The safest approach is to use content you created yourself, licensed assets, or content where you have clear permission to use it for commercial purposes.

If you work with creators, designers, videographers or agencies, it’s also smart to be clear in writing about who owns the final deliverables and how you can use them.

Trade Marks: Your Handle Isn’t Your Legal Protection

Securing an Instagram handle or TikTok name feels like you “own” your brand - but it’s not the same as legal rights.

A registered trade mark can help you stop others from using an identical or confusingly similar name in your industry. It can also make it easier to deal with brand impersonation or knockoffs.

If you’re at the stage where you’re investing in ads and building a recognisable brand, it’s worth thinking about register your trade mark as part of your brand protection plan.

UGC And Reposts: Who Actually Owns The Content?

User-generated content is marketing gold. A customer tags you, posts a great photo, and you want to share it.

But ownership and permission can get messy. Even if someone tags your business, it doesn’t automatically mean you have permission to reuse their photo in your advertising (especially paid ads).

As a general rule, get clear consent before using customer images and videos in marketing, particularly if the content:

• includes children
• includes sensitive contexts (health, recovery, personal circumstances)
• will be used in paid advertising
• will be used outside the platform where it was originally posted

If you’re running professional shoots or working with creators, a Model Release Form can help you secure permission to use images and videos for marketing.

Influencers, Affiliates And Brand Ambassadors: Don’t Let “Casual” Deals Become Costly

Influencer marketing can be a smart shortcut to credibility - especially when your business is new and you’re still building trust.

But the more your marketing relies on third parties, the more you need to control the legal risk.

What Can Go Wrong With Influencer Marketing?

Common problems we see include:

• an influencer making claims you can’t substantiate (and your business wears the consequences)
• unclear deliverables (how many posts, what content, what format, what timeline)
• no usage rights (you can’t repurpose their content in ads later)
• brand safety issues (the influencer posts something controversial)
• payment disputes (especially where “commission” is involved)

A good influencer relationship is still a business relationship. If money or free product is involved, it’s worth having a clear agreement that covers deliverables, approvals, usage rights, and what happens if something goes wrong.

Depending on the setup, you might use an influencer agreement, an affiliate marketing agreement, or a referral arrangement. The right document depends on whether you’re paying a flat fee, gifting products, paying commission, or sharing revenue.

Affiliate Links And Discount Codes: Be Clear With Customers

Discount codes and affiliate links are popular because they’re easy to track. But they can still trigger consumer law issues if the promotion is misleading or if the pricing isn’t clear.

If your influencer is advertising a discount, make sure:

• the discount is real and available for the advertised period
• the influencer doesn’t add extra “promises” about outcomes
• your own checkout and terms match what’s being advertised

This is also where your “behind the scenes” legal foundations matter. If you’re scaling sales through social media, it’s a good time to check whether your business has the right structure and ownership arrangements in place (especially if co-founders are involved). A well-drafted Shareholders Agreement can help reduce disputes as the brand grows and money starts moving faster.

Employment And Contractor Risks: Who’s Posting On Your Business Account?

As your social channels grow, you might bring in help - a social media manager, a VA, a marketing agency, or an in-house employee.

This is where a lot of businesses accidentally create risk, because access to your socials is access to your brand voice, your customer communications, and sometimes your customer data.

Employee Vs Contractor: Why The Difference Matters

Whether someone is your employee or a contractor affects:

• who controls the work and working hours
• tax obligations
• who owns work product (like content and creative assets)
• what policies and workplace obligations apply

If you’re hiring someone to manage social media, it’s important to paper it properly. An Employment Contract can set expectations around confidentiality, who owns content created at work, and what happens when the relationship ends (including access to accounts and admin permissions).

If you’re engaging a freelancer or agency, a contractor agreement or services agreement is usually more appropriate, and you’ll want to make sure it covers IP ownership and confidentiality.

Confidentiality And Brand Protection

Social media teams often see sensitive information, like:

• upcoming launches and pricing
• customer complaints and refunds
• business analytics and ad account data
• supplier arrangements

This is why confidentiality clauses (and clear exit processes) matter. It’s not about being distrustful - it’s about protecting the business you’re building.

And if your business is handling customer information through socials (like booking details via DMs), consider whether you also need internal privacy processes, not just public-facing disclosures.

Key Takeaways

• Social media marketing is often treated as advertising, so your posts need to comply with the Fair Trading Act 1986 and avoid misleading or unsubstantiated claims.
• Promotions, giveaways and discounts should be clearly explained, and having written competition terms can help reduce disputes and complaints.
• Personal information collected through comments, DMs and lead forms can still trigger obligations under the Privacy Act 2020, so having a clear Privacy Policy and sensible processes matters.
• Copyright and trade mark issues are common on social media - use only content you have rights to, and consider trade mark registration as your brand grows.
• Influencer and affiliate arrangements should be documented so deliverables, usage rights, and compliance expectations are clear from the start.
• If employees or contractors are running your social accounts, make sure the relationship is properly documented and includes confidentiality and ownership of content.

If you’d like help setting up the legal foundations behind your social media marketing (contracts, privacy, promotions, brand protection, or hiring), you can reach us at 0800 002 184 or team@sprintlaw.co.nz for a free, no-obligations chat.