Starting a small business is exciting - you’ve got a product (or service), a name, and a plan to get it out into the world.
But the truth is, most “small business mistakes” aren’t about passion or effort. They’re usually about the boring stuff you put off because you’re busy: structure, contracts, compliance, cash flow, and having the right paperwork in place before things get complicated.
This 2026 updated guide focuses on the mistakes we see small businesses make again and again in New Zealand - especially as more businesses go digital, collect more customer data, and rely on online marketing. The good news? Most of these issues are fixable, and many are avoidable if you handle your legal foundations early.
Getting The Basics Wrong: Structure, Ownership And Registrations
When you’re starting out, it’s normal to want to keep things simple. But “simple” can become “expensive” pretty quickly if you pick the wrong structure or don’t clarify who owns what.
1. Choosing A Business Structure Without Thinking About Liability
One of the most common mistakes is picking a structure based on what’s quickest to set up, rather than what actually protects you.
For example, operating as a sole trader can be a great low-cost start - but it can also mean you’re personally on the hook for business debts or disputes. A company structure can offer limited liability protections in many situations, but it comes with extra compliance and admin.
Before you decide, think about:
- How much financial risk you’re taking on (leases, stock, equipment finance, guarantees)
- Whether you’ll have staff or contractors
- Whether you’re taking investment or bringing in co-founders
- Whether you want the ability to sell the business later
It’s worth getting proper advice early - changing structure later is possible, but it can be messy and costly if you’ve already signed contracts, built up assets, or taken on obligations.
2. Going Into Business With A Partner Without A Written Agreement
If you’re starting with a friend, partner, or family member, it can feel awkward to “make it formal”. But not having the right agreement is one of the fastest ways to end up in conflict - even when everyone starts with good intentions.
A proper agreement helps you avoid painful questions later, like:
- Who owns what percentage of the business?
- What happens if someone wants to leave?
- Who makes decisions day-to-day?
- What if one person puts in more time (or money) than the other?
- What happens if you disagree on growth plans or taking dividends?
If you’re setting up a company with more than one owner, a Shareholders Agreement is usually the backbone document that keeps expectations clear and reduces the risk of disputes.
3. Not Registering Key Assets (Or Registering The Wrong Things)
Plenty of small businesses register a company and think that means their name is “protected”. In reality, registration is a bit more nuanced.
Common traps include:
- Using a business name that conflicts with someone else’s brand (even unintentionally)
- Not understanding the difference between a company name, a domain name, and a brand you can enforce
- Launching branding before checking if it’s available
- Not registering IP where it matters most (often trade marks)
A quick name and trade mark check upfront can save you from a rebrand later - and rebrands cost more than most people expect (new packaging, updated websites, new signage, lost reviews and customer recognition).
Contracts And Documentation Mistakes That Come Back To Bite You
Contracts are one of those things you don’t miss - until you really, really need them.
4. Using Templates That Don’t Match Your Business (Or Not Using Contracts At All)
Generic templates are tempting, especially when you’re watching your budget. But templates often don’t reflect how your business actually operates, and they can create a false sense of security.
When things go wrong, the detail matters. A solid contract should match your real-world processes, including:
- What you’re delivering (and what’s excluded)
- Timeframes and milestones
- Payment terms, deposits, and what happens if a client doesn’t pay
- Who owns IP created during the work
- How disputes are handled
- Limits on liability (where appropriate)
Even if you’re dealing with “friendly” customers, misunderstandings happen. Having a properly drafted Service Agreement (or strong terms and conditions) gives you a clear baseline to rely on.
5. Not Having Your Employment Paperwork Right From Day One
Your first hire is a big milestone - and also a moment where legal risk can jump significantly if you don’t get the documentation right.
Common issues include:
- Hiring someone “casually” without clarifying hours, expectations, or status
- Relying on a verbal agreement about pay, responsibilities, or notice
- Not covering confidentiality, IP ownership, or conflict of interest
- Not having policies that match how your workplace actually runs
In New Zealand, employment relationships are heavily regulated and you need to follow fair process - especially when performance issues arise or you need to restructure.
A clear Employment Contract helps you set expectations early and reduce confusion later, while still keeping the relationship practical and workable.
6. Confusing Contractors With Employees
Many small businesses use contractors because it feels more flexible. That can be completely legitimate - but only if the person truly is a contractor in how the relationship works day-to-day.
Getting this wrong can expose you to serious risk (including claims for holiday pay, sick leave entitlements, and other employee protections).
Some practical questions to ask:
- Do they control how and when they work, or do you?
- Can they subcontract or send someone else to do the work?
- Do they work mainly for you, long-term, like a staff member would?
- Are they using their own tools and taking on business risk?
If you’re engaging contractors regularly, using a properly drafted Contractor Agreement is one of the simplest ways to set clear boundaries and reduce confusion about expectations.
Compliance Blind Spots: Advertising, Privacy And Everyday Legal Obligations
Compliance doesn’t need to be scary - but it does need to be intentional. The most common compliance mistakes happen when business owners simply don’t realise the rules apply to them.
7. Advertising In A Way That Breaches Consumer Law
Marketing is where small businesses can accidentally cross legal lines - especially online, where it’s easy to publish fast and iterate later.
In New Zealand, the Fair Trading Act 1986 prohibits misleading or deceptive conduct. That includes your ads, website claims, social media posts, and even what you say in DMs if it influences a customer’s decision.
The Consumer Guarantees Act 1993 also gives consumers automatic guarantees for many goods and services. You generally can’t “contract out” of these obligations when selling to consumers.
Common problem areas include:
- Before-and-after claims that aren’t typical or substantiated
- “Limited time” offers that roll on forever
- Confusing pricing (hidden fees, unclear delivery costs, or unclear subscription terms)
- Overpromising results (especially in health, beauty, coaching, or performance services)
If you sell online, be especially careful with how you describe refunds, exchanges, and cancellation rights, because consumer expectations (and enforcement) are high.
8. Collecting Customer Data Without Proper Privacy Settings (And Documents)
Even small businesses can end up holding a surprising amount of personal information - names, emails, delivery addresses, phone numbers, purchase history, enquiry forms, and sometimes even sensitive information depending on your industry.
Under the Privacy Act 2020, you need to handle personal information responsibly. That includes being transparent about what you collect and why, storing it securely, and only using it in ways you’ve told people about (or that they’d reasonably expect).
Typical mistakes we see include:
- Not having a privacy policy (or having one that doesn’t match your actual practices)
- Collecting more information than you need
- Sharing customer data with platforms or vendors without thinking through access and security
- Not having a plan if a device is lost or an account is hacked
If your website collects enquiries, sells products, runs subscriptions, or uses marketing pixels, you’ll usually want a clear Privacy Policy that reflects what you actually do.
9. Ignoring Health And Safety Because You’re “Just A Small Business”
Health and safety obligations apply whether you’ve got one staff member or fifty.
Under the Health and Safety at Work Act 2015, businesses (and in many cases, directors and officers) have duties to take reasonably practicable steps to keep workers and others safe.
This doesn’t mean you need to turn your workplace into a bureaucracy. But it does mean you should have sensible systems in place, such as:
- Risk identification relevant to your work (including driving, lifting, tools, client sites, lone work)
- Training and supervision where needed
- Incident reporting processes
- Clear responsibilities (especially if you have supervisors or team leads)
If you operate from a physical location (or send workers to customer sites), health and safety is not optional - it’s part of running your business properly and protecting your people.
Commercial Reality Checks: Cash Flow, Leases, And Scaling Too Fast
Not all “mistakes” are strictly legal - but the commercial ones often become legal problems when pressure hits.
10. Signing A Lease Or Major Supplier Deal Without Understanding The Risk
Leases and long-term supply contracts are often the biggest financial commitments small businesses make - and they can be hard to unwind if things don’t go to plan.
Common mistakes include:
- Signing a lease with personal guarantees without understanding what it means for your personal assets
- Agreeing to fit-out obligations or make-good clauses that blow out your costs
- Not negotiating key commercial terms (rent reviews, options to renew, assignment rights)
- Assuming “standard” lease terms are always fair
Even when the relationship with the landlord or supplier is positive, the document still governs what happens if something changes - like a downturn, relocation, sale of the business, or a dispute.
Getting a Commercial Lease Review before you sign is one of those steps that can save you from years of stress later.
A Quick Bonus Mistake: Leaving Problems Too Late
If there’s one theme across all these points, it’s timing.
Small business owners often wait until:
- a customer refuses to pay,
- a staff issue escalates,
- a co-founder relationship breaks down, or
- a competitor copies the brand
…before they look at the legal side. By then, you’re usually dealing with damage control instead of prevention.
Setting up proper legal foundations doesn’t guarantee you’ll never have problems - but it usually means you’ll have clearer options, stronger leverage, and far fewer surprises.
Key Takeaways
- Choose a business structure based on risk and growth plans, not just what’s quickest to set up.
- Put co-founder and ownership arrangements in writing early, because it’s much harder to “fix later” once money and responsibilities are involved.
- Don’t assume registering a company name protects your brand - consider what registrations actually secure your business identity.
- Avoid generic contract templates that don’t match how your business operates, because details like payment, IP ownership, and disputes matter most when things go wrong.
- Get employment and contractor documentation right from day one, as missteps here can create costly disputes and compliance risks.
- Make sure your marketing and sales practices comply with the Fair Trading Act 1986 and Consumer Guarantees Act 1993, particularly for online advertising and pricing claims.
- If you collect customer information, follow the Privacy Act 2020 and use documents and processes that reflect your real data practices.
- Be careful with major commitments like leases and long-term supplier deals, because the contract terms can affect your business (and personal exposure) for years.
If you’d like help setting up your small business the right way - or fixing an issue before it becomes a bigger dispute - you can reach us at 0800 002 184 or team@sprintlaw.co.nz for a free, no-obligations chat.
