Public Liability Insurance for Sole Traders NZ: A Complete Guide
What public liability insurance covers, who needs it, how much it costs, and how to get the right policy for your sole trader business.
Public liability insurance is the cornerstone of most sole trader insurance packages. It's often the first policy a new sole trader gets, and it's frequently required by clients and principal contractors before work can begin. This guide explains everything you need to know.
What Is Public Liability Insurance?
Public liability insurance covers legal liability for injury or property damage caused to third parties — clients, members of the public, or bystanders — as a result of your business activities.
When a third party suffers loss because of something your business did or failed to do, they have a legal right to claim compensation. Public liability insurance pays: - The legal costs of defending the claim - Any compensation you're legally required to pay - Court costs and other related expenses
Without insurance, these costs fall directly on you personally.
Who Needs Public Liability Insurance?
As a general rule: if you interact with people or property in the course of your business, you need public liability insurance. More specifically:
Definitely need it: - Tradies of all kinds (builders, electricians, plumbers, painters, roofers) - Cleaners and maintenance workers - Personal trainers and fitness instructors - Market stall operators and food truck owners - Event vendors and caterers - Gardeners and landscapers - Anyone who works at client premises
Very likely need it: - Consultants who meet clients in person - Healthcare practitioners and wellness providers - Photographers and videographers - Accountants and bookkeepers with a physical office - Any business with a premises open to clients
May need it depending on circumstances: - Online-only consultants with no client-facing contact - Home-based freelancers who never meet clients
Even if you think your risk is low, the potential cost of an uninsured claim is high enough that most sole traders should have public liability insurance regardless.
What Does Public Liability Insurance Cover?
Third-party bodily injury: A client, subcontractor, or bystander is injured because of your business activities. Your policy covers their medical costs, lost income, and any compensation awarded.
Third-party property damage: You accidentally damage a client's or third party's property. Your policy covers repair or replacement costs and any consequential losses.
Products liability: If you supply, install, or manufacture products as part of your work and those products cause harm, products liability (usually included in or available as an extension to public liability) covers the resulting claims.
Legal defence costs: Even if a claim is spurious or you successfully defend it, legal fees must be paid. Your policy covers these costs throughout the claims process.
Advertising liability: Some policies include cover for advertising liability — claims arising from your advertising injuring the reputation or business of a third party (e.g., implied defamation in advertising).
What Public Liability Doesn't Cover
Your own injuries: ACC covers accident injuries to you. Public liability is for third parties only.
Employee injuries: If you have employees, employers liability is needed for work-related injuries to your staff.
Professional advice errors: If the claim is based on errors in your professional advice rather than physical injury or property damage, professional indemnity is the relevant policy.
Contractual liability you've assumed: If you agree to assume liability beyond what you'd have at common law (often via contractual indemnities), standard public liability policies may not cover that assumed liability.
Your own property: Damage to property you own, lease, or are responsible for is covered by property and business contents policies, not public liability.
Intentional damage: Deliberate acts are excluded from all liability policies.
How Much Public Liability Do You Need?
The most common coverage limits for NZ sole traders are:
$1 million: Suitable for lower-risk sole traders including office-based consultants, home-based service providers with limited client interaction, and low-risk market stall operators.
$2 million: The standard for most tradies, cleaners, personal trainers, photographers, and any sole trader working regularly at client sites or premises.
$5 million: Required for government contracts, large commercial projects, high-risk construction, working at events with large public attendance, or any work where a single incident could cause catastrophic loss.
If a client specifies a minimum cover requirement in their contract, you must meet at least that requirement.
What Does Public Liability Cost?
Premium pricing depends on: - Your occupation (high-risk trades pay more than consultants) - Annual revenue - The limit of cover you choose - Your claims history - Whether you need any extensions (products liability, additional insured endorsements, etc.)
Indicative annual premiums:
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These are indicative ranges — actual premiums depend on your specific circumstances.
How to Get a Certificate of Currency
When a client or principal contractor asks for proof of public liability insurance, they want a "certificate of currency." This is a one-page document your insurer or adviser provides that confirms: - Your policy is current and in force - The coverage limit - The policy period - Any specific conditions relevant to the work
Your adviser can provide this promptly — usually within a few hours of a request. Keep a copy readily accessible and know how to request a fresh certificate when needed (particularly if a client is named as an additional interested party on the certificate).
Getting the Right Policy
The key variables to consider beyond just the limit: - Products liability inclusion: Essential if you supply any goods or materials - Excess (deductible): What you pay before insurance responds; $500–$2,500 is typical - Specific exclusions: Some policies exclude certain trades or activities; ensure your actual work is covered - Retroactive cover: For sole traders who were previously covered elsewhere, ensure the new policy covers incidents from prior work if required
An adviser can compare options from Vero, NZI, QBE, Delta Insurance, and other NZ insurers, ensuring the policy wording matches your specific work.
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