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.
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If you run a small business in New Zealand, chances are you’ve heard of WorkSafe - and you may have wondered what they can actually do if they turn up at your workplace.
Understanding the scope of WorkSafe New Zealand powers isn’t about expecting the worst. It’s about being prepared. When you know the rules, you can respond calmly, protect your team, and avoid decisions in the moment that accidentally create bigger issues later.
In this guide, we’ll break down (in plain English) what WorkSafe can do under New Zealand’s health and safety laws, what it means for you as a business owner, and how to get your legal foundations right from day one.
What Is WorkSafe’s Role Under NZ Health And Safety Law?
WorkSafe is New Zealand’s primary health and safety regulator. In practical terms, WorkSafe’s job is to:
- encourage compliance with health and safety requirements (so people don’t get hurt at work);
- monitor and enforce compliance (including investigations and site visits); and
- take action where necessary (including issuing notices and prosecuting serious breaches).
The key law you’ll hear referenced is the Health and Safety at Work Act 2015 (HSWA). HSWA is built around the idea that people running a business should proactively manage risks - not just react after an incident.
Under HSWA, many businesses will be a PCBU (a “person conducting a business or undertaking”). That’s a broad term that can cover sole traders, companies, partnerships, and organisations.
As a PCBU, you have primary duties to ensure health and safety “so far as is reasonably practicable”. That ties directly into how and why WorkSafe may get involved - especially if there’s a serious incident, a complaint, or an identified risk.
If you’d like a quick refresher on what your responsibilities look like day-to-day, this is closely connected to your duty of care and how you manage workplace risks.
WorkSafe New Zealand Powers: The Big Picture
When people talk about WorkSafe’s powers in New Zealand, they’re usually referring to the legal authority WorkSafe (and its inspectors) have to do things like:
- enter workplaces and certain other locations;
- inspect, examine, and take measurements;
- request documents and information (and, in some situations, formally require answers);
- take samples and seize items in specific circumstances;
- issue improvement notices, prohibition notices, and other enforcement tools;
- investigate incidents and interview workers and officers;
- start prosecutions and seek penalties through the courts.
For a small business, the important takeaway is this: WorkSafe’s powers are real and practical. They are not limited to “big” industries. Retail stores, cafés, tradies, offices, home-based businesses, and e-commerce operations with a warehouse or contractors can all fall within scope.
At the same time, these powers are not unlimited. WorkSafe must follow lawful processes. Knowing what they can and can’t do helps you cooperate appropriately while also protecting your business.
Can WorkSafe Enter Your Workplace And Inspect It?
Yes - WorkSafe inspectors have powers to enter a workplace to carry out their functions under HSWA.
In many cases, they can enter without a warrant and without prior notice (for example, for inspections or to respond to a serious incident). However, there are important limits: for example, entry into a private dwelling (like a home) generally requires the occupant’s consent or a warrant, even if work is being carried out there.
What Can Inspectors Do Once They’re On Site?
Once lawfully on site, an inspector’s powers can include:
- examining the workplace, plant, substances, structures, or systems of work;
- taking photographs, videos, and measurements as part of an inspection or investigation;
- conducting tests (or requiring tests to be conducted) and taking samples in certain situations;
- requiring the workplace (or part of it) to be left undisturbed (commonly after a notifiable event) while inquiries are made (noting there are exceptions, such as helping an injured person, making the site safe, or actions necessary to prevent further harm);
- seizing items or documents in certain circumstances (particularly where evidence could be lost, concealed, or destroyed).
From a business owner’s perspective, it helps to have a plan for what happens if an inspector arrives. For example:
- Who greets the inspector?
- Who is the key contact person?
- Where are health and safety documents kept?
- How are staff instructed to respond (calmly and honestly) if asked questions?
WorkSafe visits can feel stressful, but “messy” responses often happen when the basics aren’t documented. Having a clear Workplace Policy and safety processes that people actually follow can make a big difference.
What About “Private” Areas Or Working From Home?
This is where things can become nuanced. A “workplace” under HSWA can include places where work is being carried out - which can include vehicles and temporary sites, and may include parts of a home where work is performed.
However, even if part of a home is used for work, WorkSafe’s ability to enter a private dwelling is more restricted than a typical commercial workplace (and will generally require consent or a warrant). If your business is home-based, you’ll want to think carefully about what parts of your operation involve “workplace” activities (for example, storage, packaging, client visits, or use of equipment). If you’re unsure, getting tailored advice early can save headaches later.
Can WorkSafe Ask For Documents, Information, And Interviews?
Yes - information-gathering is a major part of WorkSafe’s enforcement role, and this is often where small businesses get caught off guard.
Depending on the situation, inspectors may ask for (or formally require) information such as:
- risk assessments and hazard registers;
- incident and near-miss reports;
- training records and competency evidence;
- maintenance records for plant and equipment;
- toolbox meeting notes;
- contracts and documents showing who is responsible for what (especially where contractors are involved);
- policies and procedures, including emergency plans.
Do You Have To Answer Questions?
WorkSafe inspectors may interview people and ask questions as part of an inspection or investigation. Whether you must answer, and in what form, can depend on how the inspector is exercising their powers (for example, an informal request versus a formal requirement made under HSWA).
In some situations, an inspector can require a person to answer questions or provide information. HSWA also contains protections around compelled answers (including limits on how certain compelled statements can be used against the individual in criminal proceedings, subject to exceptions such as giving false or misleading information).
As a general rule, you should:
- be cooperative and not obstruct an inspector;
- be truthful - guessing or speculating can create issues later;
- take notes on what was asked and what was provided;
- ask for clarification if you don’t understand what is being requested (including whether it’s a formal requirement and when it’s due);
- get legal advice early if the matter appears serious or if a formal investigation is underway.
If your business engages contractors, labour hire, or subcontractors, it’s especially important that your paperwork reflects reality. A well-drafted Contractors Agreement can help clarify responsibilities, site rules, reporting expectations, and safety requirements - which can be critical if WorkSafe later asks, “Who was actually controlling the work?”
WorkSafe And Your Workforce: Employees, Contractors, And “Everyone Else”
HSWA duties don’t just stop at employees. They can extend to:
- contractors and subcontractors;
- labour hire workers;
- apprentices and trainees;
- volunteers (in some cases);
- customers and visitors who may be put at risk by the work.
Where multiple businesses operate together (for example, a principal and subcontractors on a job site), HSWA also includes overlapping duties and expectations of consultation, cooperation, and coordination.
If you use labour hire or supply workers to clients, your contractual setup matters. This is one reason businesses often formalise arrangements through a Labour Hire Agreement so health and safety responsibilities are clear and practical.
What Enforcement Action Can WorkSafe Take (Notices, Prosecutions, And Penalties)?
WorkSafe’s most significant powers are its enforcement tools - because those can directly affect whether you can keep operating, what you must fix, and (in serious cases) whether your business faces prosecution.
Improvement Notices
An improvement notice is typically used where an inspector believes there is a breach (or likely breach) of HSWA. The notice will require you to remedy the issue within a certain timeframe.
For small businesses, an improvement notice can be a wake-up call - but it’s also an opportunity to get things back on track before something worse happens.
If you receive an improvement notice, you’ll usually want to:
- review it carefully and diarise the deadline;
- gather evidence of what you’re doing to comply;
- fix the underlying system issue (not just the surface-level symptom);
- get advice if any part is unclear or seems unworkable.
Prohibition Notices (Stop Work)
A prohibition notice is more urgent. It can be issued where an inspector believes an activity is occurring (or likely to occur) that involves a serious risk to health and safety.
This type of notice can require you to stop the activity immediately until the risk is addressed.
For example, this could involve unsafe machinery use, untrained operators, unsafe work at heights, serious electrical hazards, or a dangerous worksite setup.
Investigations And Prosecutions
In more serious cases - particularly after a notifiable event (serious injury, illness, or death) - WorkSafe may investigate with a view to prosecution.
Prosecutions under HSWA can apply to:
- a PCBU (your business entity);
- individual officers (like directors) where due diligence obligations are relevant;
- workers and other individuals in certain circumstances.
Penalties can be significant and may include large fines. Beyond that, there can be reputational damage, insurance impacts, and disruption to operations.
This is why it’s worth investing early in having clear employment documentation and expectations. For example, having a properly drafted Employment Contract helps set out lawful expectations around duties, training, policies, and safe ways of working (and helps you enforce your rules consistently).
How Can You Prepare For A WorkSafe Visit (Practical Steps For Small Businesses)?
The best way to deal with WorkSafe is to be ready before they arrive. That doesn’t mean having perfect paperwork - it means having sensible systems that match how your business actually operates.
1. Make Sure Your Health And Safety System Is Real (Not Just A Folder)
WorkSafe typically wants to see that you’ve identified risks and that you actively manage them. Depending on your industry, this might mean:
- a hazard/risk register that is reviewed regularly;
- safe operating procedures for higher-risk tasks;
- PPE requirements and evidence people use it;
- maintenance schedules and logs for equipment;
- incident reporting that leads to follow-up actions.
2. Train Your Team On What To Do If An Inspector Turns Up
Your staff don’t need to know the law inside out - but they should know the basics:
- who to contact internally;
- where key documents are kept;
- that they should be polite and cooperative;
- that it’s okay to say “I’m not sure” rather than guessing.
3. Get Clear On Contractors And Shared Worksites
If you use contractors, make sure you’re not relying on vague assumptions like “they handle their own safety”. Under HSWA, responsibilities can overlap, and WorkSafe may look at what control and influence you actually had.
Good contractor onboarding usually includes:
- site induction and rules;
- proof of competency and licensing where relevant;
- clear reporting lines for incidents and hazards;
- contract terms that reflect who supplies equipment, who supervises, and who manages the work method.
4. Be Careful With Workplace Monitoring And Privacy
Sometimes businesses respond to safety concerns by adding cameras, tracking tools, or monitoring systems. That can help manage risk - but you still need to respect privacy and have the right policies in place.
If you’re considering cameras for security or safety, it’s worth understanding workplace cameras obligations and how to communicate monitoring to staff appropriately.
5. Have A “Notifiable Event” Plan
If a serious incident happens, time matters. You should know:
- who is responsible for contacting emergency services;
- how to notify WorkSafe (and when);
- how to preserve the site (where required) while still ensuring safety;
- how to record what happened, including witness details.
It can feel like a lot - but the goal is simple: protect people first, then protect your business by responding lawfully and consistently.
Key Takeaways
- WorkSafe New Zealand powers come mainly from the Health and Safety at Work Act 2015, and they’re designed to prevent harm and enforce compliance.
- WorkSafe inspectors can generally enter workplaces and may inspect, photograph, test, and require certain areas or items to be left undisturbed in appropriate situations (with stricter limits applying to entry into private dwellings).
- WorkSafe can request (and in some circumstances formally require) documents, information, and answers, including records relating to training, incidents, equipment maintenance, and contractor management.
- WorkSafe can issue improvement notices to require problems to be fixed and prohibition notices to stop unsafe work immediately.
- In serious cases, WorkSafe can investigate and prosecute, with significant penalties possible for businesses and (in some situations) officers.
- The best way to reduce risk is to have practical safety systems, clear documentation, and contracts/policies that match how your business actually runs.
If you’d like help getting your workplace documents and processes right - or if you’ve had contact from WorkSafe and you’re not sure what to do next - you can reach us at 0800 002 184 or team@sprintlaw.co.nz for a free, no-obligations chat.
