By Greg Allan, tradesman and creator of Data First Coaching
Why do fencing businesses get caught out on registration and licensing?
Most fencers do not get tripped up by one big rule. They get tripped up by a few small ones that sit in different places: Inland Revenue, the Companies Office, ACC, WorkSafe, the local council. A fencer who has only ever worked off memory, from the last pool fence job or the last dividing fence argument between neighbours, can easily miss a step that was never a problem until a council inspector or an insurer asked for it.
A business that started as one person with a trailer, an auger and a ute full of steel posts often grows without anyone sitting down to check what changed. The crew gets bigger, the jobs get bigger, from a few boundary fence panels to rural fencing runs and pool fence installs, but the paperwork underneath stays exactly as it was on day one. That gap is where most of the risk sits.
What registration does a fencing business actually need in New Zealand?
A fencer first needs to decide on a structure, sole trader, partnership or company, because that decision drives everything else. A sole trader does not need to register the business with a government agency and only needs to tell Inland Revenue they have started working for themselves. A company is different: it must be registered with the Companies Office, known as incorporating a company, and it automatically gets an NZ Business Number.
Sole traders, partnerships and trusts can also get an NZBN for free through the NZBN register, and most fencers find it worth holding one even before they take on staff, since suppliers and councils increasingly ask for it on materials accounts and consent applications.
Do fencers need a building consent for fences, gates and pool fencing?
Most standard boundary fence and paling fence work does not need a building consent, but pool fencing almost always does, and that difference matters to how you quote the job. Building.govt.nz says a building consent is usually not required for fences or hoardings up to a height set out in Schedule 1 of the Building Act 2004, under what the Act calls exemption 21, but the page is also clear that fences to swimming pools sit outside that exemption altogether.
Building.govt.nz says plainly that a building consent is required for installing a pool fence, even if the fencer builds it themselves, and that barriers are later checked by the local council. The Licensed Building Practitioners guidance adds that this applies under the Building Act 2004 and its later amendments for residential pool barriers, and that a pool fence will generally need a consent even where the pool itself does not. For a fencer quoting a glass fence or a gate around a new pool, that consent step belongs in the quote and the job timeline, not treated as an afterthought once the footings are already in.
What about GST, ACC and taking on a labourer or apprentice?
GST registration becomes compulsory once a fencing business passes the turnover threshold that Inland Revenue sets, whether you are a sole trader, a contractor, in partnership or a company, so it pays to check the current figure on that page rather than work from an old number. As a sole trader, a fencer automatically gets ACC personal injury cover, but still needs to register and set up a MyACC business account to pay the levies on that cover, as business.govt.nz explains.
Once a fencer wants to take on staff, permanent, fixed-term or casual, business.govt.nz says they may need to register as an employer with Inland Revenue. This is where a data first view of your own job and pay records matters more than memory: GST and payroll decisions made on last quarter's feeling are often made on an old picture, while an AI agent, software that does a job the way you would, with your prices, wording and rules, can hold that record job by job as the work comes in, so nothing is reconstructed at the end of the quarter.
What health and safety duties apply when a fencing crew is on site?
A fencing business, like any other, is a PCBU under the Health and Safety at Work Act 2015 and carries what WorkSafe calls the primary duty of care: to ensure, so far as is reasonably practicable, the health and safety of workers, and that other people are not put at risk by the work, whether that is digging post holes near a neighbour's driveway or running a chain mesh fence along a rural boundary.
WorkSafe also sets out further duties for what it calls upstream PCBUs, covering those who install, construct or commission structures, which can apply to a fencer putting in a retaining wall, a steel post run or a pool fence that later gets relied on as a safety barrier. Keeping a simple, current record of who did what on which site is not just good practice, it is the record a PCBU is expected to be able to produce. An AI agent can keep that site record in the background, filed against the job as it happens, so it is there if WorkSafe or an insurer ever asks, instead of being pieced together afterwards from memory.
This is general information, not legal, tax or employment advice. Check your own situation with the body named here or a qualified adviser.
Where can you check the current rules?
- Fences and hoardings exemption, when standard fencing work does and does not need a building consent.
- Becoming a sole trader, registering with Inland Revenue and ACC cover for sole traders.
- Introduction to the Health and Safety at Work Act 2015, a PCBU's primary duty of care and upstream duties.
- Starting a company, incorporating with the Companies Office and the NZBN.
- Registering with government agencies, NZBN registration and registering as an employer.
- Building consent requirements for swimming pool fencing, why pool barriers generally need a consent.
- Fence first, fun follows, pool fence consent and council inspection obligations.
- GST, who must register for GST and when.
How does Data First Coaching approach this?
Data First Coaching starts from the fencing business's own numbers rather than an explanation of the business, using the Trade Business Intelligence to read the owner's job and finance data alongside years of coaching trade businesses. For a question like registration and compliance, that means looking at what the job and pay records actually show, which jobs carried a pool fence or a consent step, which took on casual labour, before deciding where the real gap sits. Greg Allan built this from running his own trade business, and the how, the systems that keep those records job by job, is worked through inside the Academy, with members, because the Trade Business Intelligence is powered by every member for every member, and that is why who joins matters.

