If you've spent the better part of two decades building a specialist trade business — managing licensed staff, navigating WorkSafe audits, chasing retentions, and developing client relationships that took years to earn — you already know this isn't a generic construction company. But when it comes time to think about an exit, most owners discover that the market doesn't automatically recognise what they've built.
This article is for owners who are thinking quietly about what comes next. Not ready to call a broker. Just trying to understand the landscape before making any decisions.
What Makes a Specialist Trade Subcontractor Different — and Why It Matters for Sale
Not all construction businesses look the same to a buyer. A general builder is one thing. A specialist trade subcontractor — scaffolding, demolition, LBP-licensed roofing, fire protection, concrete cutting, industrial painting, post-tensioning — is something else entirely.
The difference isn't just about what you do. It's about what it takes to do it legally, competently, and at scale.
A scaffolding company employing certificated scaffolders with NZQA Certificates of Competence cannot be replaced by a general labour hire firm. A WorkSafe Class A asbestos licence cannot be acquired without a formal application, documented systems, and qualified supervisors in place. A roofing business whose LBPs carry out Restricted Building Work under the Building Act 2004 cannot be replicated by a carpenter who's never held an LBP licence.
These aren't bureaucratic technicalities. They are genuine structural barriers to entry — and buyers who understand the space pay a premium for businesses that sit behind them.
The client base matters too. Specialist trade subcontractors with industrial and commercial clients typically have longer project relationships, more stable forward workbooks, and less exposure to the volatility of the residential market. A business that takes three years and a WorkSafe application to replicate from scratch is structurally valuable.
The NZ Regulatory Framework That Protects Your Business — and Your Valuation
New Zealand's regulatory environment for specialist trade work is dense, well-enforced, and increasingly consequential in a business sale.
Building Act 2004 and the LBP scheme (MBIE): Restricted Building Work — including roofing, cladding, and structural work — must legally be carried out or supervised by a Licensed Building Practitioner. This is a hard entry barrier. A new market entrant cannot simply hire experienced tradespeople and start doing RBW. For a roofing or cladding business with a stable team of LBPs, this is a meaningful moat.
Health and Safety at Work Act 2015 and WorkSafe NZ: Scaffolding above five metres requires certificated scaffolders holding NZQA Certificates of Competence. The training pipeline is long. The MBIE Construction Sector Accord (2019) explicitly acknowledged a skills shortage in licensed trades — certificated staff are scarce and becoming more so. A business with 10 or 15 CoC holders on the payroll is sitting on a genuinely scarce asset.
Health and Safety at Work (Asbestos) Regulations 2016: A WorkSafe Class A licence for asbestos removal places a business in one of the most regulated — and most protected — niches in NZ construction. Very few operators hold it. That scarcity creates a real moat.
NZS 4512:2021 and NZS 4541:2013 for fire protection: Installation and maintenance of fire suppression systems requires demonstrable competency under these standards. The field of credible NZ operators is small, and buyer demand is real.
Construction Contracts Act 2002 (amended 2015): The retention money trust requirements mean that buyers will closely scrutinise your retention account records. Clean records here prevent last-minute price adjustments or conditions in the final days before settlement.
Your certifications, your team's competencies, and your WorkSafe compliance record are not just the cost of doing business. In a sale process, they are value drivers.
How Specialist Trade Businesses Are Valued — And What Usually Surprises Owners
Most specialist trade business owners have a number in their head anchored to revenue. The first conversation with anyone who understands business valuation tends to reframe this.
The primary valuation method is an EBIT multiple — applied to earnings before interest and tax, after normalisation. For quality businesses in this category, that multiple typically falls in the range of 3.5x to 5.5x.
A business with $720K EBIT at the midpoint is worth approximately $2.5M–$4M before adjustments — not $4.8M in revenue. This isn't bad news; it's useful information owners need before starting any process.
Normalisation adjustments buyers make:
- Owner's salary above or below market rate — the difference adds back to EBIT
- Personal expenses run through the business — vehicles, fuel, phones, other owner-related costs
- One-off projects versus recurring maintenance revenue — large one-off contracts are discounted; maintenance retainers carry more weight
- Non-recurring costs — legal fees, equipment write-offs, anomalies in the P&L
Value drivers that push the multiple toward the upper end: maintenance contracts alongside project work; certifications held at entity level rather than by named individuals; client relationships not dependent solely on the owner's personal presence; depth in the leadership team; geographic or sector diversification.
Under the Construction Contracts Act, retention account records will be reviewed carefully. Clean records here protect the sale price you've negotiated.
Who Is Buying Specialist Trade Businesses in NZ Right Now?
The buyer landscape has changed materially over the past five years.
Trade consolidators are acquiring businesses to add capacity, geographic coverage, or specialist capability. Deals typically involve a rebrand into the acquirer's group and integration of systems. Culture fit can be variable.
Private equity typically holds for three to five years, then on-sells. PE can pay well, but deal structures often include earn-outs tied to performance metrics you no longer fully control.
Owner-operator buyers — individuals buying to run the business themselves — are culturally aligned but constrained by capital. For a $3M+ business, most individuals can't fund an unassisted purchase.
Permanent capital acquirers are patient, long-term holders who have no intention of on-selling. They retain the existing team and brand, apply light-touch governance, and hold indefinitely. This category is now active in New Zealand.
Buyer type matters as much as headline price. An earn-out attached to a trade consolidator deal may look attractive on paper but require you to stay for three years under someone else's systems. A lower headline offer from a permanent capital buyer, with a clean exit and your team protected, may represent a better outcome in practice.
What Permanent Capital Buyers Look for in a Trade Business
Permanent capital acquirers have a specific profile they're looking for.
Stable, owner-independent EBIT. Not a business that depends on the founder's personal relationships or technical involvement to generate revenue.
A leadership team that holds client relationships and technical knowledge. Working foremen, senior estimators, operations managers with genuine standing with clients and staff.
Certifications held at entity level. Licences, registrations, and approvals that belong to the business — not to named individuals who could leave.
Recurring or semi-recurring revenue. Maintenance retainers, multi-year service agreements, preferred-supplier arrangements.
A clean compliance record. WorkSafe audit history, incident register, no outstanding enforcement actions.
Swedish acquirers like Lifco and Addtech have built multi-billion-dollar portfolios by applying this logic across hundreds of specialist industrial businesses — buy a niche operator, keep management in place, hold indefinitely. NZ owners now have access to this type of buyer.
PermaTech's acquisition of Tubman Heating Limited is a local proof point. The founder exited on agreed terms. The business continues under its existing team, with its brand intact and its clients undisrupted.
Preparing Your Trade Business for Sale — Practical Steps
If you're 12 to 36 months from a sale, this checklist is where to start:
- ☐ Three years of clean financials with normalised EBIT — owner salary and personal expenses documented and removed
- ☐ Certifications and licences held at entity level where possible; individual-held ones identified with a written succession plan
- ☐ NZQA CoC register for all certificated staff — who holds what, when issued, CPD status
- ☐ WorkSafe compliance documentation current — SSSPs, incident register, audit history all in order
- ☐ Asbestos Class A licence documentation (if applicable) current and held at entity level
- ☐ Retention account records clean under the Construction Contracts Act — three years of trust account statements
- ☐ Written contracts for top 5 clients — not just verbal or purchase-order relationships
- ☐ Equipment register with maintenance records
- ☐ Operations procedures documented — not held informally in foremen's heads
- ☐ Independent business valuation commissioned before approaching any buyer
Most specialist trade owners who get good outcomes say the same thing: they started preparing earlier than they thought they needed to. If you're running a scaffolding, roofing, demolition, or specialist trade business in NZ and you're thinking seriously about what comes next, PermaTech is happy to have a confidential, no-obligation conversation — no broker required, at your pace.