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 employ staff in New Zealand, a minimum wage increase isn't just "something to note" in the news cycle - it's a compliance deadline that can quickly ripple into payroll, rosters, employment agreements, and even your pricing.
For small businesses, the challenge is usually not willingness to comply. It's time. You're already juggling customers, cashflow, and staffing - and it's easy to miss the practical steps needed to stay on the right side of employment law.
In this guide, we'll walk you through what a minimum wage increase means for your business, what to check (and update) straight away, and how to reduce the risk of wage and holiday pay issues down the track. This article is general information only and isn't legal advice.
What Does A Minimum Wage Increase Mean For Employers?
In simple terms, when the minimum wage goes up, you must ensure every employee is paid at least the new minimum rate for every hour worked, from the date the new rate applies.
That sounds straightforward, but in practice the minimum wage increase can affect more than you might expect, including:
- Base hourly rates for any employee currently on (or near) the previous minimum wage.
- Salaried employees whose salary, when averaged across hours worked, may fall below minimum wage.
- Employees paid by output (for example, piece rates or productivity-based pay) if their average hourly earnings drop below the minimum.
- Deductions or arrangements (like uniforms or equipment) that may raise underpayment or compliance issues if they aren't properly agreed to in writing or are structured in a way that leaves you effectively failing to pay at least the minimum wage for hours worked.
- Payroll settings (especially if you have multiple pay rates, allowances, or different worker categories).
Most importantly: you can't "wait until the next pay review." If the new rate has kicked in, your payroll must comply from that point.
If you're unsure whether your employment documents and pay setup are still fit for purpose, it's often worth reviewing your Employment Contract approach, especially if you've been relying on older templates or informal arrangements.
Which Minimum Wages Might Apply?
New Zealand minimum wage rules can involve different categories (depending on the government settings at the time), such as:
- Adult minimum wage (the most common).
- Starting-out wage and/or training wage (only for employees who meet specific criteria).
If you're applying a "starting-out" or "training" rate, it's crucial you're confident the employee actually qualifies and that you're tracking when they stop qualifying. If they don't (or no longer) qualify, you could be underpaying - even if it was an honest mistake.
How Do You Check If You're Compliant After A Minimum Wage Increase?
The best way to handle a minimum wage increase is to treat it like a mini-audit. You're not just looking for the obvious "one employee on minimum wage" - you're checking all pay arrangements that could accidentally fall below the required rate.
Here's a practical compliance checklist you can work through.
1. Audit Every Role And Pay Arrangement
Start by identifying:
- all employees paid hourly (including part-timers and employees with irregular shifts),
- all employees paid salary,
- any employees with variable hours (where pay can be harder to average), and
- any allowances or deductions that might affect wage calculations.
Be particularly careful with:
- trial periods and new hires (it's easy to copy old pay rates into a new agreement),
- youth/starting-out rates applied past the qualifying period, and
- "all-inclusive" pay arrangements (where an allowance is bundled into one figure).
2. Sanity-Check Salaries Against Hours Worked
If someone is on a salary, you still need to ensure the salary works out to at least minimum wage for all hours worked.
This is a common trap for small businesses, because salary arrangements often assume a "standard week" - but real life can involve:
- regular overtime,
- peak-season hours,
- on-call time (depending on how it's structured), and
- additional duties creeping into the role.
If you've got salaried staff who work long or variable hours, it may be worth tightening up how ordinary hours are defined and how extra hours are handled in the contract. If you offer time off instead of payment for additional hours, make sure it's clearly documented, agreed, applied consistently, and doesn't cut across minimum wage compliance or statutory leave and public holiday entitlements (for example, public holidays have their own "alternative holiday" rules). If your policies cover time off in lieu, make sure they align with your legal obligations and are documented consistently (for example, within a Staff Handbook or written workplace policy set).
3. Check Payroll Settings And Pay Codes
Even if you've decided to increase wages correctly, payroll errors can still happen if your system hasn't been updated properly.
As part of your minimum wage increase process, check:
- the base hourly rate field for each employee,
- different pay codes (ordinary hours vs training shifts vs weekend rates),
- public holiday pay rules and calculations, and
- any manual overrides (which can get forgotten next pay cycle).
If you use timesheets, make sure managers understand that approving timesheets is effectively approving pay - and that incorrect approvals can create underpayment risk.
4. Review Any "Deductions" Arrangements
Some businesses have deductions for things like uniforms, equipment, or staff purchases. Deductions can be lawful in some cases, but they must be handled carefully (including having the right written authorisations) and should not be used in a way that results in you effectively not meeting minimum wage obligations for hours worked.
If you're using deductions, ensure you have clear written agreement and that the arrangement is fair and compliant. If you're not sure, getting advice early is far cheaper than fixing a wage dispute later.
Do You Need To Update Employment Agreements When The Minimum Wage Increases?
Not always - but often, yes.
If your employment agreements already say something like "you will be paid at least the applicable minimum wage," then you may not need to amend the agreement just to reflect the new number.
However, plenty of agreements state a specific hourly rate. In that case, if that rate is now below the new minimum wage, you'll need to increase it.
Even if the contract doesn't strictly need updating, many employers choose to confirm the change in writing so there's a clear paper trail. That can be especially helpful if there's any confusion later (for example, if an employee queries backpay, holiday pay, or time records).
Be Careful If You're "Changing Terms" Beyond Pay
A minimum wage increase can also prompt businesses to revisit staffing costs more broadly - like adjusting rosters, reducing hours, changing shift structures, or removing allowances. That's where you need to slow down and get the process right.
If you want to change working hours or patterns, you generally can't do it unilaterally unless your employment agreement clearly allows it (and even then, you need to act fairly and reasonably). If you're considering roster changes to manage costs, it's worth reading up on the risks around reducing staff hours and getting advice before implementing changes.
In some cases, employers consider restructuring or redundancies after a minimum wage increase. If that's on your radar, make sure you follow a compliant consultation process and have proper documentation. For support with the process and paperwork, redundancy advice can help you understand your obligations and reduce your risk.
How Does A Minimum Wage Increase Affect Leave, Holiday Pay, And Other Entitlements?
This is where things can get tricky - because wage compliance isn't only about the hourly rate on a normal day.
When the minimum wage increases, you should also consider how it interacts with:
- annual holidays (holiday pay calculations can involve average weekly earnings or ordinary weekly pay),
- public holidays (paid at "relevant daily pay" or average daily pay),
- sick leave (paid at relevant daily pay / average daily pay), and
- termination pay (final pay including outstanding annual holidays and entitlements).
If you've ever felt like holiday pay calculations are harder than they should be - you're not alone. Many NZ businesses discover issues when they do a payroll audit or when a dispute arises.
Don't Accidentally Underpay Someone On Leave
One common mistake after a minimum wage increase is updating the "ordinary hours rate" but leaving older settings in place for:
- leave pay calculations,
- allowances that should apply during leave (depending on how the allowance is treated and paid in practice), or
- payroll rules for employees whose hours vary week to week.
Because the Holidays Act framework can be complex - and because the correct rate for leave can depend on earnings patterns, not just the new hourly rate - it's worth having your payroll process checked if you've changed pay rates, roles, or working patterns recently.
What About Contractors, Casuals, And "Gig-Style" Workers?
A minimum wage increase applies to employees. It doesn't automatically apply to genuine independent contractors.
But (and it's a big but): if you treat someone like a contractor when they are really an employee, a minimum wage increase can become a major risk area - because you may owe backpay, leave entitlements, and other employee rights.
So if you've got people working regularly in your business and you're not 100% sure about the classification, it's a good time to review your arrangements and ensure your documentation reflects reality. Getting your agreements right from day one matters here - whether that's an employment agreement or a contractor agreement.
Also, be careful with the term "casual". New Zealand employment law doesn't create a one-size-fits-all "casual employee" category in the way some other countries do. People you call "casual" may still be permanent employees with variable hours, and they'll still have minimum wage rights. Their holiday and leave entitlements depend on the nature of the work pattern and how the Holidays Act applies (including whether "pay-as-you-go" 8% holiday pay is actually available and correctly agreed). If you engage staff on an irregular basis, you may want to sanity-check leave and pay setups with guidance on casual workers? leave entitlements.
Practical Steps To Manage The Cost Impact (Without Creating Legal Risk)
It's completely normal for small businesses to feel the squeeze when there's a minimum wage increase. Labour costs are one of the biggest line items for many industries (hospitality, retail, construction, cleaning, caregiving - the list goes on).
The key is to respond in a way that's commercially sensible and legally compliant.
Set A "Minimum Wage Increase" Process In Your Business
Instead of reacting each time, build a repeatable process you can run annually:
- Diary the change date and set reminders 4?6 weeks ahead.
- Run a payroll report showing all pay rates and total hours worked.
- Update pay rates and confirm changes in writing where appropriate.
- Check budgets and pricing (and communicate changes internally so managers roster accordingly).
- Document decisions so you can show how you complied if questions come up later.
Be Careful With "Offsetting" Changes
Sometimes businesses consider "balancing out" a minimum wage increase by:
- reducing paid breaks (this can be risky - check your contractual commitments and legal obligations before making changes),
- cutting allowances,
- reducing hours without agreement, or
- changing commission structures without consultation.
Even if your intention is to keep the business viable, changes that reduce an employee's overall position can trigger disputes if they aren't handled fairly and in line with the employment agreement.
If you're thinking about changing duties, hours, or pay structures (beyond simply lifting rates to meet the new minimum wage), it's worth getting advice early - especially if you don't already have consistently drafted contracts and policies across the team.
Consider Whether Your Employment Paperwork Still Fits Your Business
A minimum wage increase is often the moment employers realise their documents have drifted out of date - for example:
- pay rates aren't clearly recorded,
- hours of work are vague,
- overtime expectations are unclear,
- there's no clear process for roster changes, or
- termination notice provisions don't match how the business actually operates.
Having a solid set of employment documents doesn't just help with compliance - it helps with communication, expectations, and smoother management when your business is busy.
Key Takeaways
- A minimum wage increase means you must ensure every employee is paid at least the new minimum rate from the date it takes effect, including for all hours worked.
- Don't only check hourly staff - salaried employees, variable-hour workers, and output-based pay arrangements can also accidentally fall below minimum wage.
- After a minimum wage increase, run a quick compliance audit: update pay rates, check payroll settings, and confirm leave/public holiday calculations still work correctly.
- You may need to update written terms (or at least confirm changes in writing) if the contract states a specific pay rate that's now below the minimum.
- If you're considering roster changes, reduced hours, or restructuring to manage higher wage costs, make sure you follow a fair and legally compliant process.
- Misclassifying workers as contractors (when they're really employees) can create serious backpay and entitlement risk when minimum wage rates rise.
If you'd like help reviewing your employment contracts, pay arrangements, or workplace policies to stay compliant after a minimum wage increase, you can reach us at 0800 002 184 or team@sprintlaw.co.nz for a free, no-obligations chat.
