Service Agreement vs Employment Agreement: Key Differences In NZ

If you’re bringing someone into your business to help you grow, one of the first (and biggest) legal decisions is whether they’re working for you as an employee or providing services to you as a contractor.

It can feel like semantics, but the “service agreement vs employment agreement” question has real consequences for your costs, your compliance obligations, your IP ownership, your tax and ACC settings, and how easily you can end the working relationship if things don’t go to plan.

Below, we’ll walk through the key differences in plain English, highlight common traps we see small businesses fall into, and explain what you can do to get set up properly from day one.

What Is A Service Agreement (Contractor Agreement)?

A service agreement is a contract where an individual (or sometimes another business) agrees to provide services to your business, usually as an independent contractor.

In practical terms, contractors are typically:

• engaged for a specific project, deliverable, or specialised skill set
• paid on an hourly rate, day rate, fixed fee, or milestone basis
• responsible for their own tax obligations (depending on how they’re structured)
• more independent in how and when they complete the work (within reason)

If you’re engaging someone as a contractor, a tailored Service Agreement is one of the main documents that sets out what you’re paying for, what “done” looks like, and how risk is allocated if something goes wrong.

Many NZ businesses use contractors for web development, marketing, bookkeeping, design work, trades, IT support, and short-term growth periods where you’re not ready (or able) to hire an employee yet.

What Is An Employment Agreement?

An employment agreement is a contract between you (as the employer) and your employee, where the employee agrees to work under your direction in exchange for wages or salary.

Employees generally:

• work in your business (not just for your business)
• are integrated into your team and operations
• have set hours or rosters, or at least expected availability
• use your tools/systems and follow your policies and processes
• are entitled to statutory minimum rights (like leave and breaks) under NZ employment law

Even if you’re only hiring someone part-time or casually, you still need the relationship documented correctly. That usually means an Employment Contract that reflects how the role actually works day-to-day.

For small business owners, the main benefit of getting the employment agreement right is clarity: everyone understands pay, hours, expectations, performance processes, confidentiality, and what happens if the relationship ends.

Service Agreement vs Employment Agreement: The Key Legal Differences That Matter

When you’re deciding between a contractor and an employee, it’s tempting to focus on price and flexibility.

But legally, the difference is about the true nature (or “real nature”) of the relationship. In NZ, decision-makers look at the reality of how the work is done day-to-day, not just what the contract calls the arrangement. That assessment often involves looking at factors like control, integration into the business, whether the person is operating their own business, and the overall “economic reality” of the relationship.

Here are the main areas where the difference shows up for NZ businesses.

1) Control And Independence

Employees typically work under your control. You can usually direct:

• what work is done and in what order
• how work is performed (methods, systems, procedures)
• when work is done (set hours, rostered shifts)

Contractors should have more independence. You can set the scope and deliverables, but they’re often free to decide how they deliver the work, and may work for multiple clients at once.

If you’re telling someone to show up at certain times, wear your uniform, follow your internal processes, and report to your managers daily, that starts to look a lot like employment.

2) Payment Structure And Ongoing Entitlements

Employees are paid wages/salary and are generally entitled to minimum employment rights, which can include:

• annual holidays
• sick leave
• public holidays (where applicable)
• rest and meal breaks

Contractors are not automatically entitled to employee leave benefits. Their payment is generally governed by the service agreement: for example, you might pay by milestone, per hour, or as a fixed monthly retainer.

This is one reason getting the classification right matters. If someone is really an employee but is treated like a contractor, you can end up with claims relating to unpaid entitlements and other obligations.

3) Tax, PAYE, And ACC Settings

With employees, you’ll usually be responsible for payroll processes like PAYE deductions and other employer obligations.

With contractors, the contractor will often manage their own tax affairs (for example, invoicing you and paying their own income tax). That said, tax treatment can vary depending on the type of contractor and the arrangement (including whether any withholding rules apply), so it’s important to confirm the correct setup for your business.

This is also where the service agreement vs employment agreement decision can become a compliance issue, not just a contract issue. If you get the classification wrong, you may also end up with payroll-related exposure.

Important: This article is general information and isn’t tax or ACC advice. Because tax and ACC settings can be fact-specific, it’s a smart idea to get advice early from your accountant and/or check guidance from IRD and ACC, especially if you’re engaging contractors regularly.

4) Tools, Equipment, And Expenses

Employees generally use your equipment, work from your site (or under your remote-work setup), and are reimbursed for authorised business expenses.

Contractors often supply their own tools and equipment, and price their services to cover their own costs (unless the agreement says otherwise).

A practical rule of thumb: if the worker can’t realistically do the job without your systems, logins, tools, and supervision, the relationship may be closer to employment.

5) Ability To Subcontract Or Delegate Work

Employees usually can’t “send someone else” to do their job.

Contractors may be able to subcontract or delegate parts of the work (depending on the agreement), especially where they’re operating as an actual independent business.

If you need the work done by a particular person (because of their skills, training, or trust), that can indicate employment. If you’re buying an outcome and the provider can decide who does the work, that can indicate contracting.

6) Restraints, Confidentiality, And Client Ownership

Both types of agreement should deal with confidentiality and protecting your business relationships, but the way it’s drafted often differs.

For example, contractor relationships usually need extra clarity around:

• who owns work product and deliverables
• whether the contractor can reuse templates, tools, or background IP
• who “owns” the client relationship during and after the engagement
• what information must be kept confidential

Where relevant, it can also make sense to include a Confidentiality Clause (or a separate NDA) so your commercial information, pricing, and systems are protected.

If you need the contractor not to compete or poach clients in a way that could harm your business, you may also need carefully drafted restraint terms. These need to be reasonable and tailored - one-size-fits-all restraints are a common source of disputes.

Why Getting The Classification Wrong Can Create Risk For Your Business

One of the biggest risks we see is when a business calls someone a “contractor” because it feels easier, but the working relationship operates like employment.

This can happen innocently, especially when you’re scaling quickly. You might start with a contractor for flexibility, but over time they become embedded in your team, take on fixed hours, and effectively fill an employee role.

If that happens, the label in the contract isn’t the only thing that matters. In a dispute, the real-world arrangement will be closely examined.

From a practical small business perspective, misclassification can lead to headaches like:

• unexpected costs (for example, claims for unpaid minimum entitlements)
• disputes about termination and notice expectations
• confusion over IP ownership (especially for creative/tech work)
• reputational damage and loss of trust if the engagement ends badly

None of this is to say you shouldn’t use contractors - plenty of businesses use them successfully. The key is to align the contract and the day-to-day reality.

When Should You Use A Service Agreement, And When Should You Use An Employment Agreement?

There isn’t a one-size-fits-all answer, but there are some practical indicators that can help you decide what’s likely to fit your needs.

Service Agreements Often Suit When You:

• need specialised expertise for a specific project (for example, building a website, running a campaign, implementing a system)
• need flexibility in resourcing without adding a long-term role
• are engaging a provider who services multiple clients and runs their own business
• want to pay by deliverable or milestone rather than by time worked

In these cases, a well-drafted service agreement helps you lock in scope, deadlines, quality standards, and IP ownership - without accidentally creating an employment-style arrangement.

Employment Agreements Often Suit When You:

• need someone embedded in your day-to-day operations
• need set hours, rostering, or consistent weekly availability
• need close direction, training, and supervision
• are hiring for an ongoing role (even if it starts small)

If you’re hiring your first team member, it’s also worth thinking about your broader employment setup (policies, confidentiality, disputes, and processes). A good employment contract is a strong starting point, but it should be consistent with how you actually run your workplace.

If you’re not sure which way to go, it’s usually easier (and cheaper) to get advice upfront than to “fix” a misclassified arrangement later.

What Should Your Agreement Include To Protect Your Business?

Once you’ve chosen the right engagement model, the next step is making sure the contract is doing real work for you - not just sitting in a drawer.

Here are clauses we commonly recommend considering (the exact mix depends on your business and the role).

Key Clauses In A Service Agreement

• Scope of services: what the contractor will do (and what’s out of scope)
• Deliverables and deadlines: what you will receive and by when
• Fees and invoicing: rates, milestones, payment timeframes, late payment rules
• IP ownership: who owns the deliverables and when ownership transfers
• Confidentiality: protecting your sensitive information and systems
• Liability and indemnities: risk allocation if something goes wrong
• Termination: when and how either party can end the arrangement

Even if you’re engaging someone you trust, writing these points down avoids misunderstandings later (especially once money, deadlines, and clients are involved).

Key Clauses In An Employment Agreement

• Role and duties: position description, reporting lines, flexibility to change duties reasonably
• Hours and place of work: rostered hours, remote work expectations, availability
• Pay: wages/salary, payment frequency, deductions (where lawful), review processes
• Leave and entitlements: consistent with NZ minimum standards
• Confidentiality: protecting business information during and after employment
• Company policies: making sure your policies apply and can be updated
• Termination and notice: notice periods and process expectations

It’s also common for growing businesses to use additional documents alongside the employment agreement, depending on your setup. For example, if you’re building incentive structures for key hires, you might explore an Employee Share Scheme or other tailored arrangements.

And if you’re engaging contractors or employees who will handle customer information, you’ll often need a compliant Privacy Policy and internal privacy processes to match.

Key Takeaways

• The “service agreement vs employment agreement” decision affects your costs, compliance obligations, flexibility, and risk exposure - it’s worth getting right early.
• A service agreement is typically for independent contractors delivering defined services or outcomes, usually with more control over how they work.
• An employment agreement is for employees working under your direction and integrated into your business, with minimum legal rights and entitlements.
• If the day-to-day relationship looks like employment, calling the person a contractor won’t necessarily protect your business.
• Strong contracts should clearly cover scope, payment, confidentiality, IP ownership, and termination - and they should reflect what actually happens in practice.
• If you’re unsure which agreement fits your situation, getting tailored legal advice early can save you time, cost, and disputes later.

If you’d like help choosing between a service agreement and an employment agreement (or having the right document drafted for your business), you can reach us at 0800 002 184 or team@sprintlaw.co.nz for a free, no-obligations chat.