Legal Documents to Review Before Buying a Business in New Zealand

Alex Solo
byAlex Solo12 min read

Buying a business can look straightforward until the paperwork starts revealing what you are really taking on. Many buyers focus on the purchase price, skim the sale agreement, or assume the seller's verbal promises will be enough. That is where expensive problems tend to start. Hidden lease issues, missing employee records, unclear ownership of assets, and contracts that cannot be transferred can all change the value of the deal overnight.

The right documentation when buying a business helps you test whether the business is worth buying, what risks come with it, and what protections you need before you sign a contract. It also helps you work out whether you are buying shares in a company or buying the business assets only, which can lead to very different legal outcomes. This guide explains the main documents to review, why each one matters in New Zealand, and where buyers often get caught.

Overview

The paperwork behind a business sale tells you what the business owns, what it owes, what promises it has made, and what legal risks may pass to you after settlement. A careful contract review gives you leverage during negotiations and helps you avoid paying for value that is not really there.

  • The sale and purchase agreement, including warranties, restraints, conditions, and settlement terms
  • Company records, if you are buying shares rather than only assets
  • Financial records and key commercial contracts
  • Lease documents, supplier agreements, and customer contracts
  • Employee records, contractor arrangements, and workplace obligations
  • Intellectual property documents, including trade marks, domains, and software rights
  • Privacy, marketing, and consumer law compliance records
  • Regulatory licences, permits, and industry-specific approvals
  • Evidence of security interests, guarantees, and other liabilities
  • Disclosure documents and due diligence responses from the seller

What Documentation When Buying a Business Means For New Zealand Businesses

In New Zealand, the documents you review are not just background paperwork. They define what you are buying, what obligations come with it, and what recourse you may have if the seller's statements turn out to be wrong.

A business purchase is usually structured in one of two ways. You either buy the shares in the company that owns the business, or you buy selected assets and business operations from that company or sole trader. The difference matters because a share purchase usually means you step into the existing company, with its contracts, history, and potential liabilities. An asset purchase can be narrower, but only if the documents clearly state what is included and what is excluded.

The sale and purchase agreement

The main contract is the centre of the deal. This is where buyers often focus only on price, but the legal detail often matters more. The agreement should clearly identify the parties, the business being sold, the assets included, and anything excluded from the sale.

You should also look closely at clauses dealing with:

  • deposit amounts and when they become non-refundable
  • conditions, such as finance, landlord consent, or due diligence
  • warranties and seller promises about the business
  • indemnities for specific known risks
  • stock valuation and stocktake procedures
  • restraint of trade obligations on the seller
  • employee transfer arrangements
  • apportionment of rent, outgoings, and other costs at settlement
  • what happens if a key contract cannot be assigned
  • dispute resolution and termination rights

This is also where buyers should check whether the agreement is conditional on satisfactory due diligence. Without a properly drafted due diligence condition, you may have limited ability to walk away if something serious turns up after signing.

Share purchase documents versus asset purchase documents

The core review changes depending on the deal structure. If you are buying shares, you need to review the company's constitution, Companies Office filings, shareholder resolutions, share register, and any shareholders agreement. These documents show whether the shares exist as described, whether anyone else has rights over them, and whether there are restrictions on transfer.

If you are buying assets, the agreement needs to list those assets with enough precision to avoid later argument. That can include plant, equipment, stock, business name rights, domain names, customer databases, social media accounts, and goodwill. If the list is vague, you may assume something is included when legally it is not.

Commercial contracts and revenue documents

A business can look profitable on paper but still be fragile if its key contracts are weak or non-transferable. Before you spend money on setup or commit to settlement, review the contracts that actually generate revenue and keep the operation running.

That usually includes:

  • major customer contracts and service agreements
  • supplier contracts and terms of trade
  • franchise agreements, if relevant
  • equipment leases and finance arrangements
  • software subscriptions and technology licences
  • outsourcing or logistics contracts
  • website terms, app terms, and ecommerce platform arrangements

The main questions are practical. Can the contract be assigned to you. Does it end automatically on a change of control. Is there a minimum purchase obligation. Are margins likely to change after the seller exits. This is where founders often get caught, especially when one or two major customers account for most of the business value.

Property and lease documents

If the business operates from leased premises, the lease can be one of the most important documents in the file. A strong location may be central to the business value, but that value can fall away if there is no right to stay in the premises.

Review the lease, any deed of renewal, rent review records, variation documents, and landlord correspondence. Check:

  • the term remaining on the lease and any rights of renewal
  • whether landlord consent is needed for assignment
  • rent, outgoings, and any hidden occupancy costs
  • make good obligations at the end of the lease
  • use restrictions that affect how you operate
  • whether there are any existing breaches or arrears

If the seller owns the premises and will lease them to you after settlement, the proposed new lease needs careful commercial lease review as part of the purchase process, not later.

Employees, contractors, and workplace records

Staff can be one of the most valuable parts of a business purchase, but employee documentation is often incomplete. The legal position can differ depending on the sale structure and the type of employees involved, so you need to understand what obligations may carry over.

Review:

  • employment contracts and agreements for all staff
  • independent contractor agreements
  • job descriptions and remuneration records
  • holiday and leave records
  • bonus, commission, and incentive arrangements
  • disciplinary, grievance, or restructuring issues
  • health and safety policies and incident records

Do not assume everyone described as a contractor is properly classified. If a key worker has really been treated like an employee, that can create unexpected obligations. It is also worth checking whether any key staff are likely to leave after the sale, especially if customer relationships are tied closely to particular people.

Intellectual property and brand assets

Many small businesses trade heavily on branding, content, software, or know-how, but ownership is often less tidy than expected. You need evidence that the seller actually owns the brand and intellectual property it is selling.

Relevant documentation may include:

  • trade mark registrations and applications
  • business name and trading name records
  • domain name registrations
  • copyright assignments for logos, website copy, photos, and design work
  • software development agreements
  • licence agreements for third-party content or systems
  • confidentiality agreements and restraint clauses with staff or contractors

If the website, branding, or core software was built by a freelancer without a proper assignment, the business may not fully own what it uses every day. That is a common issue in digital businesses and ecommerce operations.

Compliance and risk documents

Goodwill can disappear quickly if the business has been operating outside the rules. Documentation should show whether the business has been meeting its legal obligations under the Privacy Act 2020, Fair Trading Act 1986, consumer law obligations, and any industry-specific requirements.

Depending on the business, you may need to review:

  • privacy policy and data handling procedures
  • customer terms and conditions
  • refund and returns policies
  • marketing claims and advertising materials
  • licences, permits, and local council approvals
  • product compliance records or safety documentation
  • complaint registers and regulator correspondence

For online businesses, this review should also cover how customer data has been collected, whether proper disclosures were made, and whether marketing practices could create Fair Trading Act risk.

When This Issue Comes Up

The need to review business sale documents comes up much earlier than many buyers expect. You should start before you sign a contract, not after the deal feels locked in.

The first pressure point is often the heads of agreement or offer stage. Even if that document is expressed as non-binding, some provisions may still have legal effect, such as confidentiality or exclusivity. It is worth checking what you are committing to before negotiations become expensive.

The next stage is when the seller gives you an information pack. This is usually where buyers start forming assumptions about turnover, assets, staff, and growth potential. Treat that material as sales material until the underlying documents support it.

Documentation review also becomes critical when:

  • the seller says key contracts will transfer easily
  • the business relies on a lease or prime location
  • there are long-serving employees or family members working in the business
  • the business sells online and holds customer data
  • the value depends heavily on branding, software, recipes, designs, or other intangible assets
  • you are buying shares in an existing company rather than selected assets only
  • the deal includes vendor finance, earn-out payments, or deferred settlement amounts

Another common moment is when a bank or financier asks for transaction documents. Finance approval may depend on the structure of the deal, the security position, and the quality of the business records. If the paperwork is messy, funding can slow down or fall over.

This issue also comes up after settlement, often in the worst way. Buyers discover that customer contracts were not assignable, leased equipment was not owned by the seller, or employee records were incomplete. At that stage, your options depend heavily on what the contract says and what documents were reviewed before signing.

Practical Steps And Common Mistakes

The safest approach is to treat the document review as a business risk exercise, not just a legal formality. Good due diligence helps you decide whether to proceed, renegotiate, ask for protections, or walk away.

Start with a tailored document request list

Ask for a clear set of documents early. A generic request list often misses the issues that matter most in the target business. A software company, hospitality venue, online retailer, and service business all raise different risks.

Your request list might cover:

  • sale draft and disclosure materials
  • company records and ownership documents
  • financial statements and major liabilities
  • customer, supplier, and finance contracts
  • lease and property papers
  • employment and contractor records
  • intellectual property records
  • privacy and consumer-facing documents
  • licences, permits, and regulator correspondence
  • insurance schedules and claims history

If the seller resists providing basic documents, treat that as useful information. It may point to poor record keeping, unresolved disputes, or a mismatch between the asking price and the real quality of the business.

Match the documents to the value drivers

Focus first on what makes this business worth buying. If the value is in recurring customers, test the customer contracts. If the value is in the location, test the lease. If the value is in a recognised brand, test trade mark ownership and rights to digital assets.

Many buyers waste time reviewing minor paperwork while overlooking the few documents that actually support the purchase price.

A seller cannot always hand over contracts, leases, licences, or software accounts just because the sale agreement says so. Some rights need the consent of a landlord, supplier, franchisor, regulator, or technology provider.

Before you sign, identify every item that may require consent or a fresh agreement. Then make sure the sale contract deals with what happens if consent is delayed or refused.

Use warranties and indemnities properly

Warranties are seller statements about the business. Indemnities are stronger protections for identified risks. Both matter, but they should not be treated as interchangeable.

For example, if you know there is a dispute with a supplier or uncertainty around a software ownership issue, a specific indemnity may be more useful than a broad general warranty. The drafting matters, especially around time limits, claim caps, and notice requirements.

Do not rely on verbal explanations

If a seller says a customer is loyal, a lease issue is nearly resolved, or a contractor created all work on a work-for-hire basis, ask for the document trail. Oral comments can help explain the business, but they should not replace written evidence.

If something is commercially important, it should be documented in the contract, the disclosure process, or the due diligence papers.

Common mistakes buyers make

Some mistakes come up again and again in small and mid-sized business purchases:

  • signing before due diligence rights are properly documented
  • focusing on turnover instead of contract quality and margin sustainability
  • assuming all assets used in the business are owned by the seller
  • forgetting to check the Personal Property Securities Register position and other security interests
  • treating a share purchase like a simple asset handover
  • ignoring privacy compliance in customer-data heavy businesses
  • failing to confirm whether staff will transfer, stay, or need new agreements
  • leaving lease consent until just before settlement
  • not checking whether a trade mark is registered in New Zealand or owned by the right entity

Another mistake is trying to solve legal uncertainty with a price discount alone. A lower price does not always fix a risk that could shut down operations after settlement.

Plan the handover documents

The legal paperwork does not end with signing the main sale agreement. Settlement usually needs a handover set, which may include assignment documents, board or shareholder approvals, IP assignments, stocktake records, employee communications, restraint deeds, and new customer or supplier notices.

If these are left to the last minute, settlement delays are common. A practical closing checklist can save a lot of stress in the final week.

FAQs

What documents should I review first when buying a business?

Start with the sale and purchase agreement, the lease, key customer and supplier contracts, employee agreements, and proof of ownership for major assets and intellectual property. If it is a share purchase, add company records and shareholder documents immediately.

Is buying shares riskier than buying business assets?

It can be. A share purchase often means taking over the existing company with its past liabilities and legal history. An asset purchase can limit what you assume, but only if the contract clearly excludes liabilities and properly transfers the assets you need.

Often yes, if the business premises are leased and the lease is being assigned. The lease documents should be checked early so consent timing does not hold up settlement.

How do I know whether the seller really owns the brand and website?

Ask for trade mark records, domain registration details, copyright assignments, and any developer or designer agreements. If external contractors created branding or software without written IP assignments, ownership may be unclear.

Should I sign first and do due diligence later?

Only if the contract gives you a well-drafted due diligence condition and enough time to investigate properly. Without that protection, finding a problem later may not let you exit the deal without cost.

Key Takeaways

  • The right documentation when buying a business shows what you are actually buying, what liabilities may come with it, and whether the price reflects reality.
  • The sale and purchase agreement is only one part of the picture. You also need to review contracts, leases, employee records, company documents, IP records, and compliance materials.
  • Share purchases and asset purchases create different legal risks, so the document review should match the deal structure.
  • Third-party consents, especially from landlords and contract counterparties, can be deal-critical and should be identified before you sign.
  • Written evidence matters more than verbal assurances. If a point affects value or risk, make sure it appears in the documents and the contract protections.
  • A careful due diligence process can help you renegotiate terms, seek indemnities, delay settlement, or decide not to proceed.

If your business is dealing with documentation when buying a business and wants help with sale and purchase agreements, due diligence reviews, lease and contract checks, intellectual property transfers, you can reach us on 0800 002 184 or team@sprintlaw.co.nz for a free, no-obligations chat.

Alex Solo
Alex SoloCo-Founder

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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