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.
- Overview
FAQs
- Is a simple shareholders agreement legally binding in New Zealand?
- Do all shareholders need to sign the agreement?
- What is the difference between a constitution and a shareholders agreement?
- Can a shareholders agreement stop a founder from selling shares to anyone they want?
- When should a company put a shareholders agreement in place?
- Key Takeaways
A simple shareholders agreement can save a lot of pain later. Many New Zealand founders split shares early, rely on a handshake, then realise too late that they never agreed on who can make big decisions, what happens if someone wants out, or how to deal with a shareholder who stops contributing. Another common mistake is copying a generic template that does not match the company’s actual structure or cap table. Founders also get caught when they assume the Companies Act rules will cover everything, when in practice those default rules often leave major commercial questions unanswered.
This guide explains what a simple shareholders agreement should include, when a startup or SME should put one in place, and the legal issues to check before you sign. It also covers the mistakes that cause disputes, delays in raising capital, and awkward conversations when the business starts growing faster than the paperwork.
Overview
A shareholders agreement is a private contract between some or all of a company’s shareholders, and often the company itself, that sets rules for ownership, decision-making, exits and disputes. A simple shareholders agreement is usually enough for many early stage businesses, but it still needs to deal clearly with the situations founders actually face.
The strongest agreements usually line up with the company constitution, the share register and the commercial reality of who is putting in money, time or intellectual property.
- Who the parties are, and which shares the agreement covers
- How decisions are made, including day to day matters and reserved matters
- What each founder or investor is expected to contribute
- Rules for issuing new shares and raising capital
- Pre-emptive rights, share transfers and exit processes
- What happens if someone leaves, dies, becomes disabled or breaches the agreement
- Dividend policy and whether profits will be reinvested
- Director appointment and removal rights
- Confidentiality, restraint and protection of business assets
- Dispute resolution and deadlock procedures
Why UK Businesses Use Shareholders’ Agreements
New Zealand businesses use shareholders agreements because default company law does not answer every practical founder question. The agreement fills those gaps before a disagreement becomes expensive.
The heading may sound broader than the local context, but the commercial reasons are the same for New Zealand companies. When there is more than one shareholder, people want certainty about control, money and exits.
To set the ground rules early
Founders often agree in principle on ownership percentages, then leave the details for later. That is where trouble starts. A simple shareholders agreement records what was actually agreed before memories drift and expectations change.
This matters most when one founder contributes capital, another contributes sweat equity, and a third brings clients or key know-how. If those contributions are not spelled out, disputes can flare up quickly when the business gets traction.
To protect minority and majority shareholders
A good agreement balances power. Majority shareholders often want certainty that the company can make decisions efficiently. Minority shareholders usually want protection from being diluted, shut out of information, or forced into unfair outcomes.
The agreement can set thresholds for important decisions, such as:
- issuing new shares
- borrowing above a set limit
- selling key business assets
- changing the nature of the business
- appointing or removing directors
- approving unusually large related-party transactions
Without those rules, shareholders can end up arguing about whether a board decision was enough, whether unanimous approval was expected, or whether one group pushed through a change that should have needed wider support.
To manage exits before emotions take over
The best time to agree an exit process is before anyone wants to leave. Once someone has fallen out, lost interest, or received an outside offer, commercial logic often disappears.
A shareholders agreement usually deals with:
- whether shares must first be offered to existing shareholders
- how shares are valued
- whether a departing founder loses some unvested equity
- what happens after death, incapacity or insolvency
- whether the remaining owners can force a sale in limited circumstances
This is where founders often get caught. They assume everyone will be reasonable later, but later is usually when interests stop aligning.
To make future investment easier
Investors, lenders and buyers tend to ask for the key company documents early in a deal. If the shareholder arrangements are unclear, the transaction becomes slower and riskier.
A simple shareholders agreement can make due diligence cleaner because it shows:
- who owns what
- what rights attach to those shares
- whether any consents are needed for a transfer or new issue
- who controls major decisions
- whether there are any unusual veto rights or restrictions
That clarity can matter just as much as the legal drafting itself.
Legal Issues To Check Before You Sign
Before you sign a contract that will govern ownership and control, make sure the agreement matches the company’s actual legal position. The biggest risk is not what the document says in isolation, it is what happens when it conflicts with your constitution, share register, employment arrangements or founder expectations.
Does it match the constitution?
If your company has a constitution, the shareholders agreement should be checked against it. Those documents often overlap on director powers, share issues, transfer rules and voting thresholds.
Conflicts create uncertainty. In some cases the constitution may bind all shareholders in one way, while the agreement says something different between the parties. That can produce messy arguments about which rule applies in practice and whether someone has breached one document while technically complying with the other.
Before you sign, confirm:
- whether the company has a constitution
- whether all shareholders are party to the agreement
- whether any constitution amendments are needed
- whether the share rights in the agreement match the legal share classes on issue
Who is actually signing?
The parties matter. Sometimes only founders sign. Sometimes investors, the company itself and key holding entities also sign. If a person or entity with real influence is left out, the agreement may not achieve what everyone expects.
This often comes up where shares are held through a family trust, an investment vehicle or a nominee arrangement. The registered holder, beneficial owner and person making decisions might not be the same person. The drafting should reflect the real structure.
Are founder contributions stated clearly?
If equity has been allocated because someone is expected to work in the business, introduce customers, contribute intellectual property or invest money over time, those conditions should be explicit. Otherwise, one person may think the shares were earned on day one, while another thinks the shares were conditional.
For early stage companies, it may be sensible to cover:
- vesting schedules
- milestones tied to equity
- what counts as a full time commitment
- what happens if someone leaves early
- whether unpaid loans or expenses are repayable separately from share ownership
How are major decisions approved?
An agreement should separate ordinary business decisions from reserved matters. If every decision needs unanimity, the company can grind to a halt. If too few things need shareholder approval, minority owners can lose meaningful protection.
Reserved matters often include:
- issuing shares or options
- changing share rights
- borrowing above an agreed threshold
- selling the business or major assets
- entering unusual long term commitments
- changing the business plan in a significant way
- declaring dividends
- approving related party transactions
The right list depends on the size and maturity of the company. A simple shareholders agreement can still be tailored without becoming long or overly technical.
What are the transfer rules?
Share transfer clauses are often the heart of the document. They determine who can join the ownership group and how someone can leave.
Points to check include:
- pre-emptive rights, meaning existing shareholders get first refusal
- permitted transfers, such as to related entities or family trusts
- drag-along rights, allowing majority holders to require others to sell in a company sale
- tag-along rights, allowing minority holders to join a sale by majority holders
- valuation mechanisms if the price is disputed
- restrictions on transfers to competitors
These clauses can materially affect bargaining power. Before you sign, make sure the transfer rules feel commercially fair in both good and bad scenarios.
How will deadlocks and disputes be handled?
A deadlock clause is not just for businesses in trouble. It is a practical way to stop a 50:50 company from freezing when the owners disagree on something important.
Common mechanisms include escalation, mediation, buy-sell processes, or a right for one party to offer to buy the other out. The right approach depends on the ownership split, the value of the company and whether the business can function during a dispute.
A dispute clause should also set out:
- how notices must be given
- whether negotiation is required first
- whether mediation is mandatory before court action
- which law and forum apply
Does it deal with confidential information and restraint?
Most shareholders will learn sensitive information about the company. Confidentiality clauses help protect customer lists, pricing, product plans and financial information.
Some agreements also include restraint clauses, such as limited non-compete or non-solicitation obligations. These need careful drafting. If they are too broad, they may be difficult to enforce. If they are too narrow, they may not protect the business when a founder leaves.
Where founders are also employees or contractors, those obligations should line up with the relevant employment agreement or contractor agreement.
Common Shareholders’ Agreement Mistakes
Most shareholder disputes do not come from rare legal edge cases. They come from ordinary business situations that nobody documented properly.
Using a generic template without tailoring it
A simple shareholders agreement should be simple in structure, not simplistic in content. Generic precedents often miss the details that matter, such as actual ownership percentages, founder roles, future investment plans and what happens if one founder stops working in the business.
A common problem is language that refers to rights or procedures the company does not actually have. For example, a template might assume multiple share classes, an existing board structure, or a valuation process that is unrealistic for a small private company.
Ignoring bad scenario planning
Founders usually focus on growth, not separation. But the agreement needs to work when relationships are strained.
The clauses that deserve the most attention are often:
- departure of a founder
- long term illness or incapacity
- failure to contribute agreed time or money
- serious misconduct
- fundraising that dilutes existing owners
- an offer to buy the business
If those scenarios are left vague, commercial pressure fills the gap, and that is rarely where people feel treated fairly.
Leaving vesting out of founder arrangements
Equal share splits can look fair on day one and feel deeply unfair six months later. If one founder leaves early but keeps a large stake, the remaining team may end up doing all the work while sharing future upside with someone no longer involved.
Vesting provisions can help. They allow shares to be earned over time or repurchased in certain leaving events. This can be especially useful before the business has stable revenue or before each founder’s role is fully proven.
Not aligning the agreement with other documents
Your shareholders agreement does not sit on its own. It should work with:
- the company constitution
- Companies Office records
- share subscription documents
- employee or contractor agreements for working founders
- intellectual property assignments
- loan agreements between founders and the company
Misalignment causes avoidable disputes. For example, a founder may think their shares are conditional, while the subscription documents say they were issued outright. Or the agreement may assume IP belongs to the company, while no assignment has actually been signed.
Forgetting practical administration
An agreement only helps if people can follow it. Businesses often forget to update share registers, record board approvals, issue share certificates where relevant, or get all necessary signatures.
Even simple steps matter. If a transfer process requires a notice, board approval and deed of accession for a new shareholder, missing one of those steps can create uncertainty later.
Making minority protections too weak or too strong
This is a balancing exercise. Weak minority rights can expose smaller shareholders to unfair dilution or exclusion. Rights that are too strong can make routine business decisions impossible.
A practical agreement usually protects minority holders on genuinely significant matters, while allowing management to run the company without constant shareholder approvals.
FAQs
Is a simple shareholders agreement legally binding in New Zealand?
Yes, if it is properly drafted and signed, a shareholders agreement is generally enforceable as a contract. It should also be checked against the company constitution and other company records so the documents work together.
Do all shareholders need to sign the agreement?
Not always, but it is usually better if all shareholders who should be bound are party to it. If someone with ownership or control sits outside the document, the agreement may be harder to apply in practice.
What is the difference between a constitution and a shareholders agreement?
A constitution is a formal company governance document. A shareholders agreement is a private contract that can go into more detail about commercial arrangements between shareholders, including exits, reserved matters and dispute processes.
Can a shareholders agreement stop a founder from selling shares to anyone they want?
Yes, it can restrict transfers and require shares to be offered to existing shareholders first. It can also set rules around valuation, consent rights and sales to competitors or outsiders.
When should a company put a shareholders agreement in place?
Ideally, before you sign investment documents, issue shares to multiple founders, or rely on verbal promises about ownership and control. It is much easier to agree the rules early than after value has built up or relationships have changed.
Key Takeaways
- A simple shareholders agreement helps New Zealand founders and SMEs set clear rules on ownership, control, funding, exits and disputes.
- The agreement should match the company constitution, share structure, Companies Office records and any founder employment, contractor or IP documents.
- Key clauses usually cover reserved matters, transfer rights, pre-emptive rights, vesting, director appointments, confidentiality, restraint and deadlock resolution.
- The main risks come from generic templates, vague founder expectations, missing exit rules and poor alignment between legal documents.
- The best time to negotiate the hard points is before you sign, before the business grows, and before anyone wants to leave.
If you want help with founder equity terms, transfer rights, deadlock clauses, constitution alignment, or a contract review, you can reach us on 0800 002 184 or team@sprintlaw.co.nz for a free, no-obligations chat.







