A shareholder agreement is a cornerstone document for any company in Australia. It establishes the rights, responsibilities, and obligations of shareholders, providing a clear framework for governance and dispute resolution. Whether you are starting a new business or managing an established company, understanding the essentials of shareholder agreements is critical to ensuring compliance, protecting shareholder interests, and fostering long-term stability.
In this guide, our M&A lawyers explore the key components, legal requirements, and best practices for drafting a shareholder agreement in Australia.
Key Takeaways
- A shareholder agreement defines the rights and obligations of shareholders and provides governance mechanisms.
- It must comply with the Corporations Act 2001 (Cth) and other relevant Australian laws.
- Tailoring the agreement to the specific needs of the company is essential.
- Regular reviews and updates ensure the agreement remains effective and compliant.
- Dispute resolution mechanisms, confidentiality clauses, and exit strategies are critical components.

What is a Shareholder Agreement?
A shareholders agreement is a private contract between the shareholders of a company. Unlike a company constitution, which is a public document lodged with ASIC, a shareholder agreement is confidential and tailored to the specific needs of the shareholders.
This document is not mandatory under Australian law but is highly recommended to avoid disputes and provide clarity on governance and operational matters.
Note: Shareholders Agreements are not the same as Phantom Share Options, which deal with incentive-based equity schemes.
Key Components of a Shareholder Agreement
1. Shareholder Rights and Obligations
This section outlines:
- Voting rights
- Dividend entitlements
- Access to company information
- Obligations such as confidentiality and non-compete clauses
Clearly defining these rights and obligations helps prevent misunderstandings and ensures all shareholders are on the same page.
2. Governance and Management
Effective governance is crucial for a company’s success. The agreement should address:
- The composition and powers of the board of directors
- Decision-making processes for day-to-day operations and strategic matters
- The role of management in implementing decisions
Directors must also understand their responsibilities under Australian law, including their general duties to act in good faith and in the best interests of the company – learn more about general director duties in our article.
3. Share Transfer Provisions
Control over share transfers is vital to maintaining the integrity of the company. Common provisions include:
- Rights of First Refusal: Existing shareholders have the first opportunity to purchase shares before they are offered to external parties
- Tag-Along Rights: Minority shareholders can sell their shares if a majority shareholder sells theirs
- Drag-Along Rights: Majority shareholders can compel minority shareholders to sell their shares in certain circumstances
Provision | Purpose |
Rights of First Refusal | Protects existing shareholders by giving them priority in share purchases |
Tag-Along Rights | Ensures minority shareholders can exit alongside majority shareholders |
Drag-Along Rights | Allows majority shareholders to enforce a sale of the entire company |
4. Resolving Shareholder Disputes Effectively
Disputes among shareholders can disrupt business operations and lead to costly litigation. A well-drafted shareholder agreement should include clear dispute resolution mechanisms, such as:
- Mediation: A neutral third party helps shareholders reach a mutually acceptable solution
- Arbitration: A binding decision is made by an independent arbitrator, avoiding lengthy court proceedings
- Deadlock Resolution Clauses: Specify procedures for resolving deadlocks in decision-making, such as appointing an independent expert or triggering a buyout clause
5. Confidentiality and Non-Disclosure
Protecting sensitive company information is essential. Confidentiality clauses prevent shareholders from disclosing proprietary or confidential information to third parties.
6. Exit Strategy
An exit strategy ensures a smooth transition when a shareholder decides to leave the company. This may include:
- Buy-sell agreements
- Valuation methods for determining the price of shares
- Triggering events such as insolvency or incapacity
Before entering into a shareholders agreement, it’s important to ensure the company is solvent and financially sound – read more about insolvent trading in Australia to understand the risks.

Legal Requirements for Shareholder Agreements in Australia
1. Compliance with the Corporations Act 2001 (Cth)
The agreement must not contravene mandatory provisions of the Corporations Act, such as directors’ duties and shareholder rights.
2. Fiduciary Duties
Directors and officers must act in good faith and in the best interests of the company, even if governed by a shareholder agreement.
3. Enforceability
To ensure enforceability:
- Draft the agreement clearly and unambiguously
- Ensure compliance with contract law principles
- Periodically review the agreement to reflect changes in law or business circumstances
Best Practices for Drafting a Shareholder Agreement
1. Tailor the Agreement to Your Needs
Avoid generic templates. Customise the agreement to address the unique challenges and goals of your company.
If your shareholders agreement is being drafted during a sale or merger, it’s essential to protect your business during the acquisition process by identifying legal risks early and negotiating strong terms.
2. Regularly Review and Update the Agreement
Laws, business environments, and shareholder compositions change over time. Regular reviews ensure the agreement remains relevant and effective.
3. Seek Professional Advice
Engage legal and financial professionals to draft or review the agreement. Their expertise can help identify potential risks and ensure compliance with Australian law.
Ambiguous or poorly drafted clauses in a shareholders agreement can create serious legal issues – understanding unenforceable contract terms is key to ensuring your agreement holds up in practice.
4. Maintain Clear Communication
Transparent communication among shareholders about the terms of the agreement fosters trust and alignment of interests.
5. Keep Comprehensive Records
Document all meetings, resolutions, and amendments related to the shareholder agreement to support transparency and accountability.
We understand these laws and can ensure that the shareholder agreement complies with all the legal requirements. This includes ensuring that the agreement adheres to laws governing corporate governance, shareholder rights, and contract law.
Frequently Asked Questions
What is the difference between a shareholder agreement and a company constitution?
A shareholder agreement is a private contract between shareholders, while a company constitution is a public document lodged with ASIC that governs the internal management of the company.
Can a shareholder agreement override the Corporations Act?
No, a shareholder agreement cannot override mandatory provisions of the Corporations Act 2001 (Cth). It must comply with all relevant laws.
When should a shareholders agreement be prepared and signed?
It is highly recommended that a shareholders agreement is prepared and signed either:
- at the outset of a relationship between would-be shareholders and before any joint business plans or enterprise is commenced, or
- in the case of an existing company, before shares are either issued, sold or transferred to a third party/unrelated owner.
What happens if an employee shareholder leaves the company?
If an employee shareholder stops working for the company, the shareholders agreement will typically provide that his or her shares must be sold back to the company. The price paid by the company for those shares typically depends on whether the employee is a ‘good leaver’ or a ‘bad leaver’.
Generally, a good leaver will be paid the fair market value for their shares. Bad leavers might receive only a nominal amount, as low as $1 per share.
Can shareholders manage the company directly?
A shareholder can help run the company by choosing directors for the board. A shareholder’s right to appoint directors is provided for in the shareholders agreement. The shareholders agreement also sets out how the board operates, including when and how the board will meet and who must be present when it does.
Some individuals may be subject to director obligations without formally holding the title – explore what constitutes a shadow director and why it matters for liability.
How can shareholders amend a shareholders agreement?
Shareholders can amend a shareholder agreement by mutual consent, following the procedures outlined in the agreement itself. It’s crucial to document any amendments in writing and ensure compliance with legal requirements.
When new shareholders are coming on board, or during a merger or acquisition, it’s critical to know how to do legal due diligence effectively to avoid costly surprises.
Are minority shareholders protected by default?
Yes, a well-drafted shareholder agreement can include provisions to protect the rights and interests of minority shareholders, such as veto rights, tag-along rights, or anti-dilution provisions.
What happens if a shareholder breaches the agreement?
If a shareholder breaches the terms of the agreement, the aggrieved parties may seek legal remedies, such as specific performance, damages, or injunctive relief, to enforce the agreement and protect their interests.


