Launching a commercial enterprise with a co-founder, trusted colleague, or business partner is one of the most exciting ways to build wealth in Western Australia. In the early days, energy is high, goals are aligned, and both founders are fully invested in driving revenue.

Because simplicity is prized at the beginning, the majority of two-founder companies in Australia default to a familiar equity split: 50 percent each.

On paper, a 50/50 ownership structure appears fair, equitable, and collaborative. In practice, without a comprehensive Shareholders Agreement in place, an equal equity split is one of the most dangerous corporate governance traps in Australian business.

When two equal shareholders disagree on a fundamental strategic decision, capital investment, or the future direction of the company, neither party holds a majority vote. The result is total corporate paralysis: a deadlock.

Here is why standard company constitutions fail to protect co-founders, and how a tailored Shareholders Agreement protects your commercial investment before friction arises.

1. The Flaw of Relying on the Corporations Act and Standard Constitutions

Many business owners believe that incorporating a company through ASIC and adopting a standard off-the-shelf company constitution provides all the governance rules they need.

This is a dangerous misconception.

Standard company constitutions and the Replaceable Rules under the Corporations Act 2001 (Cth) are blunt instruments designed for basic corporate administration. They dictate how notices of meetings are served and how proxy votes are recorded, but they do not provide workable mechanisms to resolve commercial disagreements between equal owners.

Under standard rules:

  • Board decisions require a majority vote. In a two-director company, if one director votes yes and the other votes no, the motion fails.
  • Shareholder resolutions require either an ordinary majority (over 50 percent) or a special resolution (75 percent). A 50/50 split means neither owner can pass a resolution over the other’s objection.

When a deadlock occurs over operational issues, such as approving annual budgets, hiring key executives, distributing profits, or raising capital, the business freezes. If the dispute escalates, the only legal remedy available under corporate law is often an application to the Supreme Court of Western Australia for an order to wind up the company on “just and equitable” grounds or an action for shareholder oppression.

Litigating a shareholder dispute in the Supreme Court can rapidly drain hundreds of thousands of dollars in legal fees, destroy customer confidence, and decimate company valuation.

2. Breaking Deadlocks Without Going to Court

A well-drafted Shareholders Agreement provides practical, pre-agreed contractual roadmaps to break deadlocks quietly and commercially, without resorting to courtroom litigation.

Effective deadlock-breaking mechanisms include:

  • Structured Escalation Protocols: Requiring the partners to submit the dispute to confidential, rapid mediation with an independent commercial mediator in Perth before any legal action can be initiated.
  • Casting Vote or Chairman Mechanisms: Granting an independent advisory board member or non-executive chairman a casting vote on specific operational matters.
  • Buy-Sell Mechanisms: Contractual provisions that allow one partner to exit cleanly. Under mechanisms such as a Shotgun or Russian Roulette clause, one shareholder offers to purchase the other partner’s shares at a specified price. The receiving partner then has the choice to either accept the buyout offer or turn around and acquire the initiating partner’s shares at that exact same valuation. This ensures the initiating party sets a fair, defensible price.

3. The “Good Leaver” vs “Bad Leaver” Framework

What happens when a co-founder loses interest, takes an extended leave of absence, or simply stops pulling their weight while continuing to collect equity dividends? Worse still, what happens if a partner commits serious misconduct, breaches their director duties, or attempts to launch a competing enterprise?

Without a Shareholders Agreement, you cannot easily force an underperforming or rogue shareholder to surrender their equity. They remain a legal owner entitled to financial reporting, statutory dividends, and capital distributions.

A robust agreement establishes clear Leaver Provisions:

  • Good Leaver: An owner who exits due to retirement, agreed redundancy, ill health, or permanent incapacity. Good leavers are typically entitled to have their shares purchased at Fair Market Value.
  • Bad Leaver: An owner who is terminated for cause, commits serious misconduct, breaches restrictive covenants, or voluntarily resigns within an agreed minimum commitment period. Bad leavers often face contractual penalties, such as forfeiting their unvested shares or having their equity acquired at a heavy discount to fair value.

3. Protecting Capital: Pre-emptive Rights and Transfer Restrictions

In any private SME, you should always have control over who shares the cap table with you.

Imagine waking up to discover that your business partner has sold their 50 percent stake to an aggressive competitor, or that their shares have been transferred to an estranged spouse as part of family court proceedings.

A Shareholders Agreement prevents unwanted third parties from entering the business through:

  • Pre-emptive Rights on Transfer: Ensuring that if any shareholder wishes to sell or exit their shares, they must first offer those shares to the existing shareholders at an agreed valuation before offering them to external buyers.
  • Prohibitions on Encumbrances: Preventing shareholders from using their shares in the company as security or collateral for personal debts without unanimous board consent.
  • Permitted Transfers: Allowing shares to be transferred between family trusts or corporate holding entities for tax planning purposes without triggering full pre-emptive purchase rights.

4. Tag-Along and Drag-Along Rights for Future Exits

When the time comes to sell the enterprise to an institutional buyer, competitor, or private equity group, having multiple shareholders with differing life goals can sink a lucrative transaction.

A tailored agreement provides two critical exit tools:

  • Drag-Along Rights: If a genuine third-party buyer offers to purchase 100 percent of the company and a super-majority of shareholders (for example, 75 percent or 80 percent) wish to accept, the majority owners can drag the remaining minority shareholders along on the exact same terms. This prevents a stubborn minority owner from holding the entire sale hostage.
  • Tag-Along Rights: Conversely, if a majority owner negotiates an attractive buyout for their controlling stake, minority shareholders have the right to tag along on identical commercial terms, ensuring they are not left behind under unfamiliar new ownership.

Where to Start

If you are operating a multi-owner business without a Shareholders Agreement, or if your current agreement has not been reviewed since your company was founded, that is a conversation we have with business owners every day.

At Aesir Legal & Advisory, we work with Perth small and medium business owners to put the corporate governance foundations in place that protect commercial relationships, prevent deadlock paralysis, and preserve enterprise value.

It is far simpler and more cost-effective to agree on the rules of engagement while everyone is on good terms than to attempt to negotiate during a dispute.

Book a free consultation and we will review your current governance structure to give you a clear picture of where your risks lie and what needs attention.

Sakhawat Kabir (Sakhi) is the Principal of Aesir Legal & Advisory and the General Counsel and Executive for Carey Group Holdings, one of WA’s top 100 private businesses. He has nearly 20 years of experience in corporate law and commercial leadership across Australia and internationally.

Sakhawat Kabir (Sakhi) is the Principal of Aesir Legal & Advisory and the General Counsel and Executive for Carey Group Holdings, one of WA's top 100 private businesses. He has nearly 20 years of experience in corporate law and commercial leadership across Australia and internationally.

This article is general information only and does not constitute legal advice. For advice specific to your situation, please contact us directly.