Information Centre · Family Law
Business Interests and Divorce: How Businesses Are Treated in Property Settlements
How private companies, partnerships, trusts and professional practices are treated in Australian family law property settlements — valuation, goodwill, disclosure and the strategic choices that protect a business during separation.

A privately owned business is often the single most valuable asset in a separating couple's property pool — and it is almost always the most difficult to value, divide or preserve. Whether the business is a husband-and-wife partnership, a family company controlled through a discretionary trust, a professional practice or a minority shareholding in a larger enterprise, the property settlement must accommodate it without destroying its value.
This article explains how the Federal Circuit and Family Court of Australia approaches business interests in property settlements, the valuation methodologies that apply, the treatment of trusts and goodwill, the duty of disclosure and the practical steps business owners can take to protect a business during separation.
How Businesses Are Treated in Family Law
The Court's task under the Family Law Act 1975 (Cth) is to achieve a property settlement that is just and equitable between the parties. The four-step approach is well known: identify the pool, assess contributions, consider future needs and stand back to test the overall result. A business sits squarely within the property pool to the extent it has value attributable to a party.
How that value is brought into the pool depends on the structure. A sole-trader business is simply included at its net value. A company is included at the value of the shares held by a party. A partnership is included at the value of the party's partnership interest. A trust may be included as property where the party effectively controls it, or treated as a financial resource where their interest is more indirect.
What Types of Business Structures Are Common?
Most disputes involve one of the following structures:
- Sole trader — straightforward to value, but goodwill questions still arise.
- Partnerships — including husband-and-wife partnerships and professional partnerships, governed by a partnership agreement and the Partnership Act.
- Proprietary limited companies — often family-owned with two or three shareholders.
- Discretionary (family) trusts — frequently used to hold a trading business, investments or both, with a corporate trustee.
- Unit trusts and hybrid structures — common in joint-venture and professional practice arrangements.
- Self-managed superannuation funds — not strictly business structures but frequently entangled with the family company through related-party arrangements.
Business Valuation
Valuation is usually undertaken by a single expert appointed jointly. The valuer applies one or a combination of accepted methodologies:
- Capitalisation of future maintainable earnings — most common for mature operating businesses with stable earnings;
- Discounted cash flow — for businesses with projected growth, distinct project pipelines or volatile earnings;
- Net asset valuation — for asset-rich, earnings-poor entities or investment-holding structures;
- Rule-of-thumb industry multiples — used as a cross-check, particularly for professional practices.
Valuations are sensitive to add-backs (working out a normalised owner's salary), the capitalisation rate (risk premium) and the treatment of one-off items. Parties often disagree about these inputs, and reasonable minds can differ by margins of 20% or more.
Family Companies
In a typical family company, the shares are held by one or both parties (sometimes with adult children or related trusts). The Court's task is to determine the value of the party's shareholding, then decide how the value is to be realised — usually by one party retaining the shares with an offsetting payment to the other, less often by sale to a third party. Buy-sell mechanisms and shareholder agreements may be relevant; for the broader context see our article on buy-sell agreements.
Trust Structures
Discretionary trusts are the most heavily litigated business structures in family law. The Court will look at:
- who is the appointor and trustee;
- who has historically benefited from distributions;
- whether the controller has used trust assets personally;
- whether the trust was funded by the controller's own assets.
Where the trust is effectively the controller's alter ego, its assets are commonly brought into the property pool. Where the party's interest is more genuinely contingent — for example, one beneficiary among many in a long-established family trust — the trust may be treated as a financial resource that influences the assessment of future needs but does not add to the divisible pool.
Professional Practices
Professional practices raise distinctive valuation issues. Much of the value typically resides in personal goodwill — which cannot be sold without the practitioner — and in work-in-progress, retained earnings and the value of any associated service entity. Specialist valuers experienced in the relevant profession should be engaged. Restraint-of-trade arrangements built into partnership or service agreements also need to be considered.
Goodwill and Future Earnings
Goodwill is the difference between the value of a business as a going concern and the value of its tangible assets. It is driven by reputation, recurring clients, brand, location and key personnel. A persistent question is whether goodwill is commercial (transferable to a buyer) or personal (tied to the individual practitioner). Only commercial goodwill carries weight in valuation.
Future earnings, by contrast, are not normally added to the asset pool — they are considered under the future-needs limb of the four-step framework. The earning capacity of a party can significantly influence the percentage division of the pool.
Disclosure Requirements
The duty of full and frank disclosure is strict and ongoing. Business owners must produce:
- three to five years of financial statements and tax returns;
- up-to-date management accounts and BAS;
- shareholder agreements, trust deeds and partnership agreements;
- loan and security documents;
- customer and supplier contracts of material value;
- cap tables and share registers;
- details of related-party transactions.
Failure to disclose has serious consequences — including the re-opening of final orders, adjustment of the asset pool in favour of the other party, adverse costs orders and adverse inferences. The disclosure regime that applies to a complex business mirrors the regime that applies in cases involving cryptocurrency: courts are increasingly impatient with deliberate concealment.
Protecting a Business During Separation
A separation does not require the business to stop trading. Sensible steps include:
- continuing to operate the business in the ordinary course;
- avoiding major capital expenditure or restructuring without legal advice;
- maintaining clear records of every transaction;
- keeping personal and business banking strictly separate;
- preserving key employee and customer relationships;
- obtaining advice before issuing any redundancies or terminating service agreements with related parties.
For broader succession context, our article on business succession planning discusses the agreements and insurances that keep a business running through major personal events.
Common Mistakes Made by Business Owners
- Trying to depress the valuation by deferring revenue or accelerating expenses — easily identified by an experienced valuer.
- Restructuring during the separation in ways that can be unwound and that attract adverse inferences.
- Failing to disclose related-party loans, foreign assets or trust distributions.
- Treating the company bank account as a personal account, which makes it harder to argue that trust or company assets sit outside the pool.
- Negotiating without specialist advice and accepting a settlement that the business cannot fund.
When Specialist Advice Is Required
Most business-owner property matters benefit from a team approach: a family lawyer to manage the matter, an accountant to advise on financial structuring and tax, a valuer to provide independent evidence of value, and (where required) a commercial lawyer to deal with shareholder, partnership or trust issues. Our Family Law team works alongside our Commercial & Business Law team in matters involving substantial business interests.
Conclusion
Businesses are valued, divided and protected differently from ordinary household assets, and the choices made during separation can have a lasting effect on the business itself — its viability, its workforce and its capacity to generate future income for both parties. Business owners who obtain early specialist advice, comply with disclosure obligations and resist the temptation to manipulate the business position consistently achieve better outcomes than those who do not. For broader context, see our companion guides on whether property is always divided 50/50 and de facto property claims.
Frequently Asked Questions
Is a family business an asset in a property settlement?
Yes. The Family Law Act 1975 (Cth) defines property broadly and a business — whether held as a sole tradership, partnership, company or through a trust — is included in the asset pool to the extent it has value attributable to a party.
How is a business valued?
Business valuations in family law are generally performed by an independent expert (usually an accountant with valuation accreditation) appointed jointly. They apply recognised methodologies — capitalisation of future maintainable earnings, discounted cash flow, net asset valuation — chosen to suit the business.
Who pays for the business valuation?
Where the valuer is appointed as a single expert, the cost is usually shared by the parties initially and ultimately treated as a cost of the property settlement. The Court can re-allocate the cost if one party has caused unnecessary expense.
What if I am a minority shareholder?
A minority shareholding still forms part of the asset pool. Valuation may attract a minority interest discount to reflect the lack of control and limited marketability, particularly in closely held companies.
How are trusts treated?
Family discretionary trusts often present the most complex issues. The Court looks past the legal form to ask whether the controller of the trust treats trust assets as their own. Where they do, the Court may include trust assets in the property pool or treat them as a financial resource.
What is goodwill?
Goodwill is the value of a business above and beyond the value of its tangible assets — driven by reputation, recurring clients, location, brand and key personnel. Personal goodwill that depends entirely on one individual may attract limited value if that person is not part of the sale.
Do I have to disclose all of my business financials?
Yes. The duty of full and frank disclosure extends to every business in which you have an interest. Financial statements, tax returns, BAS, management accounts, shareholder agreements, trust deeds and loan documents must all be produced.
Can I sell or restructure my business during a separation?
Disposals or restructures undertaken to defeat a property claim can be unwound by the Court, and adverse inferences can be drawn. Ordinary course transactions should continue, but any material restructure should be the subject of legal advice before it is implemented.
What happens to a partnership when a relationship breaks down?
Partnerships are typically governed by a written agreement and the Partnership Act. Where one partner is also the separated spouse of the other, the partnership relationship and the family law relationship need to be untangled in parallel — sometimes the business is sold, sometimes one party buys out the other.
How are professional practices valued?
Valuing a professional practice (such as a medical, legal or accounting firm) requires careful treatment of personal goodwill, restraint-of-trade considerations, retained earnings and the licence to practise. Specialist valuers are essential.
Can the Court order me to sell my business?
Yes, in appropriate cases. More often the Court will order one party to retain the business with an offsetting payment to the other party. The Court can also require a sale where there is no other way to achieve a just and equitable outcome.
Should I get advice before negotiating?
Yes. Business owners face a more complex property settlement than most. Specialist family law advice, combined with input from accountants and (where required) commercial lawyers, almost always pays for itself in the result achieved.
Family Law & Commercial
Business Owner Facing a Property Settlement?
Speak with our team before you negotiate. Our Family Law and Commercial & Business Law lawyers work together with accountants and independent valuers to protect business value and structure settlements the business can sustain.
This article is general information only and does not constitute legal advice. Please obtain advice tailored to your circumstances.