For many family-owned and owner-operated businesses, the structure chosen in the early years can shape success for decades. What often begins as a simple arrangement to get the business started can become misaligned as the business grows, diversifies, or transitions to the next generation.
Getting business structures right, and knowing when it is time to change them, is one of the most important and most overlooked drivers of long-term success for family enterprises.
Mellor Olsson has provided trusted legal guidance to South Australian family businesses for generations. As a full-service law firm, the firm supports businesses not just at establishment, but as they evolve through growth, change, and succession.
Choosing the right structure and revisiting it
Companies, trusts and partnerships all have an important role to play. Each structure can work well in the right circumstances, but circumstances change it is important to revisit the structure to ensure that it is still appropriate.
A structure that suits a husband-and-wife startup may no longer be appropriate once adult children join the business, external investors are involved, or assets are accumulated outside day-to-day operations. Tax outcomes, control, risk exposure, and asset protection can all shift significantly over time.
Mellor Olsson Regional Manager Matt Dorman regularly works with regional clients who are facing these challenges.
“We often see strong family businesses still operating under structures that were set up many years ago,” he says. “The business has grown, the family has changed, but the structure is no longer appropriate. That can create unnecessary risk or missed opportunities if it is not addressed early.”
Restructuring does not mean starting from scratch. When done properly, it ensures the legal framework continues to support both the commercial goals of the business and the relationships within the family.
Structuring for growth, risk, and opportunity
As businesses expand, new considerations naturally arise. Joint ventures, property holdings, family investment vehicles, and funding arrangements all introduce additional complexity that needs to be managed carefully.
Mellor Olsson advises family businesses on business structuring and restructures, including companies, trusts and partnerships, restructuring as businesses grow or generations change, and the associated risk, tax, and asset protection implications. The firm also assists with structuring joint ventures and family investment vehicles that support long term growth while managing exposure.
These services sit alongside broader business structuring and strategic advice, regulatory compliance and risk management, and support for mergers, acquisitions, and business sales.
Commercial Law Partner Darren Foeng says flexibility is key.
“The most effective structures are those that allow a business to adapt,” he explains. “They provide clarity around ownership and decision making, while still allowing room for growth, succession and change as circumstances evolve.”
Planning for continuity across generations
For family businesses, structure is as much about governance as it is about legal or tax efficiency. Clear arrangements around decision making, ownership and risk management help reduce conflict and support smoother transitions between generations.
Importantly, structures should evolve alongside the family itself. What works for one generation may not work for the next.
With deep experience supporting regional South Australian businesses, Mellor Olsson works closely with business owners to ensure structures remain fit for purpose and aligned with both family and commercial objectives.
By reviewing structures regularly and seeking advice before problems arise, family businesses can place themselves in the strongest possible position for continuity, stability, and success across generations.
If you are a family-owned or owner-operated business and would like to implement a business succession plan, or are unsure whether your current structure still supports your business or family circumstances, Mellor Olsson Lawyers can help. Our team works closely with businesses across South Australia to provide practical advice that evolves with your business. To discuss your structure or explore whether change may be needed, contact Mellor Olsson Lawyers or visit molawyers.com.au.
A version of this article was published in The Stock Journal on 30 April, 2026.