Minority interest—sometimes called non-controlling interest—might sound like accounting jargon, but it’s a crucial concept for investors, business owners, and anyone analysing company financials in Australia. With 2025’s evolving accounting standards and a wave of cross-ownership among ASX-listed companies, understanding minority interest is more important than ever.
Minority interest represents the portion of a subsidiary company that is not owned by the parent company. For example, if Company A owns 80% of Company B, the remaining 20% owned by outside investors is the minority interest. On consolidated financial statements, this figure appears as a separate line in the equity section or as a liability—depending on the reporting framework.
Why does this matter? It helps distinguish between profits and assets truly attributable to the parent’s shareholders versus those belonging to external investors. In 2025, with the Australian Accounting Standards Board (AASB) fully aligned with IFRS 10 and IFRS 12, minority interest reporting is more transparent and standardised than ever.
For instance, in 2025, several Australian energy firms have spun off green energy subsidiaries, selling minority stakes to superannuation funds. Understanding the minority interest line is key to knowing who really benefits from future profits or capital gains.
Recent updates from the AASB ensure that, as of 2025, all listed companies must disclose more detail about subsidiary ownership structures, related party transactions, and the precise calculation of minority interests. This is especially relevant for family businesses going public or conglomerates acquiring startups.
Consider a real-world example: Wesfarmers Ltd. acquires a 65% stake in a health-tech startup. On Wesfarmers’ 2025 consolidated balance sheet, the 35% not owned is reported as minority interest. The profits attributable to that 35% are excluded from Wesfarmers’ net profit after tax, ensuring transparency for shareholders.
For investors, these details reveal whether a company’s apparent growth is due to its own operations or boosted by partially owned subsidiaries.
With Australia’s M&A market heating up in 2025—especially in tech, renewables, and healthcare—minority interest is appearing in more annual reports and deal prospectuses. Private equity deals often structure acquisitions with retained minority stakes for founders, aligning incentives but complicating group results.
Key trends for Australian investors:
Being aware of minority interest helps investors avoid double-counting earnings, understand true company leverage, and spot red flags in complex group structures.
Minority interest isn’t just an accounting footnote—it’s a window into how value, risk, and control are distributed within Australia’s increasingly interconnected corporate landscape. With 2025’s updated standards and more transparent reporting, investors have the tools to make smarter decisions. Always look beyond the headline numbers and examine how much of a company’s profits and assets are truly under its control.