CompaniesSeparation of auditing units an option after integrity issues at PwC, KPMG and EYThe Big Four accounting firms in Australia are regulated as partnerships rather than companies, meaning they do not currently face oversight from the corporate watchdog, the Australian Securities and Investments Commission. (Source photos by Mayumi Kuze, Reuters and Yuji Murakami)SHAUN TURTONJuly 1, 2026 17:40 JSTCANBERRA -- Australia's government is considering new rules that could break up the Big Four accounting firms, among other reforms, to avoid conflicts of interest that have created a series of recent scandals.