Roy Morgan Research Itâs official: Supermarkets are the most trusted brands in Australia Source: Roy Morgan Risk Monitor: COVID Issue, Apr20-Sep20 Base Australians 14+ n=10,728 During the depths of the COVID pandemic, who did Australians trust the most? And more importantly, who did they distrust? Roy Morgan data scientists analysed nominations from more than 10,000 Australians to identify the nation’s 10 most trusted brands, and 10 most distrusted brands. The Roy Morgan Risk Report: COVID Issue reveals that the winners list is dominated by supermarkets, perhaps unsurprisingly given their essential role during the COVID health crisis. For the first time the two major supermarket brands, Woolworths and Coles, took top spots on the list of