BHP Billiton and a security firm that guards major government buildings are among hundreds of Australian names linked to a Panama law firm that helps the rich hide money.
The ABC's Four Corners program revealed the links involving the mining giant and Wilson Security as part of an investigation into a massive leak of 11.5 million documents from Mossack Fonseca.
A Gold Coast businessman and a Hong Kong billionaire who is one of Australia's biggest foreign investors are also identified.