This study examines problem of money laundering and identifies role of gatekeepers in utilising their expertise to conceal the proceeds of crime. In order to successfully prevent and investigate money laundering, we need to understand the development of anti-money laundering regime and how country like Indonesia adopts this development into its domestic regulations. Nevertheless, it is crucial to comprehend gatekeepers utilising various money laundering mechanisms and offshore financial centres. Scrutinised cases from Indonesia and corporate practices from Singapore on this study highlight how gatekeepers operate in the private sector, wittingly or unwittingly, use their expert knowledge of the international financial system to facilitate criminals and to secure the movement of the proceeds of crime globally.