A billionaire hotelier is set to plead guilty to abetting offences in a rare corruption case that gripped Singapore and landed a former minister in jail.

A billionaire, best known for bringing the Formula One night race to Singapore, has pleaded guilty to a charge linked to a landmark corruption scandal that shocked the Asian financial hub known for its squeaky clean government.

Property tycoon Ong Beng Seng pleaded guilty to one charge of abetting the obstruction of justice on Monday in part of a landmark case that led to the jailing of former transport minister S. Iswaran for obtaining valuable items as a public servant last year.