He founded Trans-Island Bus Services (now known as SMRT Buses) in 1982 and is a board member of Singapore Press Holdings.

[3][4] During this time he also travelled to the United States for nine months with an American Field Service scholarship.

[3][6] While at university, in 1969, Ng won a silver medal at the Southeast Asian Peninsular Games as a part of the Singapore sailing team.

[7][10] In addition to these roles, Ng has been a board member of Singapore Press Holdings since 2007 and of WBL Corporation from 2005 to 2012.

[5][6][7] Throughout his career, Ng has held a number of leadership and advisory roles in Singapore's business community.

In 1992, he became a faculty fellow of Business Administration in the School of Postgraduate Management Studies at the National University of Singapore.

[3] He initiated and acted as chairman of Project 0812,[2] an organisation that provided Singaporean athletes with high-level training and preparation to win medals in the Beijing and London Olympics.

[20][21] That same year, Ng also served as chairman of the inaugural Asian Youth Games Steering Committee.

[citation needed] In 2010, Ng served chairman of the inaugural Singapore Youth Olympic Games Organising Committee.

[27] Also beginning in 2001, Ng served on the Asia Pacific Economic Cooperation Business Advisory Council.

[6][7] In 1993, Ng was named Singapore's Outstanding Manager of the Year for his work with the Trans-Island Bus Service.