Mr Heng was a Council Member of the Institute of Singapore Chartered Accountants (f.k.a. Institute of Certified Public Accountants of Singapore) from 1986 to 1990. He was also a member of the Inquiry Panel of the Public Accountants Board established by the government to regulate the practice of public accountants in Singapore. For his contribution to the accountancy profession he was bestowed a Merit Award by ISCA.
He was an independent director of a number of public listed companies.
He is a fellow member of the Institute of Singapore Chartered Accountants and CPA Australia; a member of The Chartered Institute of Management Accountants and The Chartered Governance Institute.
Before founding the firm in 1974, he worked in both local and international CA firms, commerce and industry for 9 years.