Mr. Lau Kiing Ying initial professional training was with a Big 4 firm from 1982 to 1984. He was a partner in the accounting firm Crowe Horwath (now known as Crowe Malaysia PLT) Sibu Office and retired in 2017.

Having been in the accountancy field for more than 39 years, he has extensive knowledge and professional experience in accounting, auditing, taxation matters and advisory services which includes proposed flotation exercise on the Malaysian Stock Exchange. While with Crowe, he oversees a wide portfolio of medium to large sized clients operating in various industries.

He has also been involved in resolving tax investigations and tax field audits.