The present Campbell Shillinglaw Lau Limited company has evolved through various stages of development. The firm, based in Hong Kong, was first established in 1970 by Ian W. Campbell who had at that time to his credit over fifteen years experience as a consultant in Acoustics and Technology. Mr. Campbell is a professionally qualified architect and is included in the Hong Kong Government List of Authorized Persons.

In 1977 Dr. Shillinglaw, a professionally qualified engineer, joined Ian Campbell with Mr. Leslie Lau entering the firm in 1987. In 2000, Mr. Lau was promoted to partner status, forming the current partnership. In 2019, Mr. William Fung joined the company as a partner and managed together with Mr. Alex Tsui. With the recent joining of specialists in other disciplines, our firm has been able to diversify our services with the development of separate sister companies to serve different regions.

Campbell Shillinglaw Lau (Beijing) Limited (Sister Company to Campbell Shillinglaw Lau Ltd) has established the main office in Beijing with representative offices in Shanghai, and branch office in Guangzhou. This firm is dedicated to serving the fast-growing market within the PRC where high quality and professional consultancy services are in high demand.