Gilbert has extensive experience in advising developers and contractors on a variety of construction projects including infrastructure, commercial, residential and industrial projects in a number of jurisdictions including Hong Kong, Beijing, Shanghai, Macau, North Korea and Angola. He supports clients in drafting construction contracts, consultancy agreements and supply contracts relating to a wide range of construction projects.

A member of the Hong Kong and China projects & construction group, Gilbert is also a chartered quantity surveyor of the Royal Institution of Chartered Surveyors. He served as chairman of the Quantity Surveying Division of the Hong Kong Institute of Surveyors in 2003 and is currently its honorary legal advisor.