Established in 1966, WINSTON is one of the most recognized major buliding services contractors serving both public and private sectors in Hong Kong. We are:

• Government recognized specialist contractor (Group II) for Public Works in the category of  “Air Conditioning Installations”

​

• Government Registered Specialist Contractor (Ventilation category)

​

• Government Registered Electrical Contractor

​

• Government Registered Minor Works Contractor  (level I, II & III for classes A~H)