About Us

Registration and Accreditation


Wan Chung has professional accreditation in various disciplines to provide you with a professional and reliable service.

Accrediting Organization Approved Contractor List
Business Registration First Date of Registration : 13-05-1955
Certification No. : 07878523-000-05-22-2
Expired On : 13 May 2023
Building Ordinance Registration Certification No. : GBC192/98
Expired On : 26 October 2023
Works Branch, Development Bureau, The Government of the Hong Kong Special Administrative Region Building Works (Group C)
Works Branch, Development Bureau, The Government of the Hong Kong Special Administrative Region Site Formation (Group B) Probation
Works Branch, Development Bureau, The Government of the Hong Kong Special Administrative Region Turn-key Interior Design and Fitting Out (Group 1)
Works Branch, Development Bureau, The Government of the Hong Kong Special Administrative Region Specialist Contractor for Repair and Restoration of Historic Buildings
Works Branch, Development Bureau, The Government of the Hong Kong Special Administrative Region Specialist Contractor for Plumbing Installation (Group 1)
Hong Kong Housing Authority New Works (Group NW1)
Hong Kong Housing Authority Maintenance (Group M2)
Electrical and Mechanical Services Registered Electrical Contractor
Accredited Certification International Limited ISO 9001: 2015 Certification in Quality Management System
Construction of buildings; Construction of civil engineering works (site formation); Design and building activates to keep, restore and improve the facilities of buildings and surroundings; Supply, installation, repair and maintenance of plumbing and drainage works
Certification No. : ACI - Q789
Accredited Certification International Limited ISO 14001: 2015 Certification in Environmental Management System
Construction of buildings; Construction of civil engineering works (site formation); Design and building activates to keep, restore and improve the facilities of buildings and surroundings
Certification No. : ACI - E372
Accredited Certification International Limited OHSAS 45001: 2015 Certification in Occupational Health and Safety Management System
Construction of buildings; Construction of civil engineering works (site formation); Design and building activates to keep, restore and improve the facilities of buildings and surroundings
Accredited Certification International Limited ISO 50001: 2011 Certification in Energy Management System
Construction of buildings; Design and building activates to keep, restore and improve the facilities of buildings and surroundings
Certification No. : ACI – EN016