Competent Persons

• List of Class 1a & 1b Competent Persons (Revision 05/2023) [PDF format (266KB)]
• List of Class 2 Competent Persons (Revision 12/2023) [PDF format (256KB)]
• List of Class 3 Competent Persons (Revision 11/2023) [PDF format (110KB)]

Purposes of the Register

This register provides members of the public with a list of competent persons enlisted in Hong Kong. The public can check information of competent persons enlisted. Use of the information for other purposes is strictly prohibited.

Approved List

• Approved List of Domestic Gas Appliances (LP Gas) [PDF format (1.98MB)]
• Approved List of Domestic Gas Appliances (Town Gas) [PDF format (2.14MB)]
• Approved List of Flexible Gas Tubing for Low Pressure Applications [PDF format (393KB)]
• List of Flexible Gas Tubing for Commercial Applications (Not Including Flexible Gas Tubing for Low Pressure Applications)
  [PDF format (215KB)]
• Approved List of Disposable LPG Cylinders
  • (LPG cartridges used in cassette cookers) [PDF format (467KB)]
  • (excluding LPG cartridges used in cassette cookers) [PDF format (364KB)]
• Registered Gas Supply Companies List
• Gas Systems Contractor List
• Register of Distributors Approved by Registered Gas Supply Companies for
  Liquefied Petroleum Gas Cylinder Distribution in Hong Kong
• List of Registered Gas Contractors
  • Overall Registered Gas Contractor List - List of Registered Gas Contractors employing Registered Gas Installers of different class(es) of Gas Installation Work [PDF format (599KB)]
  • Contractor List 1 - Towngas (Gas Installation Work In Commercial Kitchens) [PDF format (391KB)]
  • Contractor List 2 - LPG (Gas Installation Work In Commercial Kitchens) [PDF format (377KB)]
  • Contractor List 3 (Dim Sum Trolley Supply And/Or Service) [PDF format (339KB)]
• Registered Gas Installers (RGI) - Search
• List of Excess Flow Valve for Piped Gas Supply to Domestic Gas Cooking Installations [PDF format (235KB)]
• List of Liquefied Petroleum Gas (LPG) Lighter with Provisional Photo

For any enquiry on issue about gas appliance or gas safety, please contact Gas Standards Office by email: info@emsd.gov.hk or at telephone nos. 1823 or 2808 3683.