432102Electrical fitting with water plumbing
電器裝設兼水管鋪設
Why 6 digits?
HSIC subclasses are 6 digits. The first four match the international ISIC class; Hong Kong adds a two-digit local suffix for finer detail, especially across its import and export trade, so a code steps from a 4-digit class straight to a 6-digit subclass. More on the HSIC structure.
This activity involves the installation and maintenance of electrical fittings that are integrated with water plumbing systems. It includes the work on electrical components that are specifically designed to operate in conjunction with plumbing installations, ensuring proper functionality and safety.
This classification includes
- electrical fitting with water plumbing
Licences and approvals
What this activity needs to operate
Activities under this code trigger the following licensing regimes. Emerhub prepares and files each application on your behalf.
Registered Electrical Contractor (REC)
Electrical and Mechanical Services Department (EMSD)
Under the Electricity Ordinance (Cap. 406), any person or company carrying on business as an electrical contractor undertaking electrical wiring work on fixed low or high voltage electrical installations must register with the Director of Electrical and Mechanical Services. The contractor must employ at least one registered electrical worker of the appropriate grade for the work undertaken. Registration is renewable and applications can be made in person, by mail or online.
Official sourceVerified 2026-07-14
Offshore profits claim feasibility
LowThis activity typically involves services performed within Hong Kong premises for local customers. Contracts are often negotiated and concluded in Hong Kong, making it less likely to qualify for offshore tax treatment.
Business registration wording
Suggested business nature for this activity
English
ELECTRICAL FITTING WITH WATER PLUMBING SERVICES
47/60 characters
Chinese 中文
電器裝設兼水管鋪設
9/30 characters
Industry statistics
How large is this sector in Hong Kong?
Official figures are compiled at industry level. These are for Construction (F), the industry this classification belongs to.
27,200
Establishments (2023)
195,800
Persons engaged (2023)
C&SD Annual Survey of Economic Activities 2023Verified 2026-07-14
Standard compliance
Compliance every Hong Kong company shares
Beyond anything specific to this activity, every Hong Kong company handles two-tiered profits tax, the annual return (Form NAR1) within 42 days of its incorporation anniversary, audited accounts, MPF enrolment for staff, and a company secretary. Emerhub runs all of it on your behalf.
See the full Hong Kong compliance calendarFrequently asked questions
Do I need a license for plumbing work?
Yes, plumbing work in Hong Kong requires a license from the Water Supplies Department.
What are the tax implications for my business?
Profits generated from services rendered in Hong Kong are subject to local taxation.
Can I operate this business from home?
Yes, but ensure compliance with local zoning regulations and licensing requirements.
Incorporate in Hong Kong
Starting a electrical fitting with water plumbing business in Hong Kong?
Emerhub incorporates your company, registers the business nature above with the IRD, files every licence application, and runs your company secretary and compliance calendar. You provide the documents; Emerhub handles every government interaction.
Start incorporation with Emerhub