TSIC Class
Electrical Installation
Definition
The installation of electrical systems in buildings and other structures.
Foreign ownership
Construction, except construction of infrastructure providing basic public services in public utilities or transport that requires special apparatus, machinery, technology or expertise, and except other categories prescribed in ministerial regulations
The infrastructure carve-out is subject to a minimum foreign capital requirement, subject to capital thresholds, verify current figures.
Auto-mapped, verify against the Act. These TSIC mappings are indicative, not legal advice; the schedules of the Foreign Business Act B.E. 2542 are the authority. See the full foreign ownership reference.
Companies registered since 2022
Browse allNew DBD registrations under this code since 2022, summed across every 5-digit activity beneath it. Not the full historical register.
New registrations per year, all sub-codes combined
Source: DBD new-registration records, 2022 to present.
Activities under 4321
Emerhub
Restricted activity? There is usually a route.
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