TSIC Class

4290

Other Civil Engineering Projects

Definition

The construction of civil engineering projects not classified elsewhere, such as bridges and dams.

Foreign ownership

List 3: Restricted, FBL/BOI route availableinherited from 42

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.

FBA B.E. 2542, List 3 (10)Routes: Foreign Business Licence, BOI promotion, US Treaty of Amity

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 all

New DBD registrations under this code since 2022, summed across every 5-digit activity beneath it. Not the full historical register.

432
Registered
since 2022
418
Still active
14
Dissolved

New registrations per year, all sub-codes combined

2022peak 110 in 20262026

Source: DBD new-registration records, 2022 to present.

Activities under 4290

Emerhub

Restricted activity? There is usually a route.

Emerhub structures foreign-owned companies around FBA restrictions: Foreign Business Licence applications, BOI promotion, and compliant shareholding structures. Talk through your case before you commit to one.

Talk to Emerhub Thailand