TSIC Activity

Other building completion and finishing, not elsewhere classified

ประกอบกิจการรับออกแบบ ตกแต่งภายใน และให้คำปรึกษาด้านงานตกแต่งภายในอาคาร บ้านพักอาศัย สำนักงาน ร้านค้า และสถาน ประกอบการทุกประเภท

What this activity covers

This activity involves plastering, installing decorative elements, and completing building interiors and exteriors.

Plastering services — Plastering walls inside and outside buildings
Gypsum board installation — Installing gypsum board wall panels
Metal sheet installation — Installing prefabricated metal sheets
Glass and mirror installation — Installing glass and mirrors in buildings
Building decoration — Decorating to complete the building
Cleaning post-construction — Cleaning the building after construction is complete

What companies here also do

Seen in real company registrations under this code — beyond the official definition, so licensing may differ.

Metal component installation — Designing and installing metal components
Aluminium work — Installing and designing aluminium and glass works
Machinery sales — Importing and selling machinery and related parts

Not included here

General cleaning of buildings and other structures. See activity 81210.
Cleaning inside and outside the building that requires specialized personnel. See sub-category 8129.

Foreign ownership

List 3: Restricted, FBL/BOI route availableinherited from 43

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.

Industry at a glance

as of 23 ก.ค. 69

The whole registered industry under this activity, every registration year, from the DBD DataWarehouse.

1,155

active companies operate here

฿2.8Bregistered capital, combined

฿10.8B

Sector revenue · 2025

+9% since 2023

฿415.4M

Net profit · 2025

528 profitable

202320242025

net profitrevenue

Foreign investment

new registrations · 2026 YTD

5%of new registered capital is foreign-held

฿2.2M foreign฿40.6M Thai

Largely domestic, with some foreign investment.

1 of the 5 largest companies here are foreign-owned Thailand subsidiaries.

New in 2026

30+50.0%

registrations, YTD

Registered capital

฿2.8B+3.4%

since year-end

Largest by revenue

Latest filed-year revenue, not a multi-year total

Largest by registered capital

1AAG Corporation Co., Ltd.Nonthaburi฿250.0M
2YKK AP (Thailand) Co., Ltd.intlBangkok฿100.0M
3Oregon Aluminum Co., Ltd.Pathum Thani฿100.0M

Source: Department of Business Development DataWarehouse. Financial figures are combined totals of companies that filed statements; revenue and profit shown for the latest three reporting years.

Companies registered since 2022

Browse all

New DBD registrations under this activity since 2022, the period the registry snapshot covers, not the full historical register.

294

Registered

since 2022

277

Still active

Dissolved

฿1.0M

Median capital

of active

New registrations per year

2022peak 92 in 20222026

Largest active companies by registered capital

Source: Department of Business Development (DBD) new-registration records, 2022 to present. Counts cover companies first registered in that window, reflect the latest snapshot load, and may lag the live register.

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