Is this a full official TSIC page?

The TSIC title can come from the official NSO PDF extract, but this page still adds non-official cross-links for research use and does not replace regulator verification.

Can this page replace regulator verification?

No. Use it as a research layer and verify code, tax, permit, and ownership position before filing or investing.

TSIC 72109 Thailand business activity code: Research and experimental development on natural sciences and engineering

Activities covered by TSIC 72109

Official TSIC PDF extract for Research and experimental development on natural sciences and engineering. Cross-links are currently generated from division and section heuristics until richer official mappings are connected.

Key checkpoints for this code

72109TSIC code

3Linked tax pages

2Relevant provinces

0Standards and customs checks

Tax ratesOpen the tax pages connected to this activity. ProvincesReview local wage and operating context. StandardsCheck product and regulator checkpoints. Company registryUse registry pages for setup and verification workflow.

Compliance risk score

5 of 6 factors passing

8 / 10

Verified official source - tsic_nso_structure.xlsx | SHA 8af4ddb63f5e
International crosswalk - ISIC Rev.4 7210 -> ISIC Rev.3.1 7310 (partial)
Previous-edition migration - TSIC 2544 codes: 73102
Complete hierarchy - 5 hierarchy levels confirmed in the TSIC tree.
Trade or export match - No linked HS or customs code is mapped to this TSIC record.
Legacy crosswalk - TSIC 2544 codes: 73102

How we calculate this score →

Is TSIC 72109 relevant to your work?

This code typically applies to:

2411AccountantAccountants plan, organize and administer accounting systems for individuals and establishments. Some occupations classified here examine and analyse the accounting and financial records of individuals and establishments to ensure accuracy and compliance with established accounting standards and procedures.2421Management consultantManagement and organization analysts assist organizations to achieve greater efficiency and solve organizational problems. They study organizational structures, methods, systems and procedures.2431Advertising and marketing professionalAdvertising and marketing professionals develop and coordinate advertising strategies and campaigns, determine the market for new goods and services, and identify and develop market opportunities for new and existing goods and services.2142Civil EngineersCivil engineers conduct research, advise on, design, and direct construction; manage the operation and maintenance of civil engineering structures; or study and advise on technological aspects of particular materials.2512Software DevelopersSoftware developers research, analyse and evaluate requirements for existing or new software applications and operating systems, and design, develop, test and maintain software solutions to meet these requirements.

Additional occupations for TSIC 72109

Source: ISCO-08 occupation dictionary + TSIC official activity semantics, 2026-05-05

Official activity name and details

Official English label: Research and experimental development on natural sciences and engineering
Section: M
Data coverage: official-tsic-import
Division: 72 - Scientific research and development
Group: 721 - Research and experimental development on natural sciences and engineeri ng
Class: 7210 - Research and experimental development on natural sciences and engineering

Use the official TSIC label below when the Thai translation is not yet source-backed in this build.

Important checks before registration

Ownership route: Use this page as an ownership-routing layer only. Verify FBA, BOI, treaty and shareholder structure together.
Permit route: Treat permit notes as a checklist only. The real permit stack depends on the operating model, location and regulator.

TSIC hierarchy position

In this section

TSIC 72101Research and experimental development on natura l sciences TSIC 72102Research and experimental development on natural sciences and engineeringTSIC 72109Research and experimental development on natural sciences and engineering

Previous code: TSIC 72102 Next code: TSIC 72200

Withholding tax checkpoints for this activity

Service and professional fees: 3 % if paid to Thai company or foreign company having permanent branch in Thailand; 5% if paid to foreign company not having permanent branch in Thailand (reference)