Why a foreigner can't run a villa-flipping or land-development business on Koh Phangan

Can a foreigner buy plots, renovate or build villas, and resell them for profit as an ongoing business on Koh Phangan? No — and this is a different question from buying one villa to live in. The Foreign Business Act B.E. 2542 (1999) places 'trading in land' on List One (Schedule One), item 9 — the Act's strictest tier of prohibited activities. Unlike List Two or List Three businesses, a List One activity has no licensing path at all: no Foreign Business Licence, no Cabinet approval, no exception at any investment level. This sits alongside, but is legally distinct from, the Land Code's separate ban on foreigners owning land outright.

Personal ownership vs. running a land-trading business

The distinction turns on Section 4's test of what counts as regulated 'business' — activity carried on 'for the purpose of trade or profession.' A foreigner who buys a single villa through the standard lease-plus-superficies structure or a genuine 49/51 Thai company to live in isn't trading in land; they're acquiring a home. Repeatedly buying, developing and reselling land or villas for profit as your own commercial activity is a different thing entirely — it's the business the Act closes off, regardless of how the land itself is structured underneath it.

Why land trading sits on the strictest list

• List One businesses have no licensing route, full stop — contrast this with List Three, which covers brokerage and agency work (already covered in Can a foreigner work as a real estate agent on Koh Phangan?): a List Three business can, in principle, obtain a Foreign Business Licence or rely on treaty exceptions. Land trading has no equivalent door.
• Trading as principal is different from brokerage. List Three's agency restriction covers arranging deals for other people; List One's land-trading restriction covers buying and reselling land or property for your own account, as a business. They're separate provisions addressing separate roles in a transaction.
• A company counts as 'foreign' once more than 49% of its registered capital is non-Thai-held (Section 4) — the same threshold behind the standard 49/51 structuring already covered on this site, but here the consequence isn't a land-ownership problem, it's a business-licensing one.

Can a foreigner invest in a Thai land-trading or development company?

Yes, as a minority position — a company genuinely majority-owned and controlled by Thai nationals is not 'foreign' under Section 4 and can lawfully trade in land as its business, with a foreign national holding up to 49% and sitting on the board. What it can't be is a Thai-on-paper vehicle actually run and funded for a foreigner's benefit. Land-trading and development companies are exactly the profile the Land Department's existing audit of landholding companies and the DBD's source-of-funds orders are built to catch, since a company that repeatedly buys and sells land draws more scrutiny than one that holds a single family home.

The penalty for operating without authorisation

Section 37 sets the penalty for a foreigner operating a List One business without authorisation at up to three years' imprisonment and/or a fine of ฿100,000–1,000,000, plus a further daily fine of ฿10,000–50,000 for as long as the violation continues, and the court can order the business activity, shareholding or partnership stopped outright.

The practical line for a Phangan-based foreigner: owning and living in a villa, or holding one investment property through a compliant structure, is untouched by this rule. Turning land or villa purchases into a repeat, for-profit trading business is not something a foreigner can do personally, or through a company they actually control — only as a genuine minority stake in an authentically Thai-run operation, which then carries its own nominee-scrutiny exposure.