iGROW Market Guides · Know before you go.

Doing Business in Thailand

A reference library for Singapore companies. Twenty-four chapters, every figure carrying its source and its date. Where something could not be verified, it says so instead of estimating.

Current as at 31 August 2026

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The three questions people ask first

Taken from what Singapore owners and foreign investors actually ask, not from a list we invented.

QUESTION 1

Can a Singapore company own a business in Thailand?

Most Singapore activities are not restricted at all, so the question often does not arise. Here is how to tell.

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QUESTION 2

Is a 51/49 split with a Thai partner actually legal in 2026?

The rules did not change in 2026. The enforcement did, and a paper 51/49 split is now a documented target.

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QUESTION 3

What does it cost to set up a company in Thailand, and how long does it take?

A flat THB 5,000, not a percentage of capital. Both formulas in circulation are wrong.

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The library

Browse by what you need

Twenty-four chapters across six parts. Each one answers a single question and cites its sources at the foot.

Why this one

What makes this different from the rest

Government pages are stale too

BOI's own FAQ still shows a superseded activity code. The Revenue Department's summary page still shows superseded tax bands. We cite the underlying decrees, not the summaries.

We say when we do not know

Where a figure could not be confirmed against a source, the text says so and names what is missing, rather than filling the gap with something plausible.

Everything is dated

Thai rules moved several times during 2026 alone. Every claim carries the date of its source and the date the rule took effect.

The full guide

Doing Business in Thailand

Twenty-four chapters and six working tools, in one document. Every figure carries its source and its date. Where something could not be verified, it says so instead of estimating.

  • Setup cost and timeline, structure by structure
  • Registered capital worksheet
  • Annual compliance calendar
  • Incorporation document checklist
  • Partner due-diligence checklist
  • A decision tree for choosing your structure

One email, one guide. We do not share your address. Current as at 31 August 2026.

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Thailand Market Readiness Assessment

Ten questions, about five minutes. It captures what a partner search would need to know and checks your MRA eligibility. You get a one page summary you can keep.