Thailand-US treaty: status and key articles
The Thailand-US tax convention has been in force since 1996. Coverage includes income tax, dividends, royalties, interest, capital gains, pensions, and residency tie-breakers.
- Article 7 (Business Profits): Thai-resident operating profits are taxable only in Thailand without US PE.
- Article 10 (Dividends): 10% for 10%+ ownership. 15% standard.
- Article 11 (Interest): 10-15% on portfolio interest.
- Article 12 (Royalties): 5% for copyright. 8% for industrial. 15% for some other types.
- Article 25 (Relief from Double Taxation): Thai FTC mechanism.
Withholding rates by income type for Thai residents
| Income type | Default US rate | Thailand treaty rate |
|---|---|---|
| US-source dividends (10%+ ownership) | 30% | 10% |
| US-source dividends (standard) | 30% | 15% |
| US-source portfolio interest | 30% | 10-15% |
| US-source royalties (copyright) | 30% | 5% |
| US-source royalties (industrial) | 30% | 8% |
| US-source royalties (other) | 30% | 15% |
| Business profits without US PE | Generally not taxed | Generally not taxed |
How Thai Revenue Department treats US LLCs
Thailand's Revenue Department generally treats US LLCs as transparent for Thai tax purposes. LLC operating income flows through to your annual Thai income tax return if you are a Thai tax resident (180+ days in Thailand).
Many digital nomads based in Thailand are not Thai tax residents (under 180 days/year). For non-Thai-tax-resident founders, LLC pass-through aligns with home country tax residency, not Thai tax. The treaty still matters if Thailand is the LLC member's tax residence.
How to file W-8BEN-E from Thailand
- Line 1: LLC legal name
- Line 4: Chapter 3 status: Disregarded Entity
- Line 5: Country of residence: Thailand
- Line 6: Permanent residence address in Thailand
- Line 8: US TIN (EIN)
- Line 9: Foreign TIN (your Thai Tax Identification Number)
- Part III: claim treaty benefits citing the applicable article
Common mistakes by Thai founders and nomads
- Confusing Thai tax residency rules (180+ days) with treaty eligibility
- Not filing W-8BEN-E with US payers (30% default applies)
- Missing Form 5472 + 1120 ($25K penalty)
- Not declaring LLC income on Thai tax return if Thai tax resident
- Missing Thai VAT registration if selling digital services to Thai consumers