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Thailand Tax Information

7% VAT

VAT is 7%. Registration required above 1.8 million THB annual revenue.

Architect Services to Invoice

  • Schematic design
  • Design development
  • Construction documents
  • Permit drawings
  • Site planning
  • Interior architecture
  • Project management

Invoice Requirements in Thailand

Tax ID number
VAT registration
Client details
VAT (7%)
Total in THB

Payment Terms

Phase-based billing. Percentage at each milestone. Retainer for ongoing projects.

เงินสด30 วัน45 วัน60 วัน

Payment Methods in Thailand

Bank TransferPromptPayCredit CardCash

Architect Invoice Tips

  • Reference project phases
  • Include deliverables per phase
  • Note reimbursable expenses
  • Document design changes
  • Track percentage complete

Frequently Asked Questions

What tax rate applies to architect invoices in Thailand?

Thailand has 7% VAT. VAT is 7%. Registration required above 1.8 million THB annual revenue.

What payment methods are common for architects in Thailand?

Common payment methods in Thailand include: Bank Transfer, PromptPay, Credit Card, Cash. Phase-based billing. Percentage at each milestone. Retainer for ongoing projects.

What should architect invoices include in Thailand?

Your invoice should include: Tax ID number, VAT registration, Client details, VAT (7%). For architect services specifically, also include: Schematic design, Design development, Construction documents.

How should architects bill for projects?

Percentage of construction cost, fixed fee by phase, or hourly. Phase-based is standard.

What about design changes?

Include scope of changes and bill as additional services beyond original scope.

What is Thailand's VAT rate?

7% on most goods and services. Exports are zero-rated.