Business service
        All companies and other forms of legal entities registered under Thai Law and those registered under foreign law but which carry on business in Thailand are subject to corporate income tax - companies registered under Thai law on their world wide income, and others on the net profits arising from business activities in Thailand.

        In general, taxable income includes all types of income which are likely to be earned by a juristic corporation. All realised gains are defined as income (including capital gains) regardless of the regularity of receipt of such gains. Thailand does not impose a separate tax on capital gains. Tax losses incurred in any accounting period may be carries forward for a maximum of five consecutive accounting periods and set off against profits of whatever nature. There is no provision for the carry back of tax losses in Thailand, nor is there provision for corporate group relief of losses.

        The current scale of income tax rates for (resident and non-resident) individuals is as follows :

Personal tax rates

        These rates apply to income afeter allowances for instance an allowance of Baht60,000 for "expenses" Where an employee's tax (on any part of his income - eg accommodation allowance) is borne by the employer, the salary received by the emplotee is deemed to be net of income tax resulting in the tax liability being computed on a pyramid basis.