Singapore taxes on a territorial basis with a remittance-based exception: Singapore-source income is taxed regardless of residence, and foreign-source income is generally exempt unless remitted into Singapore - though foreign dividends, branch profits, and service income can often qualify for full exemption on remittance under Section 13(8) of the Income Tax Act, provided the income was subject to tax abroad at a headline rate of at least 15%. Singapore operates a self-assessment system for both individuals and companies, administered by the Inland Revenue Authority of Singapore (IRAS).
The Singapore tax year (Year of Assessment) is based on the calendar year for individuals (income earned in one calendar year is assessed in the following Year of Assessment). The individual e-filing deadline is 18 April of the Year of Assessment (paper filing deadline is earlier, 15 April); corporate filing deadlines follow the company's own financial year-end, generally due within specified months after that year-end.
Singapore's headline corporate income tax (CIT) rate is 17%.
The headline personal income tax (PIT) rate is 24%.
The standard VAT/GST (or equivalent consumption tax) rate is 9% (GST).
An individual is a Singapore tax resident for a Year of Assessment if they are a citizen or permanent resident who normally resides in Singapore, or a foreigner who stayed or worked in Singapore for 183 days or more in the preceding calendar year (or across a continuous period straddling two calendar years, provided the total stay is at least 183 days - an administrative concession that also extends residency treatment to both years involved). Foreigners holding a work pass valid for at least a year are also treated as resident, subject to review at tax clearance. Days need not be consecutive. Residents are taxed on Singapore-source income and remitted foreign income at progressive rates; with limited exceptions, Singapore does not tax foreign-source income at all, even where deposited locally. Non-residents face a flat 15% rate or the resident progressive rate, whichever is higher.
A non-Singapore entity has a Singapore permanent establishment through a fixed place of business or a dependent agent habitually concluding contracts in Singapore on the entity's behalf, following the OECD Model Treaty definition as applied under Singapore domestic law and any applicable tax treaty.
Singapore has no Controlled Foreign Company regime. Undistributed profits of a foreign subsidiary controlled by a Singapore resident are not attributed to that resident regardless of where or how lightly the subsidiary is taxed.
Singapore has no formal thin capitalization or fixed debt-to-equity rule. Interest deductions can still be restricted or denied under Singapore's general anti-avoidance provisions and transfer pricing rules where financing arrangements are not on arm's-length terms.
Singapore does not use an elective check-the-box classification system; entity classification generally follows the entity's actual legal characteristics. Singapore has not adopted a comprehensive ATAD2-style anti-hybrid regime in the EU sense, though Singapore-structured entities are frequently affected by OTHER countries' anti-hybrid rules (particularly EU counterparties') when used in cross-border holding structures, given Singapore's role as a major regional holding-company jurisdiction.
No foreign bank account or foreign financial asset reporting regime exists in Singapore requiring residents to separately disclose foreign accounts; Singapore's own territorial tax system means foreign-source, non-remitted income is generally outside the Singapore tax base to begin with, reducing the practical need for such a regime.
Singapore does not operate a participation exemption in the conventional EU sense, but achieves a broadly similar outcome through its territorial system's foreign-source income exemption (see Tax System above): foreign dividends remitted to Singapore can qualify for full exemption under Section 13(8) of the Income Tax Act, provided the paying jurisdiction's headline corporate tax rate was at least 15% at the time the income was earned, without a specific minimum ownership percentage or holding period required by the statute itself (though the exemption's anti-abuse conditions are assessed on the specific facts).
Singapore has a real foreign tax credit regime available to both individuals and companies, crediting foreign tax paid against Singapore tax payable on the same foreign income, capped at the lower of the foreign tax paid or the Singapore tax attributable to that income - though Singapore's territorial exemption system (see Tax System above) often makes the credit unnecessary in practice, since much foreign income is exempt from Singapore tax outright rather than taxed-then-credited.
Singapore has signed 98 comprehensive double tax agreements plus 8 limited DTAs (covering only shipping and aviation income) and 2 tax information exchange arrangements. Notably, Singapore has no comprehensive income tax treaty with the United States - only a limited 1985 shipping and aviation agreement and a Model 1 FATCA intergovernmental agreement, neither of which reduces US income tax for individual Americans. To claim treaty benefits, both individuals and companies must obtain a Certificate of Residence from IRAS; since 2025, foreign-owned holding companies claiming treaty benefits must demonstrate real economic substance in Singapore (genuine executives based there, not just administrative support).