The Isle of Man taxes residents on worldwide income and non-residents on Isle of Man-source income only. The Isle of Man has no CFC regime. The Isle of Man operates a self-assessment system, with the Income Tax Division conducting post-filing review.
The Isle of Man tax year runs 6 April to 5 April, following the UK convention.
Isle of Man's headline corporate income tax (CIT) rate is 0% (10% banks; 20% real estate/petroleum; 15% certain banking/large retail).
The headline personal income tax (PIT) rate is 21%.
The standard VAT/GST (or equivalent consumption tax) rate is 20%.
The Isle of Man has no single statutory definition of individual residence; an individual intending to establish residence is treated as tax resident from the date of arrival, and separate physical-presence rules apply mainly to catch people claiming non-residence despite regular time on the island - broadly, presence of 183 days or more in a tax year, or an average of 91 days or more per year over four consecutive years, triggers residence. Resident individuals are taxed on worldwide income; non-residents are taxed on Manx-source income only, at a flat rate (21% per a 2026 KPMG assignee guide). A company incorporated in the Isle of Man is resident under Section 2N of the Income Tax Act 1970, unless it proves central management and control abroad, tax residence there under that country's law, and either treaty tie-breaker residence there or a foreign corporate tax rate of 15% or more. A company incorporated elsewhere is resident if managed and controlled in the Isle of Man - generally, where the board of directors meets.
A non-Manx entity has an Isle of Man permanent establishment through a fixed place of business or a dependent agent habitually concluding contracts in the Isle of Man on the entity's behalf, following the OECD Model Treaty definition as applied under Manx domestic law and any applicable tax treaty.
There is no CFC regime in the Isle of Man, corroborated independently by two further sources. Note that this refers only to Isle of Man domestic law - a beneficial owner tax-resident elsewhere (for example the UK) may still be caught by their own home country's CFC rules with respect to an Isle of Man company they control; that is a question about the owner's home jurisdiction, not about Isle of Man law.
There is no specific thin capitalisation rule in the Isle of Man, corroborated independently by a second source. The Isle of Man also has not enacted general transfer pricing regulations, per a company-formation guide.
The Isle of Man does not use an elective check-the-box classification system; entity classification generally follows the entity's actual legal characteristics. The Isle of Man does not have a comprehensive ATAD2-style anti-hybrid regime.
No foreign bank account or foreign financial asset reporting regime exists requiring residents to separately disclose foreign accounts; foreign income is reported through the standard annual tax return.
The Isle of Man does not levy tax on most corporate income under its 0% standard corporate rate already described elsewhere on this page, which functions as a broader substitute for a conventional participation exemption on dividends received by a Manx company.
The Isle of Man has a foreign tax credit mechanism for foreign tax paid on foreign-source income also taxed in the Isle of Man, capped at the Manx tax otherwise due on that income.
As of 31 December 2024, the Isle of Man has 11 comprehensive double tax agreements, 13 limited-scope DTAs, and 39 Tax Information Exchange Agreements (TIEAs) based on OECD models. Comprehensive-treaty partners cited across sources include the UK, Singapore, Luxembourg, Bahrain, and Malta; limited-scope agreement partners include Australia, Denmark, Poland, the Faroe Islands, Finland, Greenland, Iceland, Ireland, New Zealand, Norway, Slovenia, and Sweden. Assignees from other jurisdictions generally have no treaty protection at all.