Guernsey, Channel Islands

Individual - Foreign tax relief and tax treaties

Last reviewed - 30 June 2023

Foreign tax relief

Unilateral relief is available for tax paid in other jurisdictions at up to three-quarters of the lower of the effective rate of Guernsey tax and the overseas rate.

Tax treaties

Guernsey has signed tax information exchange agreements (TIEAs) with 61 jurisdictions and full double taxation agreements (DTAs) with Cyprus, Estonia, Hong Kong, Isle of Man, Jersey, Liechtenstein, Luxembourg, Malta, Mauritius, Monaco, Qatar, Seychelles, Singapore, and the United Kingdom. Taxes paid in these jurisdictions, other than those paid on dividends or debenture interest, are allowed as a credit against Guernsey income tax payable. The revised Guernsey-UK DTA came into force in respect of Guernsey income taxes on 1 January 2020. The provisions of Article 27, concerning assistance in the collection of taxes, entered into effect from 1 January 2022.