Rhestr o Wasanaethau Cymraeg

A list of GOV.UK services available in Welsh.

Self Assessment

• Cyflwyno’ch Ffurflen Dreth Hunanasesiad ar-lein
• Cryptoasedau ac Hunanasesiad
• Gwirio’ch cryptoasedau ar gyfer Hunanasesiad

English pages

• File your Self Assessment tax return online
• Cryptoassets and Self Assessment

Not all pages on this service have been translated yet. Links from Welsh pages to untranslated pages open the English version.