Self Assessment Tax Return Guide 2025. Self assessment tax returns is a system to report your income and calculate how much tax you owe to hmrc. You can check your personal tax account (pta), which will show the date you submitted the application to cease self.
You can contact us after the 6th of april 2024 to register for self assessment for 2024/25 onwards. Use the self assessment tax calculator to estimate your self assessment tax bill for the 2024 to 2025 tax year.