The sole trader tax estimation is only indicative and based on the accuracy of the tax and VAT information you have provided against transactions in your Starling account in addition to any transactions that you have manually added in the bookkeeping tool. It is also based on the accounting information and settings (e.g. National Insurance, Student Loan) in your settings.
This tax tool doesn’t take into consideration other aspects of your self-assessment tax return (e.g. your PAYE earnings), and therefore the estimation is solely based on your self-employment. This may not be an accurate reflection of your overall position when you submit your return to HMRC.
The sole trader tax estimation tool does not currently support tax adjustments for: