For tax and Class 2 / Class 4 National Insurance, use one of these instead:
Stop searching for an all-in-one “Nutmeg tax tool” – it doesn’t exist. Instead, do this: nutmeg self employed calculator
Nutmeg is a UK-based digital wealth manager. They help people invest in Stocks & Shares ISAs, Lifetime ISAs, and Pensions. For tax and Class 2 / Class 4