Records and paperwork you must keep if you're self-employed - income, costs, profit, how long to keep records.
HMRC will take action if you don't pay your tax bill, like selling your property.
Personal pay and tax records you must keep to fill in a Self Assessment tax return.
Log in and send your Self Assessment tax return online or get help with lost user IDs or account activation codes.
Payment options for your Self Assessment tax bill.
Self Assessment tax return forms and helpsheets for the current tax year.
Use a simpler calculation to work out income tax for your vehicle, home and business premises expenses.
Understanding your Self Assessment statement - what is it, payments on account and balancing payments.