Help and support from HM Revenue and Customs (HMRC) on self-employment.
Videos on YouTube
You can use HMRCs free online guides to help you get things right first time.
Setting up and running your own business, an online guide about how to register your new business with HMRC, keeping records, sending your tax returns and payments.
Self-employed business expenses, an online guide about allowable business expenses, capital allowances and simplified expenses.