Setting up as self-employed and tax

Please note: Tax guidance from HM Revenue & Customs can be found on the GOV.UK website. We provide links to the key information below.

Estimate your Self Assessment tax bill
Use the Self Assessment tax calculator to estimate your Self Assessment tax bill for this tax year.

Set up as a sole trader
Become a sole trader with HM Revenue and Customs - your legal responsibilities if you run a business as a self-employed sole trader.

HMRC calculators and tools
Find and use tools and calculators that will help you work out your tax.