Set up as self-employed (a 'sole trader'): step by step
What you need to do when you start working for yourself, either as your only job or at the same time as working for an employer.
Step1:Check if being self-employed is right for you
Step2:Choose the name you want to trade under
Step3:Check what records you'll need to keep
Step4:Register for tax
Further information:
https://www.gov.uk/set-up-self-employed