Hi I am working as a full-time permanent developer and recently I have been asked to do an extra project from a different company. I am a beginner for freelance job so I wonder how I report my extra income and pay tax. My full-time salary is around 40k(p/a). I will work on the extra project for 4 months where I will earn about £7000. This won't be renewed so it is a single-time project. Could you kindly let me know easy steps about what I need to do for tax? Thank you in advance for your advice.