How to activate UTR number

Hello All, I noticed that I am being taxed 30% on my income, and found out that I need to activate the UTR some how. Could anyone help me with information about how to activate online the UTR number? Where exactly do I need to enter on my account to do that? Thank you and regards!

Hi Marian,

You need to register as a Subcontractor What you must do as a Construction Industry Scheme (CIS) subcontractor

Thank you.

How to activate the utr number

Hi Alexandru Ciorba
To activate your UTR you would need to register for Self Assessment.
You can find out more here:
Check how to register for Self Assessment
Thank you.