You need to have a National Insurance Number (NINO) if you are working in the UK.
It is free to apply - you do not need to pay anyone to apply for you.
You can apply for a National Insurance Number if you:
-live in the UK
-have the right to work in the UK.
-are working, looking for work or have an offer to start work
The application process for a NINO can take up to 4 weeks.
You apply online.
Helpline Telephone: 0800 141 2079
If you have a BRP (biometric residence permit), you might have a National Insurance number already - it will be printed on the back of your BRP.