I don't know exactly what evidence was provided although I've emailed him to find out. He is working as a painter and is currently finding work through advertisements. He hopes with a national insurance number he can work as a sub contractor which would pay better. I guess the question I'm asking is...

Hi A Bulgarian friend of mine has asked me for some help. He has moved to London from Bulgaria and is self employed. He has tried to apply for NI number twice but he has been refused. The letter says "We have carefully considered the evidence you provided and, where necessary have made further ...