imagine the scene....
Border Force: Excuse me sir, i need to ring the number of your employer to verify your reason for travel...
Self-employed passenger: Sure thing, the number is 07.......
BF: *rings number
SEP: excuse me, i've got a phone call
BF: hello, i'm with Joe Blogs, could you please verify that he is travelling for work
SEP (Joe Blogs): yup, he is
BF: thank you sir, sorry for bothering you
SEP: no problem, have a nice day... and get some rest, you look tired
i mean seriously..... what really can they do?