OP
JUD
I think you'll find it's 12 months minimum trading before you can register with NICEIC:
http://www.niceic.com/Uploads/File2294.pdf
Elecsa don't have a minimum.
You can register with them straight away.
Not sure about the others.
Check out registratation for NICEICNI the northern Ireland branch is 6 months and the rest are pretty much unheard of.
Is there a link to this?