i didn't send it with application for my kid. they asked for any original and sent a freepost envelope, i have just posted the decision letter with it as i don't have brp on me
ring them and give them your full address, they will let you whether they have anything for you from HO. if not then i would ring UKBA on the letter they provided you
quite scary stories I hear. I will open up another thread about my wife's ILR which should be due in july 2013 but just to double check with peeps over here.
its a normal procedure for most companies to get dissolved and not pay taxes. I do not think it should be an issue but I am no expert in limited companies