You must see this site, its all about director disqualification by a company called www.ndanp.co.uk/

It appears that the penalty for not complying with a director disqualification undertaking can be a prison sentence, something that means that as a Director I really want to make sure I don't get disqualified in the first place. The whole area concerns me and certainly destroys the idea that having a LTD company creates a shield against the law. There are all sorts of things you can do wrong and get it trouble for. Best to get some help I reckon and this firm seems to be a good place to start.