Yes another self employed discussion

albion:
Under UK terms, you are self employed Andrew, you have your own truck. I’ve been to RHA conferences, Sat in on transport solicitors seminars and it’s Crystal clear. If you are a driver, to be self emoyed, you have to have a truck. It really is that simple.

I’m not sure if it is that simple, after all what is an agency except a ltd company sending a driver to a company, the agency doesn’t have their own trucks?
So why isn’t a ltd company company driver an agency with only one driver on their books, provided you fulfill the criteria set out by the HMRC?