You use the term 'Business Enterprise Scheme'.
Although some Government-backed start-up-for-small-business type schemes do continue to use this term, it applies to networking/advice/offers of office space as far as I know (and not offers of capital injection).
You seem to be talking about business capital.
The old Business Enterprise Scheme that I remember seems to have ceased in 1994 and been superceded by something called Enterprise Investment Scheme (EIS). My source for this assertion is here (amongst other places).
http://www.ashworths.com/ecomm/peaceofmind/con tent/article.asp?id=147&SessionID=&affid=1
Certainly I haven't heard anything about BES and getting investment capital from it for a while.
EIS seems to involve investors putting seed-capital into small businesses - for which they get attractive tax relief on returns. It is not a Government-backed investment scheme (so far as I can find).
So what exactly are we talking about here?
If you are talking about EIS, I do not believe it is Government-backed in the sense you mean it - assurance for the investor he gets his investment back in the event of business failure.