you only need 1 pound as investment and a sucker as a business.

Now carefully entice the sucker to buy your 1 pound for 120,000 pounds

Oh and By the way, if you are looking for investors, I will be happy to invest an additional Pound.

Ever heard of putting the cart before the horse? Your question strikes me that way.

I would think you would already have:

1. The amount you have to invest

2. the business you want to pursue

Our estimate of your annual profit would come from that.

Some business plan...