Just took a look at your website and see you put you use the latest deep cleaning hot water extraction machine!
You are quiet right to look beyond a Rug Doctor Pro.
To live up to your description you will need to be spending (new) in the region of £2000 and more for a machine, hoses, wand, hand tool etc.
My favoured machine would be at world of clean
This will be about £3300 inc hoses, wand, handtool.
There are cheaper machins on the market, but I use that machine myself and does everything I want.
If you have no formal training in carpet cleaning I would recommend an investment in that area too - try
www.ncca.co.ukYou will get plenty of help from this area of the forum just by asking.