What about a business overdraft.
If you are earning enough, and the books show you are making a profit, you can have upto £20,000 easily agreed over the phone set up in a few days after paper work signed off.
Our banks calls £1000 a unit. You pay around £10 per unit to have the facility.
A loan would be required to purchase something, machine, tools, van and overdraft is instantly there and can be used for anything and they do not need to see proof of product.
Dave