It is likely that other banks and lenders will have similar guidelines making the information useful for all.
In the first instance banks will require a form of business plan. RBS have recommend you complete a Business Model Canvas (BMC) based on how you are currently operating. While this may not be all the information you need it will put you in a strong position.
WBS are creating a quick guide to completing BMC which we can email to you by request. We have templates available and these links provide a guide per section: