If you are starting from scratch and dedicate full days, it's possible that you can complete it in a week using this outline to jump start you. This estimate assumes you are good using power point or google slides, excel or google sheets, understand some finance and have some thought already done about the elements of your business. If you have to learn the programs themselves and elements of business such as market sizing, what is a cash flow statement etc... it will take you longer. This business plan template will get you jump started.