How To Write A Buisiness Plan . Here are some tips on how to write a business plan for both big and small businesses: Include a cash flow forecast, usually broken down on a monthly basis and presented as a spreadsheet. FREE 12+ Sample Business Plan Outline Templates in Google Docs MS from www.sampletemplates.com Examine the current goal of the company and suggest how the proposed goal or mission will contribute to the organisation’s success. Include your mission statement, your product or service, and basic information about your company’s leadership team, employees, and location. Let’s take a look at two scenarios, involving ownership of rental property.