How To Write A Business Plan And Model . A business plan is a document that communicates a company’s goals and ambitions, along with the timeline, finances, and methods needed to achieve them. When a company or startup has a substantial capital. How to Write an Effective and Simple Business Plan? from medium.com It comes first in your plan. The title page captures the legal information of the business, which includes the registered business name, physical address, phone number, email address, date. The executive summary is an overview of your business and your plans.