As in the construction business, the stability of a house depends on the foundation, the business plan is the foundation of a successful enterprise, and it is the guide to the attainment of a company's goal. A professionally prepared business plan helps to justify to external investors why investment in this or that project would be beneficial.
A company (enterprise) has two ways of obtaining such a business plan: “do it yourself”, i.e. in case someone in the company is experienced in this kind of work and there are possibilities and means to carry out an internal study, or order it from professionals, who have the necessary experience and methodology and whose achievements have been proven in practice.