The key factor of your business successful is the market your business, that is why it is vitally important to develop a solid, workable marketing plan. A marketing plan is a plan for using the marketing resources that you have to achieve your marketing objectives. Before the preparation of the marketing plan the entrepreneur will need to complete the industry analysis section of the business plan. The key factor of your business successful is the market your business, that is why it is vitally important to develop a solid, workable marketing plan. A marketing plan is a plan for using the marketing resources that you have to achieve your marketing objectives. Before the preparation of the marketing plan the entrepreneur will need to complete the industry analysis section of the business plan.