In the business plan, you will be expected to demonstrate the market analysis, entry strategy, and marketing strategies. Remember that the need for local clients is also dependant on the nature of the business.
For example, if the business is in the export sector, the chances are that the clients will be abroad. Before making an application for entrepreneur visa, it is prudent to carry comprehensive market study to establish where the customers are. If they are abroad, you need to vividly demonstrate the chain of distribution that will be used to operate profitably.