Writing down a business plan refers to an activity that is essential for all the right reasons. But how long does the process take? Well, one cannot be definitive about the same because it all depends upon the type of business that you’re about to start. But if we look at successful entrepreneurs, then findings tend to talk about a period between 6 months to a year. Yes, that’s right. On average successful entrepreneurs have taken around 6 to 12 months to formulate a good business plan and make things work for the better. Visit here to know more about business planning.