Financial modeling is at the heart of business decisions. It offers a well-defined approach to evaluate the health of finances, project future income, and review risk levels associated with investment. Though there are varied types of financial models varying from simple to very complex in nature, the fundamental remains that of accuracy. The right financial model may assist an organization to prepare budgets and attract investors toward the right financial decision-making process. Here is an in-depth guide on how to develop accurate financial models-from planning and data collection to validation.