How to build a reliable sales forecast for your company? If you want an accurate prediction, this involves intuition, predictive analysis and a really good CRM tool. In this guide we’ll walk you through all the steps you need to take to be successful at sales forecasting. Sales forecasting helps you gauge your revenues in the immediate future. This can be next month, quarter or year, depending on your definition of a sales period. It helps you manage your supply chain, cash flow and perform strategic planning.