5 ways to calculate cash flow forecast for a Start Up - MindCypress Blog When it comes to the financial business tools, a cash flow statement is one of the most vital tools for every business. The cash flow forecast predicts the cash required to run your business or to take it to the next level. The budget of the company completely depends upon the cash required or cash in hand. The cash flow also determines the cash you will about to spend in future for your business. Bifurcation of the tasks into the various steps is the easiest way to prepare the cash flow statement. At the end, you will get all the information. The five major steps to prepare a cash flow statement are as follows: