Abstract
The financial statements submitted by each company annually reflect their financial performance in the past but are also utilized to forecast the future results in quantitative and realistic frames. The aim of the following elaboration is to thoroughly research all the issues related to financial modelling. The author step by step introduces the reader with theoretical and practical assumptions related to forecasting of respectively, the profit & loss account, balance sheet account and cash flow statement. All of the issues are illustrated with excel spreadsheets that were prepared exclusively for this article purposes.