Maintenance of financial fluency is contemporarily main problem of the majority of enterprises. The process of the sale of articles, goods and services is mostly implemented in the non-cash form. This means, that the enterprises give customers the merchant's credit, and freeze financial recourses in postponed payments, the amounts due of the firms. The lack of income from the sale can bring serious consequences in functioning of the enterprise, and even lead to its bankruptcy. That is why the smart recovery of amount due for sold goods or services is so important. This is particularly essential problem in the crisis time, conditions of the asymmetry of information and appearing difficulties in gaining the definite funding sources, allowing covering formed charges. The article describes functioning of factoring in the conditions of Poland, as the sources of funding the investment of firms in amount due, with the special regard to the influence of the financial crisis of XXI century.