The concepts of strategic and tactical issues of finding sources of financing for the company``s activities are revealed. The manual is devoted to the formation and implementation of the company``s financing strategy, the choice of sources of financing for the company``s activities, the strategic foundations of planning the investment attractiveness of the company, methods of assessing their effectiveness. The textbook defines the basic concepts of financing the company``s activities, types of funding sources, the role of external and internal sources of financing for the development of the company, the usefulness of financial investments for each entity. In order to better assimilate the material, questions for self-control are given, links to the modern literature used are given. There is a step-by-step task on the analysis of an investment project from the point of view of finding sources of its financing, carried out during the lessons of this discipline by students Elizarova O. and Kutyreva-Ilyina A. The textbook is intended for students, graduate students, teachers, students of the professional retraining system, other educational institutions studying modern economics and financial aspects, as well as accountants, economists and managers of organizations, financiers.