ONDIRKO, David: Preparation and evaluation of the company's investment efficiency. (Master Thesis) – Technical University in Zvolen. Faculty of Wood Sciences, Department: Economics and Managementof Natural Resources.Leader of the Master Thesis: Ing. Martina Merková, PhD., Degree: Master (Ing.) - Zvolen: TU, 2017The master thesis deals with the current way of storage of energy digest and fuel wood in the warehouses of company X.Y a.s. Which operates in the Banskobystrický region. The aim of the master thesis was to propose the most suitable variant of storage of energy digest and fuel wood for X.Y a.s. Using dynamic project evaluation methods. The first chapter of the master thesis contains theoretical knowledge and concepts of the given issue. The second chapter defines the aim of the diploma thesis. The third chapter contains a methodology of work. The fourth chapter focuses on the results and the evaluation of X.Y and.s. Is the most suitable option for the storage of energy digest and fuel wood, variants number one, namely the construction of the energy digest storage facility and the construction of the fuel storage facility.