Mališ, Radoslav: Investment activity and company development [Master thesis]. Technical University in Zvolen. Department of Enterprise economy. Supervisor Ing. Martina Merková, PhD. Zvolen : Faculty of Wood Science and Technology Tuzvo, 2017 - s., (85 728characters, including spaces). The aim of this Master thesis is to evaluate the effectivity of company investment activity focused on acquisition of wood chips for energy company. Theoretical aspects of this work describes terms such as investments, investment projects, effectivity of investment projects, resources for financing of investment projects and topic of biomass and wood chipping machines. Practical part of this work contains application of theoretical knowledge. By modeling of optimal variant for acquisition of wood chips based on lowest operating costs we selected the best variant for the company. We have supported investment and financial decision making of company by application of dynamic methods.