HYRIAK, Peter: Audit of investment project [Diploma thesis]. Technical University in Zvolen, Department of Economics, Management and Business. Supervisor: doc. Ing. Josef Drábek CSc. Academic degree: Engineer (Ing.), study programme: Economics and Management of Natural Resources. 2019. 66 p. The aim of diploma thesis is to carry out an economical audit in chosen enterprise after one year of providing services in existing business environment. Based on the analysis of the capital gains, expected revenues, capital and sales, the thesis uses dynamic methods and net cash flow analysis to evaluate the project of audit. Theoretical part of diploma thesis defines keywords, which are economical audit, its development and usage. Practical part is dedicated to comparison of investment project with real investment price and comparison of anticipated and real revenues after the one year period of providing services. The last part of the thesis contains of recommendations that will help the enterprise to be more efficient in the future.