In this master's thesis, a business plan for the realization of the investment project of opening a grocery store was created. After the initial data on the investment project and the investor's evaluation, the following analyzes were carried out: market analysis, technical and technological analysis, location analysis, protection of the human environment, analysis of the dynamics of investment realization, economic-financial analysis and risk analysis. On the basis of previously made analyses, an assessment of the investment project was carried out based on static and dynamic assessments methods. Of the dynamic assessments methods, the following dynamic methods will be carried out: return on investment period (ROI), net present value (NPV), internal rate of return (IRR) and profitability index (PI). An analysis of the sensitivity of the investment project will also be carried out using the change of two selected critical parameters, and the application of a combined critical parameter. Based on the conducted analyses and evaluations, in a conclusion assessment rating of the justification of the realization of the investment project will be given.