The article deals with project management methods applicable in the implementation phase of the project (Project Percent Complete Method, Structured Status Deviation, Milestone Trend Analysis and Earned Value Management) from the perspective of selected chemical companies operating in the Czech Republic. Its main objective is to provide a comprehensive view of the issue. In accordance with defined partial objectives, results were formulated and discussed using analysis, synthesis, comparison and deduction. The authors assessed the suitability of project management methods applicable in the implementation phase in terms of the type of projects. Their software support was evaluated. Their application by selected chemical companies in the Czec...