3. Conclusion
Construction project is very variable and influenced by unpredictable factors. A conceptual model that includes the
grouped critical success factors affecting project success was developed. It was described seven major groups of factors,
namely external factors, institutional factors, projects related factors, project management/team members related factors,
project manager related factors, client related factors and contractor related factors influencing the project success in
Lithuania. For future research, factor analysis method could be used to investigate the underlying relationship among the
identified CSFs to find out the clusters that can better represent all the CSFs and a multiple criteria analysis of alternatives
in order to select the most successful project.