The purpose of this research is to study the characteristics of construction holdings and introduce management strategies to improve holdings performance through systematic evaluations. The new strategy introduced in this research is a tool for integrating and configuring existing managerial methods with evaluation methods for making managerial solutions. The huge volume of data and difficulty in separation of useful data is one of current difficulties in mega companies. The direction of this research after studying the literature and reviewing the research gap in the field of performance evaluation models, includes presentation of problem design and general concepts, research methodology and research achievements, which is a guide and a model for companies to use. Having suitable evaluation indicators in every management area of companies can be a decision support for managing issues in organizations. The topic of research is to present a model of integrated performance assessment of construction holdings and to continuously improve performance of these organizations. The focus of the discussion is to enhance the organization's capacity in holdings solutions and integrate functional tools of performance evaluation. To achieve the goal of this study, steps have been taken to establish evaluation and integration systems for achieving results that are more effective in order to catch desired results. The final achievement of this research is to provide a validated assessment method for construction holdings to enhance ability for data processing and management of sub-companies.
