The article analyzes the conceptual approaches to the formation of a system for ensuring the competitiveness of economic entities in the face of new challenges, taking into account the future prospects of economic development. An important element in the formation of competitiveness in martial law were not only indicators of efficiency of the enterprise, but also the type of activity. The article notes that construction companies are most relevant in the period of military conflicts and the postwar period. The construction industry is the basis for the formation of a system of restoration of peaceful life, restoration of residential, industrial, and later commercial real estate, material and technical base. Thus, the article assessed the competitiveness of construction companies in order to determine their potential to work in the new large, which is highly relevant. The main tasks of assessing the competitiveness of a construction company were identified as a set of factors that affect the final indicators (results) of the enterprise. The article proposes an algorithm for assessing the competitiveness of the enterprise by the method of in-depth analysis of the financial and economic condition of insolvent enterprises. The main objectives of the analysis of competitiveness by the proposed method are the dynamics and currency structure of the balance sheet of the enterprise; sources of own funds; structure of accounts payable; asset structure; profitability of the enterprise. To fully analyze the competitiveness of the enterprise, the following indicators were calculated and conclusions were made on the impact of their change on the economic situation: autonomy ratio, financial stability ratio, working capital turnover ratio, working capital turnover time, inventory turnover ratio, inventory turnover time and others. The efficiency of the enterprise and its competitiveness are determined by rating based on a comprehensive analysis. The article proposes a comprehensive algorithm for assessing the competitiveness rating of construction companies based on data from financial and economic work and planning, which allows to ensure mobility, system, multifunctionality and integration of competitiveness assessment processes. The results of the study can be used by construction companies, customers, developers, investors, suppliers and other stakeholders engaged in construction activities.