The article examines the digital transformation of procurement activities as a systemic factor in enhancing the investment efficiency of a construction enterprise. The evolution of the procurement function from basic automation to the integration of intelligent analytical and digital platforms that ensure the reduction of transaction costs, increased cost transparency and improved risk controllability is analyzed. The strategic role of integrated IT systems, BI tools and artificial intelligence technologies in the formation of resilient supply chains and the improvement of project implementation predictability is emphasized. The article substantiates the impact of the digital maturity of procurement on the investment attractiveness of an enterprise, the level of corporate governance and compliance with ESG criteria. It is concluded that the digitalization of the supply function becomes a key condition for the sustainable development of the construction business under conditions of high market uncertainty.