In the course of writing the scientific article, an in-depth study of aspects of financial management in the context of international projects was conducted. The focus was on analyzing cost optimization strategies and achieving success in a global investment and financial management environment. The conducted research shows that in the modern world of globalization, it is important to understand and effectively implement financial management strategies that take into account the unique aspects of international business. Particular attention is paid to the identification of risks related to the external environment, such as currency fluctuations, political and economic risks, which affect the effectiveness of financial decisions. Particular attention is paid to the use of specialized financial instruments to reduce risks, such as risk management and multi-currency settlements. The article analyzes in detail the influence of financial decisions on the effectiveness of international projects, emphasizing the strategic context of profit maximization and ensuring the stability of the financial position. The study of the interaction of financial mechanisms in international transactions takes place in the context of the unique challenges of the global business environment, including currency fluctuations and political and economic risk. In addition, the article summarizes recommendations and strategies aimed at achieving maximum efficiency and sustainability for international projects through careful strategic planning and cost optimization. A detailed analysis of various mechanisms of financial management in the context of global investments has revealed key principles that can serve as a basis for solving complex financial management tasks in international business.