METHODOLOGICAL APPROACHES TO THE INTEGRATION OF INVESTMENTS AND MARKETING STRATEGIES IN THE ENERGY SECTOR UNDER ECONOMIC TRANSFORMATION

The article investigates the impact of investment activities of enterprises on the effectiveness of their marketing strategies within the context of transformations of business ecosystems in the energy sector. A comprehensive analysis of contemporary scientific approaches to assessing marketing performance is conducted, including methodologies for evaluating both strategic and tactical effectiveness, profitability indices.The study substantiates the significance of integrating investment decisions with marketing priorities to develop the innovative potential of enterprises, modernize production processes, expand product portfolios, and implement service-oriented business models. The article proposes a concept of synergistic interaction between investments and marketing strategies, which enhances companies’ competitiveness, ensures adaptation to external environmental changes, and creates a value proposition for consumers. Special attention is paid to the role of investments in digital transformation, renewable energy sources, and cross-industry partnerships as key factors in increasing the effectiveness of marketing strategies. The research demonstrates that coordinating investment decisions with marketing goals is a decisive factor in strategic enterprise development, fostering innovation, strengthening brand positioning, and maintaining competitive advantages in a complex and dynamic market environment.The article highlights the importance of marketing in shaping investment attractiveness, structuring communication with stakeholders, and supporting decision-making processes in high-risk and volatile market conditions. Furthermore, the study emphasizes the application of integrated performance assessment tools, including both commercial and non-commercial outcomes such as customer loyalty, corporate reputation, market share growth, and alignment with consumer expectations. The findings confirm that investment-driven marketing strategies contribute to sustainable enterprise growth, facilitate the introduction of innovative products and services, and support the transformation of the energy sector toward more environmentally responsible and technologically advanced models.In conclusion, the research asserts that the synergy of investment and marketing activities serves as a core mechanism for enhancing enterprise adaptability, ensuring strategic objectives are met, and reinforcing competitive advantages in the evolving global energy market.