The article is devoted to the analysis of the processes of formation and management of a portfolio of banking services for corporate clients. The key aspects of banks' interaction with corporate clients, including segmentation, personalization, risk management, and digital technology adoption, are being explored. Special attention is paid to current market issues such as high competition, the increasing complexity of customer needs, digitalization, and regulatory constraints. Statistical data and examples of successful strategies of Russian and foreign banks are presented. The prospects for development, including the introduction of an ecosystem approach, cooperation with fintech companies and the development of sustainable financial products, are considered. The findings highlight the need for a systematic approach, innovation, and flexibility in managing the banking portfolio to ensure competitive advantages and meet customer needs. It is concluded that success depends on the bank's ability to adapt to customer needs, innovate, and effectively manage risks. To achieve competitive advantages, banks must use modern technologies, improve the quality of their services, and actively respond to market changes.