Shareholder value maximization should be an integral goal for any company, including financial institutions. The object of the given research is the concept of bank value. The current research is a sequel of the authors’ earlier conducted researches in the fields of value-based management and sustainable development. The goal of the research is to verify the validity of the developed structural model of the concept of bank value. We used triangulation or multi-methods to ensure the validation of the developed model: (1) the academic staff with finance-related specialization from European universities was surveyed, using the mail questionnaire method, and (2) using the program AQUAD, the authors conducted a content analysis of the text segments, extracted from the description of the different value creation models. The paper offers the advanced conceptual model of bank value. The model combines the ideas proposed by relationship value management, value-based management, and concept of sustainable development.