This chapter looks at digitalizationDigitalization in large financial environmentsEnvironment including such powerful multinationals such as Raiffeisen. Their organizational complexity, a potential crisisCrisis trigger, is compounded by extremely fierce competition and some other negative factors. Consequently, portfolio managementPortfolio management for such complex environmentsEnvironment should be based on a thorough multi-criteria optimizationOptimization. Therefore, the supporting original techniques and toolsTool integrate intelligent large-languageLanguage modeling, sentiment analysisSentiment analysis and visualizationVisualization engine. The suggested digitalizationDigitalization pattern, implemented as an APIAPI, significantly improves the prediction accuracy, while the system remains scalable and robust. Customer satisfaction was confirmed by a post-production survey.