This chapter delves into the intricate nexus between sustainability, financial innovation, and digital marketing, highlighting their symbiotic roles in advancing circular technologies within a global context marked by economic volatility and environmental exigencies. Through a synthesis of case studies and analysis of current affairs, it elucidates how corporations leverage cutting-edge marketing strategies and sustainable finance mechanisms—ranging from blockchain to green bonds—to foster the proliferation of circular economic models. Moreover, the exploration of global developments underscores the relevance of systemic transitions towards ecological equilibrium, as complex socio-economic forces shape future business paradigms. This discourse serves as a critical examination of the interwoven technological, financial, and environmental dynamics propelling the contemporary sustainability agenda.