Supply chain disruptions caused by the prevailing uncertainty in the dynamic business environment have hindered supply chain sustainability substantially. This paper aims to determine and evaluate the most plausible solutions for financing the working capital needs of smart supply chains efficiently. DeMaTEL approach was utilized on the opinions gathered through expert interviews to understand the dynamics and interactions within the system. Factoring has been identified as the most pertinent factor. Additionally, Smart Contracts, Purchase Order Finance, Confirming, and Reverse Factoring depict causal relationships and are identified to have an impact on the occurrence of other factors. Through the use of visual aid, the study provides a structured approach to decision-making providing useful insights for supply chain stakeholders to improve supply chain sustainability.