The study aims to investigate the mediating role of supply chain financing on the relationship between negotiation, collaboration, and digitalization with the supply chain effectiveness of Alfamikro partners. The study involves 261 owner micro-retailers of Alfamikro partner members in the Tangerang area as respondents. The study employs the Structural Equation Modeling (SEM) analysis technique with the help of the AMOS program. The results showed that there was an influence supply chain finance on supply chain effectiveness in the Alfamikro program. Collaboration and digitalization affect supply chain financing, but negotiations do not influence the supply chain financing. The study also found that supply chain financing mediates in increasing the effect of collaboration and digitalization on supply chain effectiveness. While supply chain financing does not mediate the relationship between the negotiations and supply chain effectiveness, therefore, micro-retailers and their suppliers can build strong relationships through collaboration and digitalization. Micro-retailers can engage suppliers to work under strategic alliances through cooperation, and digitalization.