The COVID-19 pandemic which has lasted for more than one year to date has had a significant impact on the sustainability of the company's business. This study aimed to explore how the influence of Corporate Social Responsibility (CSR) on stakeholders in dealing with the COVID-19 pandemic crisis on Corporate Sustainability (CS). Quantitative research was conducted with a component-based approach to structural equation modeling using Web-based GeSCA's generalized structured component analysis. Questionnaires were distributed online for the period November 2020 to January 2021 to the companies listed on the Indonesia Stock Exchange (IDX), and 27 companies responded. From a stakeholder management perspective, this study reveals that the effect of CSR on primary and secondary stakeholders on CS was not significant, but has a positive and significant effect on the Quality of Stakeholder Relations (QSR). Furthermore, QSR has a positive and significant effect on CS and QSR mediates the relationship between CSR to primary stakeholders and secondary stakeholders with CS. This research has a contribution of the important role of QSR as mediation of the relationship between CSR and CS. In this research, the CS variable is only limited to the financial context of the company and its customers. Therefore, further study is suggested to explore the relationship of CSR, QSR, and CS, with broader context such as ESG, SDGs metrics for different industries in different countries.