In recent years, Corporate Social Responsibility (CSR) has emerged as a prominent endeavour in numerous enterprises and organizations. The purpose of this article is to investigate the theoretical aspects of CSR's commercial significance, as well as to identify and analyse CSR practices during COVID-19 in Bangladesh and Singapore. Government funding alone may not be sufficient to offset any adversity's economic and other consequences. Hence, CSR has evolved. This article examines what role CSR played during the difficult COVID-19 pandemic in two countries. The private sector made significant contributions through CSR to healthcare infrastructure and mitigating the economic burden of COVID-19 in both countries.