Corporate social responsibility activities are now confronted as one of the most important factors affecting the reputation of organizations. For this reason, organizations have to be a responsible besides being a good producer of goods and services. With all these, today’s emerging internet technologies offers many important opportunities for organizations to describe themselves to their environment and target groups. So in this study a document analysis has conducted through Turkey’s most valuable 10 brands according to Brand Finance 2017 report. Research conducted via their corporate web sides and social media accounts for examine to how they announce their CSR messages via Web and social media. The findings have shown that the majority of organizations have a careless CSR pages on their web sites. However, it has been determined that sharing rates related to CSR are low in social media accounts of organizations.