The terms “sustainability” and “sustainable development” come from the 1970s and were initially used in connection with the idea that uncontrolled growth of anything (population, production, consumption, pollution, etc.) is not sustainable when resources are limited. The aim of this responsible business is to increase long-term profits through positive public relations, raise high ethical standards to reduce business and legal risks, and enhance shareholder trust by taking responsibility for corporate actions. In this article, we analyze the results of an empirical study about understanding the corporate sustainability and corporate responsibility of large companies in the Slovak Republic and the relevant laws in the Slovak Republic in the context of sustainable reporting.