The present article aims to show the ethical components of Social Responsibility and Sustainable Development of the Ecopetrol S.A. company. Thus, the global expansion of companies due to globalization and internationalization has shown them the way to achieve a position in the different world markets, which enables them to generate value and wealth, but they must also comply with Social Responsibility and promote sustainable development (growth), all based on an ethical framework. This leads companies to build trust between partners, suppliers and collaborators, based on Corporate Social Responsibility (RSE), within an environmental and economic framework.