this study is about the relationship between sustainability and business success, be it in terms of operational results or in terms of increased value for stakeholders. it seeks to understand how sustainability generates a strong competitive advantage and consequently more profits . the results were obtained from a questionnaire answered by ten portuguese companies and through interviews with pr and business managers. through data analysis, it was found that when investments in activities, corporate actions or programmes are connected to practices of sustainable management and good communication, the chances of business success increase.
