Sustainable Development (SD) and Corporate Social Responsibility (CSR) have to be among the most important concepts that companies apply and/or promote through specific programmes. As some analyses show, SD and CSR programmes are becoming a constant part of corporate actions, either as part of the company’s PR strategy or as an element of the company’s operational system. The following article offers an overview of the sustainable development and corporate social responsibility concepts, emphasising the importance they have gained at corporate level and pointing out a few aspects that international organisations view as being essential for the future of SD and CSR.