The understanding and management of environmental and social performance is a prerequisite for realising sustainable development and should therefore be a basic asset for a company’s competitiveness. At the same time, in the wake of a series of corporate scandals such as oil spills and sweatshop labour, there has been significant pressure from the public for businesses to be more accountable and transparent in their activities. Shareholders are also becoming increasingly vocal in their demands for non-financial information on business activities.