SIAs analyse the potential economic, social, human rights and environmental impact of trade agreements being negotiated by the European Union (EU). They are based on a robust analysis of the changes that are likely to be caused by the trade agreement in the EU, the partner country and developing countries. Equally important, they include wide-ranging consultations of stakeholders in the EU and the partner country. SIAs are undertaken independently by external consultants commissioned by the European Commission. SIA findings and recommendations feed into the negotiations, helping negotiators to optimise the related policy choices.