ESSEI is a Brussels-based non-governmental organization established by professionals and experts in European affairs, international relations, economics and social sciences with the objective of promoting social and economic integration across Europe. The organization works to support European cooperation, policy dialogue, research and capacity building through multidisciplinary and cross-sectoral approaches.

Its mission focuses on analysing and addressing socio-economic challenges affecting European societies while fostering stronger cooperation between institutions, civil society organizations, researchers, policy makers and citizens. ESSEI develops initiatives related to social inclusion, employment, education, youth participation, migration, sustainability and European governance, contributing to informed debate and collaborative problem-solving processes.

The organization is actively involved in research activities, awareness-raising initiatives, conferences, training programmes and international cooperation projects aimed at strengthening European integration and promoting shared democratic values. Through partnerships with organizations across Europe, ESSEI facilitates knowledge exchange, dissemination of good practices and the creation of networks that support innovation and social progress.

By combining research, advocacy and educational approaches, ESSEI contributes to the development of more inclusive, participatory and socially cohesive European communities while supporting evidence-based policy discussions and transnational collaboration.