CSES was founded in 1999 and has developed expertise in ten Practice Areas including research and innovation, entrepreneurship and access to finance, industrial policy, investment promotion, education and culture, justice and home affair, regional development and Brexit.

CSES has undertaken an extensive range of work in the UK, the rest of Europe and other international markets for clients such as the UK Government, the NHS, the European Commission, European Parliament, EU Agencies, the European Investment Bank, the Committee of the Regions, the European Economic Area, and international clients such as the European Science Foundation, the United Nations and the World Bank.

CSES Europe is a Dublin-based wholly-owned subsidiary of CSES LLP and was set up in June 2018 to ensure continuity in the provision of services to the EU institutions post-Brexit.

CSES personnel come from a diverse range of subject backgrounds and evaluation and research disciplines, including economics, law, political and social sciences and cybersecurity.