What banking group, founded in 1818, sponsors Club Sportive Sedan Ardennes?
Groupe Caisse d'Épargne Groupe Caisse d'épargne is a French semi-cooperative banking group, founded in 1818, with around 4700 branches in the country. The group is active in retail and private banking, as well as holding a significant stake in the publicly traded investment bank Natixis.
Institut supérieur européen de gestion group The Institut supérieur européen de gestion group (ISEG group, French for Advanced European Institute of Management) is a group of two business schools, "ISEG Marketing & Communication School" and "ISEG Business and Finance School", the former created in 1980, and the latter formed in 2014 when "ISEG Business School" and "ISEG Finance School", each also founded in 1980, merged.