Groupe BPCE is a French banking group that operates as a cooperative bank and insurer, serving its clients and the economy. It is the second-largest banking group in France and finances 20% of the country's economy. The group has several subsidiaries, including Banque Populaire, Caisse d'Epargne, and Natixis, and is involved in various activities such as retail banking, corporate and investment banking, and asset management.