As a subsidiary of the La Poste Group, Poste Immo manages, maintains, develops and promote an exceptional stock of around 6.4 million sq.m, among which almost 4 million sq.m on unrestricted ownership, representing more than 10,985 tertiary, industrial and commercial buildings in France. Poste Immo has recently launched a call for projects on the Palais du Commerce, in collaboration with the City of Rennes. The objective of this consultation: to imagine a new life for this emblematic place of Rennes as well as its immediate environment. Assistance on the project communication and management, Les Grandes Idées ensured the smooth running of this first call for innovative projects of the program Patrimoine Postal en Mouvement run by Poste Immo.