Territorial development implies co-ordinating efficiently heterogeneous actors linked by proximity relationships. The aim of this research note is to propose innovative indicators that allow the assessment of the tendency toward collective organisation, and its spatial variability. Three types of organisational phenomena are distinguished. First, collaboration between peers, which is linked to the inclination towards group activities. Second, interdependencies between heterogeneous actors, which is eased by the level of trust that prevails in the local society. Third, the capacity of coordination for local development projects, which is linked to the attachment to the territory. For the two first categories, indicators are computed at a local level, which is the “bassin de vie” (“living area”), a statistical unit grouping municipalities on the basis of home-to-work commuting and on the availability of basic services. Indicators are computed at regional level for the third category of organisational phenomena, due to availability constraints. For each phenomenon, two types of indicators are presented. First a “stock” indicator, i.e. the ratio of a countable entity per capita. Second, a “flux” indicator, i.e. an indicator based on the variation of a countable entity. All in all, six indicators are tested. Maps and correlation matrices suggest that they constitute promising tools for predicting the capacity for local actors to implement a territorial development approach efficiently. They also illustrate the diversity of phenomena that must be taken into account in order to understand the different aspects of territorial development. One direct application is the possibility of identifying areas where spontaneous collective action is highly prone to emerge, and conversely, where territorial development is conditioned by high efforts of co-ordination and contractualisation.