International audienceAmong the innovative organizations that have emerged to support a growing number of self-employed workers, an innovative form of worker cooperative has developed over the past twenty years: the Business and Employment Cooperative (BEC). Faced with changes in work and employment, BECs are experimenting with new working methods by seeking to promote the autonomy of entrepreneurs within a democratic productive space. In view of the singularity of changes in work, new analytical schemes are outlined beyond the notion of salaried employment. This research is based on a field survey conducted in three French BECs. It invites us to analyze the political centrality of work in BECs through the notion of activity, inspired by th...