A method and device for aggregating connected objects of a communications network. The connected objects have at least one basic feature. The method includes the following steps implemented on an aggregation device, in order to obtain a group avatar suitable for representing the connected objects: obtaining at least one basic feature; obtaining at least one feature of the group object, linked to a basic feature; and creating the group avatar including: a structure having a basic feature; a structure having a group feature; a structure for linking the group feature to at least one basic feature; and a group proxy structure having an association between an address of the group avatar and an address of the connected objects.