A wrapping machine for making a composed palletized load made by a plurality of partial palletized loads wrapped with a plastic film, comprises a first operating station to individually and separately wrap the partial palletized loads with the film, a conveyor assembly to move along an advancing direction the partial palletized loads inside, towards and outside from the first operating station, a second operating station to arrange the plurality of partial palletized loads in a grouped configuration, in which they are adjacent and placed side by side, and then joint the plurality of partial palletized loads by an adhesive film in order to make the composed palletized load.