Abstract: Unit for packaging and palletizing rolls of paper comprising a bagging and/or forming machine adapted to sort packages of said rolls into batches or to bag said sorted loose packages in a plastic bag, and a palletizing station comprising at lease one manipulator provided with grippers to handle loose packages of delivered products from said bagging and/or forming machine. The products are conveyed to said palletizing station with a predetermined stepped sequence and spaced from one another in at least one row on a conveyer element, wherein said at least one robot and said bagging and/or forming machine are interconnected and are programmed respectively to sort said products in batches of different forms and dimensions according to a sequence which is continuously variable to form a layer of a pallet with different batches of products adjacent to and engaged with one another.