Device for assembling piece good layers by means of piece goods (200a, 200b) from at least two rows (211, 212) of piece goods (200a, 200b), preferably for producing at least one piece good stack with a plurality of piece good layers, the device comprising: - a transfer device with a transfer surface for assembling a piece good layer from a number of piece goods of the first piece good row and a number of piece goods of the second piece good row; - a first feeding device for feeding the number of piece goods of the first piece good row to a first feed position, wherein the first feed position is adjacent to a first side edge of the transfer surface; - a pusher device having a first pusher, wherein the first pusher is arranged for pushing the number of piece goods of the first piece good row from the first feed position to a first transfer position on the transfer surface, wherein - at least one second feeding device is provided for feeding the number of piece goods of at least one second piece good row to a second feed position, wherein the second feed position is adjacent to a second side edge (156, 157, 158) of the transfer surface which is different from the first side edge, 158) of the transfer surface, and - wherein the pusher device comprises at least one second pusher which is arranged to push the number of piece goods of the at least one second piece good row from the second feed position into a second transfer position on the transfer surface; and wherein - a first pushing direction of the first pusher for pushing a number of piece goods of the first piece good row from the first feed position into the first transfer position on the transfer surface is oriented in the opposite direction to a second pushing direction of the at least one second pusher for pushing a number of piece goods of the at least one second piece good row from the second feed position into the second transfer position on the transfer surface, characterized in that the pusher device further comprises a first alignment pusher and a second alignment pusher for laterally aligning the piece goods (200a, 200b) placed on the transfer surface, wherein the first alignment pusher is arranged along a third side edge of the transfer surface and the second alignment pusher is arranged along a fourth side edge of the transfer surface opposite the third side edge, and wherein the two alignment pushers (176, 178) are movable in mutually opposite directions (AU1, AU2). - a transfer device with a transfer surface for assembling a piece good layer from a number of piece goods of the first piece good row and a number of piece goods of the second piece good row; - a first feeding device for feeding the number of piece goods of the first piece good row to a first feed position, wherein the first feed position is adjacent to a first side edge of the transfer surface; - a pusher device having a first pusher, wherein the first pusher is arranged for pushing the number of piece goods of the first piece good row from the first feed position to a first transfer position on the transfer surface, wherein - at least one second feeding device is provided for feeding the number of piece goods of at least one second piece good row to a second feed position, wherein the second feed position is adjacent to a second side edge (156, 157, 158) of the transfer surface which is different from the first side edge, 158) of the transfer surface, and - wherein the pusher device comprises at least one second pusher which is arranged to push the number of piece goods of the at least one second piece good row from the second feed position into a second transfer position on the transfer surface; and wherein - a first pushing direction of the first pusher for pushing a number of piece goods of the first piece good row from the first feed position into the first transfer position on the transfer surface is oriented in the opposite direction to a second pushing direction of the at least one second pusher for pushing a number of piece goods of the at least one second piece good row from the second feed position into the second transfer position on the transfer surface,