A metering device for a metering of liquid or pasty products, comprising at least one frame unit (12) and a plurality of pump units (14) for conveying the liquid or pasty products, the pump units (14) being arranged on a base element (16) of the frame unit (12), further comprising at least one stiffening unit (18) comprising at least one stiffening element (22, 24) which has at least one fluid line (20, 38) and which connects the pump units (14) to one another in an at least substantially rigid manner, the stiffening element (22, 24) being arranged at the pump units (14) on a side of the pump units (14) that faces away from the base element (16) and/or from pump discharge nozzles (60) of the pump units (14).