A cable (1) assembly device for producing cabling including: a support surface (2) on which the cable assembly is carried out (1), cable (1) fastening and guide elements (3), said fastening and guide elements (3) comprising a vacuum element for joining it to said support surface (2), a feeder (4) of the cable to be assembled, a computation means that includes a cabling diagram in its memory and the location of the fastening and guide elements (3) on the support surface (2), a storage module (5) for cable (1) fastening and guide elements (3), positioning means (6) of the fastening and guide elements (3) on the support surface (2).