Clamping device for pet leashes characterized by being constituted by the following elements: body of the device (1) formed by a prismatic piece, preferably a rectangular straight parallelepiped of greater height than width and closed at its ends by respective caps, preferably rubber or rubber; and where this body of the device (1) is anchored by means of two coach screws (5) in its middle part on a fixed element, such as a wall. by covering these coach screws there are two profiles (3) constituted by respective profiles, straight in the area of contact with the body of the device (1) and incurved in the form of an open hook at the top. on the front wall of the body of the device (1) there are three differentiated areas where advertising elements could be placed, the upper zone (6), the intermediate zone (7) located between both profiles (3) and the lower zone (8) located below the lower profile (3). (Machine-translation by Google Translate, not legally binding)1. Dispositivo de sujeción para correas de mascotas caracterizado por encontrarse constituido por los siguientes elementos: Cuerpo del dispositivo (1) formado por una pieza prismática, preferentemente un paralepípedo recto rectangular de mayor altura que anchura y cerrado en sus extremos por sendas tapas, preferentemente de caucho o goma; y donde este cuerpo del dispositivo (1) se encuentra anclado mediante dos tirafondos (5) en su parte media sobre un elemento fijo, como una pared. Tapando estos tirafondos se encuentran dos perfiles (3) constituidos por sendos perfiles, rectos en la zona de contacto con el cuerpo del dispositivo (1) e incurvados en forma de gancho abierto por la parte superior. Sobre la pared anterior del cuerpo del dispositivo (1) se aprecian tres zonas diferenciadas donde se podría colocar elementos publicitarios, la zona superior (6), la zona intermedia (7) situada entre ambos perfiles (3) y la zona inferior (8) situada debajo del perfil inferior (3).