A fastening assembly is provided for fastening a fixing element, for example a plate, a brace, an angle, a profile, an armature, a retainer or the like to a substructure by means of at least one screw, which can be passed through at least one bore in the fixing element and can be screwed into the substructure. A bushing is arranged in the bore to be able to be swiveled in arbitrary spacial direction. The screw is passed through the bushing. The bushing comprises a seat for at least partially receiving a head of the screw.