A vacuum cup for a robotic system, comprising: - an interface element configured for interfacing with a robotic system; - a tilting element; - a floating element forming an inner chamber of the vacuum cup; - an aspiration duct, provided at said interface element to connect said inner chamber to a vacuum system (17, 20) for generating, inside said inner chamber, a vacuum suitable for grip of the cup on a gripping surface; - a tilting joint, the tilting element being connected to said interface element by way of said tilting joint whereby said tilting element is tiltable with respect to said interface element; - an intermediate element fixed to said tilting element, the intermediate element being sealingly connected via a sliding fit connection to the floating element; - at least one sliding connector for connecting said tilting element and said floating element together, said tilting element and said floating element being jointly tiltable with respect to said interface element for adaptable positioning thereof with respect to a gripping surface; - a pressure chamber provided in a bottom seat of said floating element and being connectable to pressure regulation means suitable to control its internal pressure, the pressure chamber having an active side and being deformable upon action thereon of forces that are internal and/or external thereto, the internal and/or external forces being generated by combined action of vacuum suction on the gripping surface determined by the vacuum inside the inner chamber and of pressure variation inside the pressure chamber; - a sealing element, bearing with a bearing side thereof on said active side of the pressure chamber and having a sealing side, opposite to said bearing side, the sealing side being for sealing on the gripping surface. - an interface element configured for interfacing with a robotic system; - a tilting element; - a floating element forming an inner chamber of the vacuum cup; - an aspiration duct, provided at said interface element to connect said inner chamber to a vacuum system (17, 20) for generating, inside said inner chamber, a vacuum suitable for grip of the cup on a gripping surface; - a tilting joint, the tilting element being connected to said interface element by way of said tilting joint whereby said tilting element is tiltable with respect to said interface element; - an intermediate element fixed to said tilting element, the intermediate element being sealingly connected via a sliding fit connection to the floating element; - at least one sliding connector for connecting said tilting element and said floating element together, said tilting element and said floating element being jointly tiltable with respect to said interface element for adaptable positioning thereof with respect to a gripping surface; - a pressure chamber provided in a bottom seat of said floating element and being connectable to pressure regulation means suitable to control its internal pressure, the pressure chamber having an active side and being deformable upon action thereon of forces that are internal and/or external thereto, the internal and/or external forces being generated by combined action of vacuum suction on the gripping surface determined by the vacuum inside the inner chamber and of pressure variation inside the pressure chamber; - a sealing element, bearing with a bearing side thereof on said active side of the pressure chamber and having a sealing side, opposite to said bearing side, the sealing side being for sealing on the gripping surface.