Contacts Contacts Write us Your Name Your e-mail Object Your Message (optional) Social wall Click on the icon and you are immediately on our Social! e-mail info@challenge-cons.it Telephone +39 02 8717 7203 Skype challenge_consultants Legal Office – Headquarter Via Ippodromo, 10520151 Milano Local Operating Unit Via Torquato Tasso, 16980127 Napoli