Go back to directory. Add to Address Book. Onyx Partners Limited Onyx Partners Limited Contact: Sheldon Cartwright Address 2nd Floor Goodman’s Bay Corporate Centre P. O. Box SP-61567 Nassau Bahamaswork Telephone: (242) 397-6500work Email: scartwright@caystone.comINTERNET Website: onyxpartners.bs Service areas: Categories: Private Banking & Trust Services Trust Services