| Ubelin, Frederick | Silversmith | Adv. 1773 |
| Ulman, A. & J. | Jewellers | D 1829-1835 |
| Ulman, J. | Jeweller | D 1829-1830 |
| Ulman,Jacob | Jeweller | D 1843 |
| Underwood, John | Jeweller | D 1797-1798 |
| Updike, George M. | Jeweller | D 1848 |
| Urwiler, George | Silver Refiner | D 1814-1824, 1831, 1837-1839, 1841, 1844 |
| Urwiler, J. | Silver Refiner | D 1831 |
| Usher, Austin | Jeweller | D 1842 |
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