534 (Orkney) Coast Regiment RA(TA) was formed from part of the Orkney Heavy Regiment RA(TA), in September 1940. RHQ was placed in suspended animation in June 1945 and the batteries joined 538 Coast Regiment RA(TA). It was disbanded in January 1947.
| Sep 40 | Formed from part of Orkney Heavy Regiment | Orkney, UK |
| Sep 40 | Home Forces | Orkney, UK |
| Dec 42 | Stromness Fire Command | Stromness, Orkney, UK |
| Jun 45 | Suspended animation |
Batteries
| Sep 40 | A, B, C |
| Apr 41 | 141, 142, 143, 144, 145 |
| Jun 41 | 141, 142, 144, 158, 268 |
| Apr 44 | 141, 142, 144, 158, 223, 268 |
