538 (Clyde) Coast Regiment RA(TA) was formed from the Clyde Heavy Regiment RA(TA), in January 1941. The Regiment was placed in suspended animation in January 1946 and reconstituted as 416 (Clyde) Coast Regiment RA(TA) in January 1947.
| Jan 41 | Formed from Clyde Heavy Regiment | Clyde, Argyll & Bute, UK |
| Jan 41 | Scottish Command | Clyde, Argyll & Bute, UK |
| Dec 42 | Clyde Fire Command | Clyde, Argyll & Bute, UK |
| Jan 46 | Suspended animation |
Batteries
| Jan 41 | A, B, C, 407 |
| Apr 41 | 152, 153, 154, 155, 407 |
| Sep 42 | 152, 153, 155, 308, 407 |
| Jun 45 | 141, 142, 144, 158, 223, 268, 369 |
