9 active stations Source: DVSA active stations register, retrieved 2026-10-10.
G area pass rate, 2024: 83.5% — 1,161,900 decisive tests (DVSA anonymised results; area figure, not per-station).
Town pages nearby: Dumbarton
| Station | Address | Postcode | Classes |
|---|---|---|---|
| Westbridgend Garage Ltd | 101 Westbridgend Road Westbridgend | G82 4AD | Class 1, Class 2, Class 3, Class 4, Class 5, Class 7 |
| Dumbarton Car Clinic Ltd | Unit 5 50 Castlegreen Street | G82 1JD | Class 1, Class 2, Class 3, Class 4, Class 5, Class 7 |
| Renton Garage | 235 Main Street Renton By Alexandria | G82 4PR | Class 1, Class 2, Class 3, Class 4, Class 5, Class 7 |
| William Marshall & Son | Townend Garage 23 Townend Road | G82 2BA | Class 1, Class 2, Class 3, Class 4, Class 5, Class 7 |
| Arnold Clark | Dumbarton Road Milton | G82 2TY | Class 1, Class 2, Class 3, Class 4, Class 5, Class 7 |
| John Lindsay (Dumbuck) Ltd | Dumbuck Garage Stirling Road Milton | G82 2TB | Class 1, Class 2, Class 3, Class 4, Class 5, Class 7 |
| Castle Garage | 129 Glasgow Road | G82 1RQ | Class 1, Class 2, Class 3, Class 4, Class 5, Class 7 |
| H B R Accident Repair | 140 Castlegreen Street | G82 1JU | Class 1, Class 2, Class 3, Class 4, Class 5, Class 7 |
| S1 Autoservices | Unit 6 & 7, Pioneer Business Park 80 Castlegreen Street | G82 1JB | Class 1, Class 2, Class 3, Class 4, Class 5, Class 7 |