GTS Rail Operations
| Overview | |
|---|---|
| Franchise(s) | Elizabeth line |
| Main region(s) | London |
| Other region(s) | |
| Fleet | 70 |
| Stations operated | 41 |
| Parent company | Go-Ahead Group (65%) Tokyo Metro (17.5%) Sumitomo Corporation (17.5%) |
| Headquarters | Chancery Station House, High Holborn, London |
| Reporting mark | XR |
GTS Rail Operations is a train operating company owned by Go-Ahead Group, Tokyo Metro and Sumitomo Corporation that commenced operating the Elizabeth line concession on 25 May 2025.