GTS Rail Operations
| Overview | |
|---|---|
| Concession | Elizabeth line |
| Main region | London |
| Other regions | |
| 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 |
| Other | |
| Website | gtsr |
GTS Rail Operations Limited is a British train operating company owned by Go-Ahead Group, Tokyo Metro and Sumitomo Corporation that commenced operating the Elizabeth line concession on 25 May 2025.