| Relationships | Role | Relationship Start | Relationship End |
| Nd Properties, Inc. | Parent | 1/12/2015 | |
| Cityhold Office Partnership S.A.R.L. | Parent | 5/6/2015 | |
| London Belgrave Unit Trust | Subsidary | 8/26/2015 | |
| New Fetter Lane Unit Trust | Subsidary | 8/26/2015 | |
| 70 St Mary Axe Unit Trust | Subsidary | 8/17/2015 | |
| Cityhold Uk Investment S.A R.L. | Subsidary | 5/6/2015 |