| TETH JF Limited | Private company limited by shares | Live |
| Tether Limited | Private company limited by shares | Live |
| TETHERA ENGINEERING DESIGN LIMITED | Private company limited by shares | Dissolved |
| TETHER-GAMES Limited | Private company limited by shares | Dissolved |
| Tethys Limited | Private company limited by shares | Dissolved |
| Tethys Limited | | Live |
| Tethys01 Shipping Company Limited | Private company limited by shares | Live |
| Tethys02 Shipping Company Limited | Private company limited by shares | Live |
| Tethyway Limited | Private company limited by shares | Live |