| HALLEY LIMITED | Private company limited by shares | Dissolved |
| HALLEY BAY LIMITED | Private company limited by shares | Live |
| HALLEY LIMITED | Private company limited by shares | Dissolved |
| HALLEY LIMITED | | Live |
| HALLEY ESTATE LIMITED | Private company limited by shares | Dissolved |
| HALLEY INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRIUMPH HALLEY LIMITED | Private company limited by shares | Dissolved |
| Halley Triumph Limited | Private company limited by shares | Dissolved |
| HALLEY YORK LIMITED | Private company limited by shares | Dissolved |
| HALLEY01 LIMITED | | Live |
| HALLEY02 LIMITED | | Live |
| HALLEY03 LIMITED | | Live |
| HALLEYSTAR LIMITED | Private company limited by shares | Dissolved |