| HILLING LIMITED | Private company limited by shares | Dissolved |
| HILLING LIMITED | Private company limited by shares | Live |
| HILLING FORTUNE LIMITED | | Live |
| Hilling Industrial Limited | Private company limited by shares | Live |
| HILLING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HILLINGDON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HILLINGDON MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hillingdon Media Limited | | Live |
| HILLINGTON LIMITED | Private company limited by shares | Dissolved |