| Duff Limited | | Live |
| DUFFELL INVESTMENTS LIMITED | Private company limited by shares | Live |
| DUFFERIN LIMITED | Private company limited by shares | Dissolved |
| DUFFIELD LIMITED | Private company limited by shares | Dissolved |
| DUFFIELD INVESTMENT LIMITED | Private company limited by shares | Live |
| DUFFIN LIMITED | Private company limited by shares | Dissolved |
| Duffy Company Limited | Private company limited by shares | Live |
| VAN DUFFY LIMITED | Private company limited by shares | Live |
| Duffypaws Limited | Private company limited by shares | Live |
| DUFFYSHOW WEDDING GOWN ARTISTIC LIMITED | Private company limited by shares | Dissolved |