| STARR, DUFF & SMITH, LIMITED | Company limited by guarantee | Dissolved |
| USA SMITH ELECTRIC LIMITED | Private company limited by shares | Live |
| SMITH ELECTRIC (USA) LIMITED | Private company limited by shares | Live |
| SMITH ELECTRIC (U.S.A.) HOLDING LIMITED | Private company limited by shares | Dissolved |
| SMITH ELECTRIC (U.S.A.) HOLDING LIMITED | Private company limited by shares | Live |
| Tom Smith Enterprises Limited | Private company limited by shares | Dissolved |
| SMITH FACTORY LIMITED | Private company limited by shares | Live |
| SMITH FAIRCHILD LIMITED | Private company limited by shares | Dissolved |
| FEIL, SMITH AND DRAPER LIMITED | Private company limited by shares | Dissolved |
| Germany Smith International Electric (China) Limited | Private company limited by shares | Dissolved |
| Germany Smith Group Limited | | Live |
| GOAL SMITH LIMITED | Private company limited by shares | Dissolved |
| FOOK LOY JEWELLERY & GOLD SMITH COMPANY LIMITED | Private company limited by shares | Live |
| Granny Smith Limited | Private company limited by shares | Live |
| WEATHERALL GREEN & SMITH LIMITED | Private company limited by shares | Dissolved |
| HARBOUR SMITH LIMITED | Private company limited by shares | Dissolved |
| US Smith Holding Limited | Private company limited by shares | Live |
| GOLD SMITH HOLDING LIMITED | Private company limited by shares | Dissolved |
| SMITH INVESTMENT LIMITED | Private company limited by shares | Live |
| SMITH ASIA INVESTMENT LIMITED | Private company limited by shares | Live |
| IRONWOOD & SMITH LIMITED | Private company limited by shares | Dissolved |
| Smith & Jain Limited | Private company limited by shares | Live |
| KENSINGTON & SMITH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SMITH NCHK LIMITED | Private company limited by shares | Dissolved |
| SMITH (NINGBO) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMITH (NINGBO) COMPANY LIMITED | Private company limited by shares | Live |
| SMITH SOFTWARE LIMITED | Private company limited by shares | Live |
| SZABO SMITH LIMITED | Private company limited by shares | Live |
| Theresa Smith Direct Limited | Private company limited by shares | Live |
| RALPH & SMITH KITCHEN WARE TRADING LIMITED | Private company limited by shares | Live |
| SMITHCO LIMITED | Private company limited by shares | Live |
| SMITHCORP LIMITED | Private company limited by shares | Dissolved |
| SMITHCORP COMPANY LIMITED | Private company limited by shares | Live |
| SMITHFIELD LIMITED | Private company limited by shares | Live |
| Smithfield Investments Limited | Private company limited by shares | Dissolved |
| SMITHFORD COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMITHI COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMITHKLINE LIMITED | Private company limited by shares | Live |
| Smith's Limited | Private company limited by shares | Live |
| HK Smithsonian Trade Limited | | Live |
| SmithStreetSolutions Limited | Private company limited by shares | Live |
| SMITHTECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SMITHTON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Smithy Limited | Private company limited by shares | Live |
| SMITT CARLISLE LIMITED | Private company limited by shares | Live |
| SMITT CARLISLE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SMITTLE LIMITED | Private company limited by shares | Dissolved |
| SMITTON TRADING LIMITED | Private company limited by shares | Dissolved |
| SMIX LIMITED | Private company limited by shares | Dissolved |
| SMIXIN ASIA LIMITED | Private company limited by shares | Live |
| HongKong SMIZI Skin Care Products Trading Limited | Private company limited by shares | Live |