| Company Name | Type | Status |
|---|---|---|
| Studio Smyth Productions Limited | Private company limited by shares | Live |
| ATHERTON SMYTHE AND TREMBATH LIMITED | Public company limited by shares | Dissolved |
| DORCHESTER & SMYTHE LIMITED | Private company limited by shares | Dissolved |
| HK SMYTHE INT'L DESIGN OFFICE LIMITED | Private company limited by shares | Live |
| SMYTHE WHEATLEY H. K. LIMITED | Private company limited by shares | Dissolved |