| SILLA COMPANY LIMITED | Private company limited by shares | Live |
| SILLACOM (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SILLAGE LIMITED | Private company limited by shares | Dissolved |
| SILLAGES DE FRANCE (HK) LIMITED | Private company limited by shares | Dissolved |
| Sillah & Lam Limited | | Live |
| SILLAW TRADING LIMITED | | Live |
| Sillcane Limited | Private company limited by shares | Live |
| FOREIGN SILLER FUTURES LIMITED | Private company limited by shares | Dissolved |
| TIME SILLER LIMITED | Private company limited by shares | Dissolved |
| PETER SILLING & ASSOCIATES HOTEL INTERIOR DESIGN LIMITED | Private company limited by shares | Live |
| SILLIS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SILLONY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SILLYCOMM LIMITED | Private company limited by shares | Live |
| SILLYCUBE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Big SillyDog Co., Limited | Private company limited by shares | Live |
| Sillyee Holdings Limited | Private company limited by shares | Live |
| SILLYFISH DIGITAL ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| SILLYFISH INTERACTIVE LIMITED | Private company limited by shares | Live |
| Sillyhouse Company Limited | | Live |