| Really Smart Limited | Private company limited by shares | Live |
| SMART REALTY LIMITED | Private company limited by shares | Dissolved |
| SMART TOP REALTY LIMITED | Private company limited by shares | Dissolved |
| SMART REALTY LIMITED | Private company limited by shares | Live |
| REALTY SMART LIMITED | Private company limited by shares | Live |
| SMART REGISTRATIONS LIMITED | Private company limited by shares | Live |
| Remit Smart Limited | | Live |
| SMART RESTAURANT LIMITED | Private company limited by shares | Live |
| SMART RHINO LIMITED | Private company limited by shares | Live |
| Rhizome Smart Limited | | Live |
| RICH SMART LIMITED | Private company limited by shares | Dissolved |
| RICH SMART LIMITED | Private company limited by shares | Dissolved |
| RICH SMART LIMITED | Private company limited by shares | Dissolved |
| RICH SMART LIMITED | Private company limited by shares | Live |
| RICH SMART ASIA LIMITED | | Live |
| RICH SMART ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| RICH SMART ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| RICH SMART FINANCE LIMITED | Private company limited by shares | Live |
| RICH SMART INVESTMENT LIMITED | Private company limited by shares | Live Commenced dormancy on 25-Mar-2004 |
| RICH SMART PROPERTIES LIMITED | Private company limited by shares | Live |
| SMART ROCK LIMITED | Private company limited by shares | Dissolved |
| SMART SENSE LIMITED | Private company limited by shares | Live |
| SHEEN SMART LIMITED | Private company limited by shares | Dissolved |
| SHEEN SMART LIMITED | Private company limited by shares | Live |
| SHEEN SMART INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SHEEN SMART INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SHEEN SMART INVESTMENT LIMITED | Private company limited by shares | Live |
| SHINING SMART LIMITED | Private company limited by shares | Live |
| SMART SHOW LIMITED | Private company limited by shares | Live |
| SMART SHOWCASE LIMITED | Private company limited by shares | Live |
| SIECO SMART ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SIGHT SMART LIMITED | Private company limited by shares | Dissolved |
| SMART SIGN LIMITED | Private company limited by shares | Dissolved |
| SMART SIGNATURE LIMITED | Private company limited by shares | Live |
| SMART SIGNS LIMITED | Private company limited by shares | Live |
| SMART SKATES LIMITED | Private company limited by shares | Dissolved |
| Skin Smart Limited | | Live |
| SKYYES SMART LIMITED | Private company limited by shares | Live |
| QY Smart Software Limited | Private company limited by shares | Live |
| SMART SOFTWARE COMPANY LIMITED | Private company limited by shares | Live |
| SOLAR SMART LIMITED | Private company limited by shares | Dissolved |
| SOUTH SMART LIMITED | Private company limited by shares | Dissolved |
| SOUTH SMART LIMITED | Private company limited by shares | Live |
| SMART SPACE LIMITED | Private company limited by shares | Live |
| SMART STANDARD LIMITED | Private company limited by shares | Live |
| STANDARD SMART INC LIMITED | Private company limited by shares | Live |
| STAY SMART LIMITED | Private company limited by shares | Live |
| Smart Stay Limited | Private company limited by shares | Live |
| SMART STRATEGY LIMITED | Private company limited by shares | Live |
| SUCCESS SMART LIMITED | Private company limited by shares | Dissolved |
| SUCCESS SMART LIMITED | Private company limited by shares | Live |
| SUCCESS SMART ENTERPRISES LIMITED | Private company limited by shares | Live |
| SUNNING SMART INC LIMITED | Private company limited by shares | Live |
| SUNRFID SMART LIMITED | Private company limited by shares | Live |
| SUPERB SMART LIMITED | Private company limited by shares | Dissolved |
| SUPERB SMART LIMITED | Private company limited by shares | Dissolved |
| SUPERB SMART LIMITED | Private company limited by shares | Live |
| Smart Supply Limited | Private company limited by shares | Live |
| EE Smart Supply Limited | | Live |
| TACTIC SMART LIMITED | Private company limited by shares | Live |
| SMART TEAM LIMITED | Private company limited by shares | Dissolved |
| TEAM SMART LIMITED | Private company limited by shares | Dissolved |
| SMART TEAM LIMITED | Private company limited by shares | Live |
| TEAM SMART LIMITED | Private company limited by shares | Live |
| SMART TEAM CPA LIMITED | Private company limited by shares | Live |
| TEAM SMART LIMITED | Private company limited by shares | Live |
| TEAM SMART FUN LIMITED | Private company limited by shares | Live |
| SMART TEAM INC LIMITED | Private company limited by shares | Live |
| SMART TEAMS LIMITED | Private company limited by shares | Dissolved |
| HK TJK MACHINERY (SOLIAH) SMART TECHNOLOGY COMPANY LIMITED | | Live |
| TEKLINK SMART COMPANY LIMITED | Private company limited by shares | Live |
| MERIDIAN THERAPY APPARATUS SMART HEALING CO. LIMITED | | Live |
| TIANCHENG SMART LIMITED | Private company limited by shares | Live |
| SMART TIME LIMITED | Private company limited by shares | Dissolved |
| TIME SMART LIMITED | Private company limited by shares | Live |
| SMART TIME LIMITED | Private company limited by shares | Live |
| SMART TIME INC LIMITED | Private company limited by shares | Dissolved |
| TIME SMART INC LIMITED | Private company limited by shares | Live |
| SMART TIME INC LIMITED | Private company limited by shares | Live |
| TOLL SMART COMPANY LIMITED | Private company limited by shares | Live |
| TOLL SMART LIMITED | Private company limited by shares | Live |
| SMART TOYS LIMITED | Private company limited by shares | Dissolved |
| HK SMART TOYS LIMITED | Private company limited by shares | Dissolved |
| SMART KID TOYS COMPANY LIMITED | Private company limited by shares | Live |
| SMART TRADE LIMITED | Private company limited by shares | Dissolved |
| SMART TRADE LIMITED | Private company limited by shares | Dissolved |
| TRADE SMART LIMITED | Private company limited by shares | Dissolved |
| SMART TRADE FX LIMITED | Private company limited by shares | Dissolved |
| TRADE SMART LIMITED | Private company limited by shares | Live |
| SMART TRADE LIMITED | Private company limited by shares | Live |
| SMART TRADE INC LIMITED | Private company limited by shares | Live |
| M&S Smart Trade Limited | Private company limited by shares | Live |
| TOP SMART TRADE LIMITED | Private company limited by shares | Live |
| Smart Transactions Limited | | Live |
| TRINITY SMART LIMITED | Private company limited by shares | Dissolved |
| TRINITY SMART LIMITED | Private company limited by shares | Live |
| TRIPLE SMART COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRIUMPH SMART LIMITED | Private company limited by shares | Live |
| TROME SMART SOLUTIONS HK LIMITED | Private company limited by shares | Live |
| TRULY SMART LIMITED | Private company limited by shares | Dissolved |