| TRANQUIL LIMITED | Private company limited by shares | Live |
| TRANQUIL AMENITIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRANQUIL EASY LIMITED | Private company limited by shares | Live |
| TRANQUIL ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| Tranquil Garden Limited | Private company limited by shares | Live |
| TRANQUIL HEALTH (HONG KONG) LIMITED | Private company limited by shares | Live |
| TRANQUIL BRIGHTNESS INVESTMENT LIMITED | Private company limited by shares | Live |
| TRANQUIL WISDOM INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TRANQUIL INVESTMENTS LIMITED | Private company limited by shares | Live Commenced dormancy on 27-Jul-2012 |
| Tranquil Asset Management Limited | | Live |
| TRANQUIL OASIS LIMITED | Private company limited by shares | Live |
| TRANQUIL PEACE ENTERPRISE LIMITED | Private company limited by shares | Live |
| TRANQUIL SMOOTH LIMITED | Private company limited by shares | Live |
| TRANQUIL TOUCHES COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRANQUIL TUESDAYS LIMITED | Private company limited by shares | Dissolved |
| Tranquil Vista Enterprise Limited | | Live |
| TRANQUIL WINNER LIMITED | Private company limited by shares | Live |
| TRANQUILHOMES LIMITED | Private company limited by shares | Live |
| TRANQUILITY LIMITED | Private company limited by shares | Dissolved |
| TRANQUILITY SPA COMPANY LIMITED | Private company limited by shares | Live |
| BODHI TRANQUILITY ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| Tranquility Acoustronics (HK) Limited | Private company limited by shares | Live |
| First Tranquility (Hong Kong) Limited | Private company limited by shares | Live |
| Oriental Tranquility (Hong Kong) Limited | | Live |
| PLUS TRANQUILITY (HONG KONG) LIMITED | Private company limited by shares | Live |
| SWIFT TRANQUILITY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TRANQUILITY INVESTMENT LIMITED | | Live |
| RICH TRANQUILITY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TRANQUILITY INVESTMENTS LIMITED | Private company limited by shares | Live |
| Tranquility Asset Management Co., Limited | | Live |
| MASS TRANQUILITY LIMITED | Private company limited by shares | Dissolved |
| Sea Tranquility Shipping Limited | | Live |
| Tranquility Trading Limited | Private company limited by shares | Live |
| HK TRANQUILITY INTERNATIONAL TRADING GROUP LIMITED | Private company limited by shares | Dissolved |
| TRANQUILITY INT'L TRADING LIMITED | Private company limited by shares | Live |
| VIE TRANQUILLE GARDEN CO. LIMITED | Private company limited by shares | Live |
| TRANQUILLITY COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRANQUILLITYSYNC LIMITED | | Live |
| TRANQUILO COLLECTIVE LIMITED | | Live |