| Rainbow-River (Hongkong) Limited | Private company limited by shares | Live |
| RAINBOW'S END COMPANY LIMITED | Private company limited by shares | Live |
| Sky Rainbows Limited | Private company limited by shares | Live |
| RAINBOWS INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| RAINBOWS GLOBAL LIMITED | Private company limited by shares | Live |
| GRAZING RAINBOWS LIMITED | Private company limited by shares | Live |
| Hidden Rainbows Capital Limited | Private company limited by shares | Dissolved |
| CENTURY RAINBOWS (INT'L) GROUP LIMITED | Private company limited by shares | Live |
| RAINBOW'S LAND CO., LIMITED | Private company limited by shares | Live |
| Still Chasing Rainbows Limited | Private company limited by shares | Dissolved |
| LONG RAINBOWS TECHNOLOGY (GROUPS) LIMITED | Private company limited by shares | Dissolved |
| UNICORNS AND RAINBOWS LIMITED | | Live |
| RAINBOWS WORK PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| RAINBOWSOFT CONSULTING LIMITED | Private company limited by shares | Live |
| Rainbowson International (Hongkong) Limited | Private company limited by shares | Live |
| RAINBOW-SOURCING LIMITED | Private company limited by shares | Live |
| RAINBOWTAIL LIMITED | Private company limited by shares | Live |
| RAINBOWTEC LIMITED | Private company limited by shares | Live Commenced dormancy on 26-Jan-2012 |
| RAINBOWTEC MARITIME LIMITED | Private company limited by shares | Live |
| RAINBOWVIEW LIMITED | Private company limited by shares | Dissolved |
| RAINBOWWAY LANDSCAPE ARCHITECTURE CONSULTANCE LIMITED | Private company limited by shares | Dissolved |
| RainbowWorks Limited | Private company limited by shares | Live |
| RAINBOWYI (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| RAINBOX SIX LIMITED | Private company limited by shares | Live |