| Hong Kong Rainbow Science And Technology Co., Limited | Private company limited by shares | Live |
| SUPER RAINBOW TECHNOLOGY (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| SUPER RAINBOW DISPLAY TECHNOLOGY (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| HONG KONG RAINBOW INTERNATIONAL ARCHITECTURE AND URBAN PLANNING AND LANDSCAPE DESIGN CO., LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Rainbow Ways Cultural Tourism Co., Limited | | Live |
| CROWN RAINBOW (HONG KONG) LIMITED | Private company limited by shares | Live |
| Rainbow Devoting (Hong Kong) Co., Limited | | Live |
| RAINBOW (HONG KONG) DRESS CO., LIMITED | Private company limited by shares | Dissolved |
| RAINBOW EDUCATION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ELITE RAINBOW (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG RAINBOW ENTERTAINMENT COMPANY LIMITED | Private company limited by shares | Live |
| FANCY RAINBOW (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONG KONG RAINBOW SKIRT FASHION CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Rainbow Figure Company Limited | Private company limited by shares | Live |
| FINE RAINBOW (HONG KONG) LIMITED | Private company limited by shares | Live |
| GAIN RAINBOW (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| RAINBOW GLEE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG RAINBOW GOLDEN GROUP LIMITED | Private company limited by shares | Dissolved |
| GOOD RAINBOW (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINGAPORE RAINBOW BEAUTY CULTURE (HONG KONG) GROUP LIMITED | Private company limited by shares | Dissolved |
| HONG KONG RAINBOW FOOD AND BEVERAGE GROUP CO., LIMITED | Private company limited by shares | Live |
| HONG KONG GREAT REPUTATION RAINBOW GROUP INVESTMENT LIMITED | Private company limited by shares | Live |
| HONG KONG RAINBOW INDUSTRY GROUP LIMITED | Private company limited by shares | Live |
| HONG KONG SILVER RAINBOW INT'L GROUP INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| RAINBOW BIOLOGICAL TECHNOLOGY (HONG KONG) GROUP LIMITED | Private company limited by shares | Live |
| HONG KONG RAINBOW INTERNATIONAL EDUCATION GROUP LIMITED | Private company limited by shares | Live |
| RAINBOW HILL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| YONG HONG (RAINBOW) INCORPORATION LIMITED | Private company limited by shares | Live |
| HONG KONG FOREVER RAINBOW INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| HONG KONG RAINBOW INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Rainbow (Hong Kong) industrial Co., Limited | | Live |
| RAINBOW INDUSTRIAL (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| RAINBOW INDUSTRIAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| RAINBOW OPTOELECTRONICS INDUSTRIAL (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG RAINBOW PAINTING ART INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HONG KONG RAINBOW INVESTMENT LIMITED | Private company limited by shares | Live |
| RAINBOW HONG KONG INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Rainbow Investment Limited | | Live |
| JOIN RAINBOW (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| RAINBOW HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SKY RAINBOW (HONG KONG) LIMITED | Private company limited by shares | Live Commenced dormancy on 28-Jan-2010 |
| HONG KONG RAINBOW LIMITED | Private company limited by shares | Dissolved |
| ART RAINBOW (HONG KONG) LIMITED | Private company limited by shares | Live |
| RAINBOW OF HONG KONG LIMITED | Company limited by guarantee | Live |
| RAINBOW HONG KONG LIMITED | Private company limited by shares | Live |
| RAINBOW KEY (HONG KONG) LIMITED | Private company limited by shares | Live |
| JJ RAINBOW (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| RSA Rainbow (Hong Kong) Limited | Private company limited by shares | Live |
| HONG KONG RAINBOW OIL CO. LIMITED | Private company limited by shares | Live |
| RAINBOW WAY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Rainbow Day (Hong Kong) Limited | | Live |
| RAINBOW BRIDGE HONG KONG LIMITED | Private company limited by shares | Live |
| RAINBOW CENTURY HONG KONG LIMITED | Private company limited by shares | Live |
| CHERISH RAINBOW (HONG KONG) LIMITED | Private company limited by shares | Live |
| RAINBOW CITY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| RAINBOW BEARING (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| RAINBOW CRESCENT INVESTMENT (HONG KONG) LIMITED | | Live |
| SEA RAINBOW ENTERPRISE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| RAINBOW INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| RAINBOW LILY ENTERPRISE (HONG KONG) LIMITED | Private company limited by shares | Live |
| Rainbow Media (Hong Kong) Company Limited | Private company limited by shares | Dissolved |
| Rainbow Equity Partners Hong Kong Limited | Private company limited by shares | Live |
| RAINBOW PEARL (HONG KONG) LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Jun-2016 |
| SPIRIT RAINBOW (HONG KONG) TECHNOLOGY PRINTING COMPANY LIMITED | Private company limited by shares | Live |
| Rainbow Speed International (Hong Kong) Limited | | Live |
| TIME RAINBOW (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Rainbow Lake (Hong Kong) Limited | Private company limited by shares | Live |
| Rainbow Land Hong Kong Limited | Private company limited by shares | Live |
| RAINBOW LEGEND (HONG KONG) LIMITED | Private company limited by shares | Live |
| RAINBOW LIGHTING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| LUCKY RAINBOW (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONG KONG RAINBOW INTERNATIONAL INVESTMENT INFORMATION MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Rainbow Flower Enterprise Management (Group) Co., Limited | Private company limited by shares | Dissolved |
| RAINBOW MANAGEMENT (HONG KONG) LIMITED | Private company limited by shares | Live |
| RAINBOW INTERNATIONAL ASSET MANAGEMENT (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONG KONG LAMMA RAINBOW CATERING MANAGEMENT LIMITED | Private company limited by shares | Live |
| MEGA RAINBOW (HONG KONG) LIMITED | Private company limited by shares | Live |
| MILLION RAINBOW (HONG KONG) LIMITED | Private company limited by shares | Live |
| RAINBOW NUTS ( HONG KONG ) LIMITED | Private company limited by shares | Live |
| RAINBOW OPTOELECTRONICS (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| RAINBOW POWER (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| RAINBOW POWER (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| RAINBOW QUEEN HONG KONG LIMITED | Private company limited by shares | Dissolved |
| RAINBOW RANCH HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Rainbow River Limited | Private company limited by shares | Live |
| ROYAL RAINBOW (HONG KONG) GROUP LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Shengshi Rainbow Group Limited | Private company limited by shares | Live |
| SMART RAINBOW (HONG KONG) LIMITED | Private company limited by shares | Live |
| RAINBOW SMART (HONG KONG) LIMITED | Private company limited by shares | Live |
| Hong Kong Rainbow Star International Entertainment Media Co., Limited | Private company limited by shares | Live |
| RAINBOW STAR (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Rainbow One Two Technology Co., Limited | Private company limited by shares | Live |
| Hong Kong Rainbow Rain Technology Company Limited | Private company limited by shares | Live |
| Hong Kong Rainbow Source Technology Company Limited | Private company limited by shares | Live |
| HONG KONG RAINBOW TRADING CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Rainbow Fish Trading Limited | | Live |
| HONG KONG RAINBOW TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| RAINBOW VALLEY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| WELL RAINBOW (HONG KONG) LIMITED | Private company limited by shares | Live |
| RAINBOW CITY HONGKONG LIMITED | | Live |