| ROHAM INTERNATIONAL TRADING (HONGKONG) LIMITED | Private company limited by shares | Live |
| Rohan Enterprise Company Limited | Private company limited by shares | Live |
| ROHAN INVESTMENTS LIMITED | Private company limited by shares | Live |
| ROHAN'S COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 08-Jan-2010 |
| ROHANSON LIMITED | Private company limited by shares | Live |
| Rohe Innovation Limited | Private company limited by shares | Live |
| France Rohfree Shares Co., Limited | Private company limited by shares | Live |
| ABDUL ROHIM TRADE CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 16-Jun-2016 |
| ROHIN GROUP LIMITED | Private company limited by shares | Dissolved |
| Rohit Apte Company Limited | Private company limited by shares | Live |
| ROHIT TRADING CO., LIMITED | Private company limited by shares | Live |
| ROHIT INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Mt. ROHKS Dining Limited | Private company limited by shares | Live |
| ROHL ASIA CO., LIMITED | Private company limited by shares | Live |
| ROHLIG CHINA LIMITED | Private company limited by shares | Dissolved |
| ROHLIG SEA FREIGHT LIMITED | Private company limited by shares | Dissolved |
| ROHM ASIA COMPANY LIMITED | Private company limited by shares | Dissolved |
| JINHONG ROHM AND HAAS CHEMICAL CO., LIMITED | Private company limited by shares | Live |
| Rohm and Haas HK China Investments Limited | Private company limited by shares | Dissolved |
| ROHM AND HAAS (FAR EAST) LIMITED | Private company limited by shares | Live Commenced dormancy on 12-Dec-1995 |
| Rohm and Haas HK Dongguan Holding Limited | Private company limited by shares | Live |
| ROHM AND HAAS ELECTRONIC MATERIALS ASIA LIMITED | Private company limited by shares | Live |
| ROHM SEMICONDUCTOR HONG KONG COMPANY LIMITED | Private company limited by shares | Live |
| ROHMANN ASIA LIMITED | Private company limited by shares | Live |
| Germany Rohmax International Petrochemical Limited | Private company limited by shares | Live |
| ROHNING LIMITED | Private company limited by shares | Dissolved |
| D-VISION ROHO HIGH AND NEW TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| ROHO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ROHO HOLDING LIMITED | Private company limited by shares | Live |
| ROHON LIMITED | | Live |
| HongKong RoHoo Technology Development Co., Limited | Private company limited by shares | Live |
| ROHOO TRADE LIMITED | Private company limited by shares | Live |
| ROHOPA INDUSTRY LIMITED | Private company limited by shares | Live |
| ROHOTEK (HONGKONG) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| ROHRER & ASSOCIATES (PACIFIC) LIMITED | Private company limited by shares | Live |
| ROHSBURG LIMITED | Private company limited by shares | Live |
| ROHSIN LIMITED | Private company limited by shares | Live |
| ROHSTAC ELECTRONICS LIMITED | Private company limited by shares | Live |
| ROHSTAS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ROHUA (HK) INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Rohula Limited | Private company limited by shares | Live |