| RONYU ELECTRONICS INVESTMENT CO. LIMITED | Private company limited by shares | Live |
| Ronyuang Shareholding Co., Limited | Private company limited by shares | Live |
| Ronyuen Trade (HK) Limited | | Live |
| RONZ & KEEZ CO., LIMITED | Private company limited by shares | Dissolved |
| RONZ GROUP (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Ronz Technology Co., Limited | Private company limited by shares | Live |
| RONZE LIMITED | Private company limited by shares | Live |
| Norway Ronzier International Co., Limited | | Live |
| Rooamy Limited | Private company limited by shares | Live |
| ROOBO (H.K.) INTELLIGENT LIMITED | Private company limited by shares | Live |
| Roobo Holdings Limited | Private company limited by shares | Live |
| Roobo Technology & Trade Limited | Private company limited by shares | Live |
| Roocy Hong Kong Enterprise Management Limited | | Live |
| ROOCY HONG KONG LIMITED | Private company limited by shares | Live |
| ROOD LANDSCAPE ASIA LIMITED | Private company limited by shares | Dissolved |
| ROODER TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ROODI LIMITED | Private company limited by shares | Dissolved |
| Sun Roof Limited | Private company limited by shares | Live |
| 310 Roof Limited | Private company limited by shares | Live |
| Art Roof Top Limited | Private company limited by shares | Live |
| Roof Company Limited | Private company limited by shares | Live |
| Roofer Properties Limited | | Live |
| ROOFINDER LIMITED | Private company limited by shares | Dissolved |
| China Solar Roofing System Group Limited | Private company limited by shares | Live |
| ROOFING FABRIC. CO., LIMITED | Private company limited by shares | Dissolved |
| SHENGFA ROOFING WATERPROOF ENGINEERING LIMITED | | Live |
| One Tech Roofing Engineering (HK) Limited | Private company limited by shares | Live |
| HOMEIN GREEN ROOFING MATERIAL CO., LIMITED | Private company limited by shares | Live |
| Metro Roofing Products International Limited | Private company limited by shares | Live |
| ALSYNITE ROOFING PRODUCTS (SHANGHAI) CO., LIMITED | Private company limited by shares | Dissolved |
| WEATHERWISE ROOFING AND WALLING (CHINA) LIMITED | Private company limited by shares | Dissolved |
| ROOFLAB CO., LIMITED | Private company limited by shares | Live |
| GREEN ROOFS SOLAR TECHNOLOGY CO., LIMITED | | Live |
| Roofstar Technology Company Limited | Private company limited by shares | Live |
| ROOFTOP LIMITED -THE- | Private company limited by shares | Dissolved |
| Rooftop Company Limited | Private company limited by shares | Live |
| Rooftop BIM Limited | Private company limited by shares | Live |
| Rooftop Creatives Limited | | Live |
| ROOFTOP ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ROOFTOP ENTERTAINMENT COMPANY LIMITED | Private company limited by shares | Live |
| ROOFTOP FURNITURE COMPANY LIMITED | Private company limited by shares | Live |
| Rooftop Sales HK Limited | Private company limited by shares | Live |
| Rooftops Limited | Private company limited by shares | Live |
| ROOGEE LIMITED | Private company limited by shares | Live |
| ROOH TRADING CO., LIMITED | | Live |
| HONGKONG ROOH LIMITED | Private company limited by shares | Live |
| Rooha (China) Group Limited | Private company limited by shares | Live |
| ROOIBOS ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| E&R South African Rooibos Tea Limited | | Live |
| Rooji Limited | Private company limited by shares | Live |
| ROOK GROUP OF COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROOKA LIMITED | Private company limited by shares | Dissolved |
| ROOKA LIMITED | Private company limited by shares | Live |
| ROOKE & COMPANY LIMITED | Private company limited by shares | Dissolved |
| WARREN ROOKE LIMITED | Private company limited by shares | Dissolved |
| ROOKERIES LIMITED | Private company limited by shares | Dissolved |
| ROOKFIELD COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROOKIE HK LIMITED | Private company limited by shares | Live |
| ROOKIE COMPANY LIMITED | Private company limited by shares | Live |
| Rookies Limited | Private company limited by shares | Live |
| Rookiez Limited | | Live |
| ROOKWOOD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ROOKY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Rool Limited | | Live |
| ROOM 101 LIMITED | Private company limited by shares | Dissolved |
| SKY ROOM LIMITED | Private company limited by shares | Dissolved |
| ROOM LIMITED | Private company limited by shares | Live |
| U Room Company Limited | Private company limited by shares | Live |
| ROOM 502 LIMITED | Private company limited by shares | Live |
| HIT Room Limited -The- | Private company limited by shares | Live |
| ROOM 28 LIMITED | Private company limited by shares | Live |
| 07 Room Limited | Private company limited by shares | Live |
| OWN THE ROOM LIMITED | Private company limited by shares | Live |
| Room 208 Limited | Private company limited by shares | Live |
| Room 23 Limited | Private company limited by shares | Live |
| BAD ROOM LIMITED | Private company limited by shares | Live |
| GYM ROOM LIMITED -THE- | Private company limited by shares | Live |
| Room Fun Limited | | Live |
| Imagine Room Asia Limited | Private company limited by shares | Live |
| Beauty Room Limited | Private company limited by shares | Live |
| BEST ROOM FURNITURE LIMITED | Private company limited by shares | Live |
| The Burning Room Limited | | Live |
| Cloud Room Limited | | Live |
| ROOM CREATIVE LIMITED -THE- | Private company limited by shares | Live |
| New Room Creative Limited | Private company limited by shares | Live |
| 818 Creative Room Limited | Private company limited by shares | Live |
| CREATIVE ROOM LIMITED | | Live |
| Egg Room Entertainment Company Limited | Private company limited by shares | Live |
| Ground Brio Geomantic Omen Room Dress Limited | Private company limited by shares | Live |
| Imagine Room Limited | Private company limited by shares | Live |
| Germany Jowes Machine Room Equipment International Limited | Private company limited by shares | Live |
| ORCHID ROOM LIMITED | Private company limited by shares | Dissolved |
| THE ORCHID ROOM LIMITED | | Live |
| Art Room Three Pty. Limited | Private company limited by shares | Dissolved |
| Art Room Three Pty. Limited | Private company limited by shares | Dissolved |
| KAM WAH RESEARCH ROOM LIMITED | Private company limited by shares | Live |
| RITZY ROOM LIMITED | Private company limited by shares | Live |
| SEEFOOD ROOM CO. LIMITED | Private company limited by shares | Live |
| ROOM SERVICE LIMITED | Private company limited by shares | Dissolved |
| HONGKONG HUIZHOU ROOM RESERVATION TRAVEL SERVICE LIMITED | Private company limited by shares | Live |