| R.D. GEM LIMITED | Private company limited by shares | Live |
| PTI (R&D) LIMITED | Private company limited by shares | Live |
| OCEAN FOOTWEAR (R&D) CO., LIMITED | Private company limited by shares | Dissolved |
| R.D. Design Limited | Private company limited by shares | Live |
| R.D. DIAMOND LIMITED | Private company limited by shares | Live |
| FASHION EXPRESS (R&D) CO., LIMITED | Private company limited by shares | Live |
| R.D. HARTFORD (HOLDING) COMPANY LIMITED | Private company limited by shares | Dissolved |
| R.D. HARTFORD MACHINERY CO. LIMITED | Private company limited by shares | Dissolved |
| R.D. WORKS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ASIAN LINK (R&D) COMPANY LIMITED | Private company limited by shares | Live |
| Eternal Marine Eco-Technology (R&D) Limited | Private company limited by shares | Live |
| BUSINESS RESOURCES (R&D) LIMITED | Private company limited by shares | Dissolved |
| AQUACULTURE TECHNOLOGIES ASIA (R&D) LIMITED | Private company limited by shares | Live |
| WAI YUEN TONG (R&D) LIMITED | Private company limited by shares | Live |
| R.D. METAL TRADING LIMITED | Private company limited by shares | Dissolved |
| RD18 LIMITED | Private company limited by shares | Live |
| RDAL TRADE LIMITED | Private company limited by shares | Live |
| R.D.B. LIMITED | Private company limited by shares | Dissolved |
| Rd-com Technology Co., Limited | Private company limited by shares | Live |
| RD.COM INTERNATIONAL (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| RDCZ STOCK (HK) LIMITED | Private company limited by shares | Live |
| R-DENSHI (H.K.) CO., LIMITED | Private company limited by shares | Live |
| RDERCORP CO., LIMITED | Private company limited by shares | Dissolved |
| RDH-Events Limited | Private company limited by shares | Dissolved |
| RDH-HK LIMITED | Private company limited by shares | Live |
| RDHK LIMITED | Private company limited by shares | Live |
| RDHT TRADE CO., LIMITED | Private company limited by shares | Live |
| RDIC Technology Hong Kong Limited | Private company limited by shares | Live |
| R-DIGITAL LIMITED | Private company limited by shares | Live |
| R-DIP CO., LIMITED | Private company limited by shares | Live |
| RDLA ARCHITECTS & ENGINEERS LIMITED | Private company limited by shares | Live |
| RDLE HK LIMITED | Private company limited by shares | Live |
| RDLEBO LIMITED | Private company limited by shares | Live |
| R.D.M. CHRISTIAN LIMITED | Private company limited by shares | Dissolved |
| R.D.N.A LIMITED | Private company limited by shares | Live |
| RDNA trade Limited | | Live |
| RDNT HK LIMITED | Private company limited by shares | Live |
| GERMANY RDOSE FLOW EQUIPMENT CO., LIMITED | Private company limited by shares | Dissolved |
| R-DOTZ TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| R-DoxNet Limited | Private company limited by shares | Live |
| RDPCLIP EXE PEAK INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| RDPD LIMITED | Private company limited by shares | Live |
| RDRG LIMITED | Private company limited by shares | Live Ceased dormancy on 01-Apr-2011 |
| RD-STAR LIMITED | | Live |
| R&DT TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| RDTJ LIMITED | Private company limited by shares | Live |
| RDU-HKG-PVG SPV LIMITED | Private company limited by shares | Live |
| RDUZOOM LIMITED | Private company limited by shares | Live |
| RDZ-INOX LIMITED | Private company limited by shares | Dissolved |