| Rommach Limited | Private company limited by shares | Live |
| ROM-MASTER INDUSTRIAL (INT'L) LIMITED | Private company limited by shares | Live |
| Rommel Company Limited | Private company limited by shares | Live |
| ROMMEL FINANCIAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| HK Rommel Group Limited | | Live |
| ROMMELSBACHER ElektroHausgerate GmbH Limited | Private company limited by shares | Live |
| ROMMIX LIMITED | Private company limited by shares | Dissolved |
| ROMMY Limited | Private company limited by shares | Live |
| ROMNEY LIMITED | Private company limited by shares | Dissolved |
| Romney (Asia) Investment Limited | Private company limited by shares | Live |
| ROMNIC DESIGN LIMITED | Private company limited by shares | Live |
| ROMO COMPANY LIMITED | Private company limited by shares | Dissolved |
| Romo Concept HK Limited | Private company limited by shares | Live |
| Romo Health Co., Limited | | Live |
| Romo Industry Limited | Private company limited by shares | Live |
| DONGGUAN ROMOCEN CO., LIMITED | Private company limited by shares | Live |
| ROMOFONE CO., LIMITED | Private company limited by shares | Live |
| FRANCE ROMOLO INT'L GROUP LIMITED | Private company limited by shares | Live |
| ITALY ROMON GARMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| ROMONBRO TRADIND COMPANY LIMITED | Private company limited by shares | Live |
| Romoon Trade Limited | | Live |
| CHINA ROMOSON MACHINERY EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| Hongkong Romoson Information Technology Co., Limited | Private company limited by shares | Live |
| ROMOSS (HONGKONG) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| ROMPA (HONG KONG) LIMITED | Private company limited by shares | Live |
| Rompoly Company Limited | | Live |
| ROMSON LIMITED | Private company limited by shares | Dissolved |
| ROMSTAR (HK) LIMITED | Private company limited by shares | Live |
| ROMTAC LIMITED | Private company limited by shares | Dissolved |
| ROMTEC ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| ROMTEC ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ROMU TRADING COMPANY LIMITED | Private company limited by shares | Live |
| ROMULUS COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROMULUS LIMITED | Private company limited by shares | Live |
| Romunis Trade Limited | Private company limited by shares | Live |
| ROMUS LIMITED | Private company limited by shares | Live |
| ROMWAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROMY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROMYSHE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROMYTISA LIMITED | | Live |
| R.O.N HK LIMITED | Private company limited by shares | Live |
| RONA LIMITED | Private company limited by shares | Dissolved |
| Rona Bioscience, Limited | Private company limited by shares | Live |
| RONA CAPITAL LIMITED | Private company limited by shares | Live |
| RONA DREAM LIMITED | | Live |
| HK ST RONA EDUCATION GROUP LIMITED | Private company limited by shares | Live |
| HK RONA GROUP LIMITED | Private company limited by shares | Live |
| FRANCE ELD RONA GROUP LIMITED | Private company limited by shares | Dissolved |
| RONA Hong Kong Limited | Private company limited by shares | Live |
| RONA INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| RONA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| RONAGONB LIMITED | Private company limited by shares | Dissolved |
| RONAHI-LED LIMITED | Private company limited by shares | Live |
| RONAI LIMITED | Private company limited by shares | Live |
| RONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| RONAL REFRIGERATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| RONALCANE LIMITED | Private company limited by shares | Dissolved |
| RONALD LUK & COMPANY LIMITED | Private company limited by shares | Dissolved |
| RONALD JIM COMPANY LIMITED | Private company limited by shares | Dissolved |
| RONALD LIMITED | Private company limited by shares | Live |
| RONALD NG & COMPANY LIMITED | Private company limited by shares | Live |
| RONALD KO & COMPANY CPA LIMITED | Private company limited by shares | Dissolved |
| RONALD 43 LIMITED | Private company limited by shares | Live |
| RONALD ABRAM LIMITED | Private company limited by shares | Live |
| RONALD CHAN & ASSOCIATES ARCHITECTS-ENGINEERS LIMITED | Private company limited by shares | Dissolved |
| RONALD POON CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| DR. RONALD SIN DENTAL CLINIC LIMITED | Private company limited by shares | Live |
| Ronald Design Limited | Private company limited by shares | Live |
| BEST RONALD DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| RONALD JOYCE FAR EAST LIMITED | Private company limited by shares | Dissolved |
| RONALD LYON (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| RONALD FUNG & ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| RONALD WARD (H.K.) LIMITED | Private company limited by shares | Dissolved |
| RONALD (HOLDINGS) COMPANY LIMITED | Private company limited by shares | Dissolved |
| RONALD INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| RONALD C INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| RONALD LU INTERIOR DESIGN LIMITED | Private company limited by shares | Live |
| RONALD LEE INVESTMENT LIMITED | Private company limited by shares | Live |
| BEST RONALD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| RONALD JACK LIMITED | Private company limited by shares | Live |
| RONALD LEATHER MANUFACTURING LIMITED | Private company limited by shares | Live |
| RONALD LING & ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| RONALD NG (NOMINEES) LIMITED | Private company limited by shares | Live |
| RONALD BATES & PARTNERS (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| Ronald Lu & Partners Design Consulting Limited | Private company limited by shares | Live |
| RONALD LU & PARTNERS (HONG KONG) LIMITED | Private company limited by shares | Live |
| RONALD LU & PARTNERS (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| RONALD LU DI CARLO POTTS & PARTNERS LIMITED | Private company limited by shares | Dissolved |
| RONALD SECRETARIAL SERVICES LIMITED | Private company limited by shares | Dissolved |
| DR RONALD LIEM MAN SHING MEDICAL LIMITED | Private company limited by shares | Live |
| RONALD JIM & TANG COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ronald Ng Trading Limited | Private company limited by shares | Dissolved |
| RONALD C TRADING COMPANY LIMITED | Private company limited by shares | Live |
| RONALD AND WILSON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| RONALDNEX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Ronaldo Company Limited | Private company limited by shares | Live |
| R. R. RONALDSAY AND COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ronaldsport Limited | | Live |
| RONALDSWAY LIMITED | Private company limited by shares | Dissolved |
| RONALTEK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |