| RockSys Company Limited | Private company limited by shares | Live |
| ROCKTAIN LIMITED | Private company limited by shares | Dissolved |
| ROCKTAPE (CHINA) CO LIMITED | Private company limited by shares | Live |
| ROCKTEC INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| ROCK-TECH LIMITED | Private company limited by shares | Dissolved |
| ROCKTECH LIMITED | Private company limited by shares | Live |
| ROCKTEK LIMITED | Private company limited by shares | Live |
| ROCK-TNSC LIMITED | Private company limited by shares | Live |
| ROCKTON LIMITED | Private company limited by shares | Live |
| ROCKTREND COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROCKTRONIC INDUSTRIAL COMPANY (H.K.) LIMITED | Private company limited by shares | Live |
| ROCKTRONIC INDUSTRIAL LIMITED | Private company limited by shares | Live |
| ROCKTRUE PETROTEK LIMITED | | Live |
| Rockup Innovations Limited | | Live |
| ROCKVALLEY PARTNERS LIMITED | Private company limited by shares | Live |
| ROCKVIEW LIMITED | Private company limited by shares | Dissolved |
| ROCKVILLE LIMITED | Private company limited by shares | Dissolved |
| ROCKVILLE (HK) OILFIELD SERVICES LIMITED | Private company limited by shares | Live |
| ROCKVILLE IMPORT AND EXPORT LIMITED | Private company limited by shares | Dissolved |
| ROCKVILLE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Rockville Asset Management Limited | Private company limited by shares | Live |
| Rockville Technologies Limited | Private company limited by shares | Live |
| Rockville Trading Limited | Private company limited by shares | Live |
| ROCKWALL LIMITED | Private company limited by shares | Dissolved |
| Rockwater Limited | Private company limited by shares | Live |
| ROCKWAY LIMITED | Private company limited by shares | Live |
| ROCKWAY HK LIMITED | Private company limited by shares | Live |
| ROCKWEAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| ROCKWEED LIMITED | Private company limited by shares | Dissolved |
| ROCKWELL LIMITED | Private company limited by shares | Dissolved |
| ROCKWELL COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROCKWELL LIMITED | Private company limited by shares | Live |
| Rockwill Electric Co., Limited | Private company limited by shares | Live |
| ROCKWIN DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| ROCKWIN ENTERPRISES LIMITED | Private company limited by shares | Live |
| ROCKWIN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ROCKWIN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ROCKWIN TRADE LIMITED | Private company limited by shares | Live |
| ROCKWOLD COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROCKWOOD LIMITED | Private company limited by shares | Dissolved |
| ROCKWOOD LIMITED | Private company limited by shares | Dissolved |
| ROCKWOOD LIMITED | Private company limited by shares | Live |
| ROCKWOOD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Rockwood Properties Limited | Private company limited by shares | Live |
| ROCKY BAY LIMITED | Private company limited by shares | Live |
| ROCKY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROCKY LIMITED | Private company limited by shares | Dissolved |
| ROCKY LIMITED | Private company limited by shares | Dissolved |
| ROCKY SUN LIMITED | Private company limited by shares | Live |
| Rocky Company Limited | Private company limited by shares | Live |
| Rocky Lee Limited | Private company limited by shares | Live |
| ROCKY ASIA LIMITED | Private company limited by shares | Dissolved |
| Rocky Capital Limited | Private company limited by shares | Live |
| ROCKY CHAU COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROCKY DRAGON LIMITED | Private company limited by shares | Dissolved |
| ROCKY ENTERPRISE LIMITED | Private company limited by shares | Live |
| ROCKY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ROCKY ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROCKY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Rocky Fruits Limited | Private company limited by shares | Live |
| ROCKY HOLDING LIMITED | Private company limited by shares | Live |
| ROCKY INETERNATIONAL LIMITED | Private company limited by shares | Live |
| NEW ROCKY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ROCKY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ROCKY KITCHEN COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROCKY MANUFACTORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROCKY PLASTIC MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| ROCKY NETWORKS LIMITED | Private company limited by shares | Live |
| ROCKY RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| ROCKY SHEK SECRETARIAL LIMITED | Private company limited by shares | Live |
| ROCKY STARS LIMITED | Private company limited by shares | Live |
| Rocky Tokyo Limited | Private company limited by shares | Live |
| ROCKY TOYS LIMITED | Private company limited by shares | Dissolved |
| Rocky Trustee Limited | Public company limited by shares | Live |
| ROCKYBULL LIMITED | Private company limited by shares | Live |
| ROCKYLAND COMPANY LIMITED | Private company limited by shares | Live |
| ROCKYMOUNT LIMITED | Private company limited by shares | Dissolved |
| ROCKYMOUNT INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Rockymount Metals Limited | Private company limited by shares | Live |
| ROCKYORK LIMITED | Private company limited by shares | Dissolved |
| RockySaaS (HK) Limited | Private company limited by shares | Live |
| ROCKYSTAR TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| ROCKYTECH CO., LIMITED | Private company limited by shares | Live |
| ROCKYVIEW TECHNOLOGY LIMITED | Private company limited by shares | Live |