| RENNA COMPANY LIMITED | Private company limited by shares | Dissolved |
| RENNAISSANCE LIMITED | Private company limited by shares | Live |
| RENNANE GROUP LIMITED | Private company limited by shares | Live |
| RENNELL LIMITED | Private company limited by shares | Dissolved |
| RENNER LIMITED | Private company limited by shares | Dissolved |
| RENNER ELECTRONIC CO., (HK) LIMITED | Private company limited by shares | Live |
| Renner Fashion Limited | Private company limited by shares | Live |
| RENNER WOOD COATINGS (HK) LIMITED | Private company limited by shares | Live |
| Renner International Group Co., Limited | | Live |
| RENNER PRIMVEST LIMITED | Private company limited by shares | Dissolved |
| Renner Germany Lubrication Technology Co., Limited | Private company limited by shares | Live |
| Rennes Machinery Co., Limited | Private company limited by shares | Live |
| RENNES HOLDING COMPANY LIMITED | Private company limited by shares | Live |
| RENNES INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Rennes Trading Co., Limited | Private company limited by shares | Live |
| RENNET LIMITED | | Live |
| RENNIE MAC'S LIMITED | Private company limited by shares | Dissolved |
| RENNIE'S MILL STUDENT AID PROJECT ALUMNI ASSOCIATION LIMITED | Company limited by guarantee | Live |
| RENNIE'S MILL DISTRICT KAI FONG WELFARE ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| RENNINGTON LIMITED | Private company limited by shares | Live |
| RENNIP LIMITED | Private company limited by shares | Dissolved |
| RENNIX LIMITED | Private company limited by shares | Live |
| RENNOLDSON COMPANY LIMITED | Private company limited by shares | Dissolved |
| RENNOTECH HK LIMITED | Private company limited by shares | Live |
| RENNOTECH CO., LIMITED | Private company limited by shares | Live |
| Rennue Limited | Private company limited by shares | Live |