| ROUND.T LIMITED | Private company limited by shares | Dissolved |
| Roundtable 7 Limited | Company limited by guarantee | Live |
| ESG Roundtable Limited | 擔保有限公司 | Live |
| ROUNDTABLE CAPITAL LIMITED | Private company limited by shares | Live |
| ROUNDTABLE CATERING LIMITED | Private company limited by shares | Dissolved |
| ROUNDTABLE ENTERPRISE LIMITED | Private company limited by shares | Live |
| Asia Investors Roundtable Limited | Private company limited by shares | Live |
| Roundten Limited | Private company limited by shares | Live |
| ROUND-THE UNIVERSAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| ROUND-THE-OCEAN INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| Roundtrade Investment & Development Corporation Limited | Private company limited by shares | Live |
| ROUNDTREE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROUNDTREE PROPERTY COMPANY LIMITED | Private company limited by shares | Live |