| CLAYTON JOY LIMITED | Private company limited by shares | Dissolved |
| CLAYTON LIMITED | Private company limited by shares | Dissolved |
| CLAYTON LIMITED | Private company limited by shares | Live |
| Clayton One Company Limited | Private company limited by shares | Live |
| ANTONIO & CLAYTON CPA LIMITED | Private company limited by shares | Live |
| CLAYTON (CHINA) LIMITED | Private company limited by shares | Dissolved |
| CLAYTON CLAYMORE (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| CLAYTON CLOTHINGS (H.K.) LIMITED | Private company limited by shares | Live |
| CLAYTON CONSULTANTS LIMITED | Private company limited by shares | Live |
| DANIEL CLAYTON LIMITED | Private company limited by shares | Live |
| DANIEL CLAYTON (PRC) LIMITED | Private company limited by shares | Dissolved |
| DANIEL CLAYTON TRADING LIMITED | Private company limited by shares | Dissolved |
| Clayton Engineering Limited | | Live |
| Clayton Charitable Foundation Limited | Company limited by guarantee | Live |
| CLAYTON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CLAYTON INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CLAYTON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Linc Clayton Company Limited | Private company limited by shares | Live |
| CLAYTON LOFTS CONSULTANCY LIMITED | Private company limited by shares | Live |
| CLAYTON (HK) LUBRICATING OIL LIMITED | Private company limited by shares | Live |
| Clayton Strauss Wealth Management Limited | Private company limited by shares | Live |
| CLAYTON ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| Paul Clayton Education Limited | | Live |
| CLAYTON POWER LIMITED | Private company limited by shares | Dissolved |
| CLAYTON POWER ENTERPRISES LIMITED | Private company limited by shares | Live |
| CLAYTON TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| CLAYTON TRADING LIMITED | Private company limited by shares | Live |
| CLAYTON UNIVERSITY LIMITED | Private company limited by shares | Dissolved |
| CLAYTON & VICTORIA LIMITED | Private company limited by shares | Live |
| CLAYTON-FONG ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| CLAYTONIA INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |