| XO40 Limited | Private company limited by shares | Live |
| XOCECO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Xochitl International Trade Co., Limited | Private company limited by shares | Live |
| Xocial Limited | Private company limited by shares | Live |
| Xocial Entertainment Group Limited | Private company limited by shares | Dissolved |
| Xoddox Limited | Private company limited by shares | Live |
| xO-design Limited | Private company limited by shares | Live |
| XODO LIMITED | | Live |
| Xodtec LED HK Limited | Private company limited by shares | Live |
| XOGT Limited | Private company limited by shares | Live |
| XOHUNG INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Xohy Fashion Co., Limited | Private company limited by shares | Live |
| XOIP Limited | Private company limited by shares | Live |
| XOIP TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| KOREA XOKOTO COSMETIC INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| XOLARIS COMPANY LIMITED | Private company limited by shares | Live |
| XOLARIS CAPITAL LIMITED | Private company limited by shares | Live |
| XOLO LIMITED | Private company limited by shares | Dissolved |
| XOLO INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| Xolo Trade Limited | Private company limited by shares | Live |
| XOLOX LIMITED | Private company limited by shares | Live |
| XOLOX CHINA LIMITED | Private company limited by shares | Dissolved |
| XOLUTION COMPANY LIMITED | Private company limited by shares | Live |
| XOLUX COMPANY LIMITED | Private company limited by shares | Dissolved |
| XOLWANG LIMITED | Private company limited by shares | Dissolved |
| XOLYO LIMITED | | Live |
| XOMA LIMITED | Private company limited by shares | Live |
| XOMG LIMITED | Private company limited by shares | Live |
| XOMMOX ENTERPRISES LIMITED | Private company limited by shares | Live |
| X.ON COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| XONDA TECHNOLOGY LIMITED | Private company limited by shares | Live |
| X-ONE LIMITED | Private company limited by shares | Live |
| X-ONE (HK) CO., LIMITED | Private company limited by shares | Live |
| X.ONE (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| HK Xone furniture Trade Limited | Private company limited by shares | Live |
| XonetwoX Company Limited | Private company limited by shares | Live |
| XONFIELD LIMITED | Private company limited by shares | Dissolved |
| XONJA LIMITED | Private company limited by shares | Live |
| XonLabs Limited | | Live |
| XONNECT LIMITED | Private company limited by shares | Dissolved |
| XONODO LIMITED | Private company limited by shares | Dissolved |
| XONRIL LIMITED | Private company limited by shares | Dissolved |
| XONWAKE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| XONWAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| XOOK PR & MARKETING COMPANY LIMITED | Private company limited by shares | Dissolved |
| XOOM LIMITED | Private company limited by shares | Dissolved |
| Xoom Limited | | Live |
| XOOMTALK ASIA LIMITED | Private company limited by shares | Live |
| Xoopar Limited | Private company limited by shares | Live |
| XOOS International Supplies Co., Limited | Private company limited by shares | Live |
| XOOX LIMITED | Private company limited by shares | Live |
| XOPOKUNG LIMITED | Private company limited by shares | Live |
| XORA PROPULSION LIMITED | Private company limited by shares | Live |
| Xorbits-HK Limited | | Live |
| HR Xoris HK Limited | Private company limited by shares | Live |
| Xorix Limited | Private company limited by shares | Live |
| XOR.MOTORS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| XORSID LIMITED | | Live |
| XORYP PACIFIC HK LIMITED | Private company limited by shares | Live |
| XOSRT TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| XOTIC FOODS LIMITED | Private company limited by shares | Dissolved |
| XOTIK COMPANY LIMITED | Private company limited by shares | Live |
| Xotonik Limited | Private company limited by shares | Dissolved |
| XOURCING COMPANY LIMITED | Private company limited by shares | Live |
| XOVE HK Limited | Private company limited by shares | Live |
| XOVE (HK) Management Company Limited | | Live |
| XOVE Group Holdings Limited | | Live |
| XOVNEK LIMITED | Private company limited by shares | Dissolved |
| XOXO Limited | | Live |
| xoxoshop Limited | Private company limited by shares | Live |
| XOXSEOUL LIMITED | Private company limited by shares | Live |
| Xoyaco-Life Limited | Private company limited by shares | Live |