| KELLO LIMITED | Private company limited by shares | Dissolved |
| KELLOCK LIMITED | Private company limited by shares | Live |
| KELLOGG COMPANY LIMITED | Private company limited by shares | Live |
| Kellogg Hong Kong Private Limited | Private company limited by shares | Live |
| Kellogg Hong Kong (Three) Private Limited | Private company limited by shares | Dissolved |
| KELLON LIMITED | Private company limited by shares | Dissolved |
| KELLON E&M LIMITED | Private company limited by shares | Live |
| Kellon Concept Limited | Private company limited by shares | Live |
| Kellon Controls Limited | Private company limited by shares | Live |
| Kellon Green Energy Limited | Private company limited by shares | Live |
| Kellon Smart Energy Limited | | Live |
| KELLON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| KELLON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| KELLON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| KELLON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KELLON POWER UP LIMITED | Private company limited by shares | Live |
| KELLON PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| KELLON TRADING LIMITED | Private company limited by shares | Dissolved |
| KELLONG INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KELLOPLEX LIMITED | Private company limited by shares | Dissolved |
| KELLORT GROUP LIMITED | Private company limited by shares | Dissolved |
| KELLOT INVESTMENT LIMITED | Private company limited by shares | Dissolved |