| JIM JAMS LIMITED | Private company limited by shares | Dissolved |
| JAMS LIMITED | Private company limited by shares | Dissolved |
| JAMSA LIMITED | Private company limited by shares | Dissolved |
| JAMSART CLEANING SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| JAMSBY LIMITED | Private company limited by shares | Dissolved |
| JAMSHED ESTATES LIMITED | Private company limited by shares | Dissolved |
| JAMSIN LIMITED | Private company limited by shares | Live |
| JAMSIN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| JAMSIN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| JAMSKY LIMITED | Private company limited by shares | Live |
| JAMSON LIMITED | Private company limited by shares | Dissolved |
| JAMSON LIMITED | Private company limited by shares | Dissolved |
| K. JAMSON LIMITED | Private company limited by shares | Live |
| JAMSON LEUNG COMPANY LIMITED | Private company limited by shares | Live |
| JAMSON TRADING LIMITED | Private company limited by shares | Dissolved |
| JAMSONS (HK) LIMITED | Private company limited by shares | Dissolved |
| JAMSONS SHIPPING COMPANY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| JAMSONS MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| JAMSTRONG INVESTMENTS LIMITED | Private company limited by shares | Dissolved |