| HAND IN HAND (HIH) INDUSTRIAL GROUP LIMITED | Private company limited by shares | Live |
| H.I.H TRADING COMPANY LIMITED | Private company limited by shares | Live |
| HIHALY COMPANY LIMITED | Private company limited by shares | Live |
| HIHAO INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HI-HARVEST TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Hong Kong HIHE Business Co., Limited | Private company limited by shares | Live |
| HIHEALTH LIMITED | Private company limited by shares | Live |
| HI-HEATED LIMITED | Private company limited by shares | Dissolved |
| HIHEEL LIMITED | Private company limited by shares | Live |
| HiHex Limited | Private company limited by shares | Live |
| HIHEY.HK LIMITED | Private company limited by shares | Live |
| HIHGWORLD TRADING LIMITED | | Live |
| Hihi Beauty Limited | Private company limited by shares | Live |
| HIHILULU COMPANY LIMITED | Private company limited by shares | Live |
| HiHire Limited | Private company limited by shares | Live |
| H.I.H.K. LIMITED | Private company limited by shares | Dissolved |
| HIHK LIMITED | Private company limited by shares | Live |
| HIHLINTER LIMITED | Private company limited by shares | Live |
| HIHO LIMITED | | Live |
| Hiho Industry & Trade Limited | Private company limited by shares | Live |
| HK HIHON INDUSTRIAL DEVEL LIMITED | Private company limited by shares | Live |
| HI-HONOURED DEVELOPMENTS LIMITED | Private company limited by shares | Live |
| Hihoo International (HK) Limited | | Live |
| HIHUI ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| HiHui Technology Limited | Private company limited by shares | Live |