| PRO HI-FI LIMITED | Private company limited by shares | Dissolved |
| MY HIFI LIMITED | Private company limited by shares | Live |
| ALLAN-EXCEL HI-FI COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Grand Asia HiFi Limited | Private company limited by shares | Live |
| Hifi Audio HK Limited | | Live |
| Addy Hifi Audio Company Limited | | Live |
| MIRAMA CAMERA & HI-FI CO LIMITED | Private company limited by shares | Live |
| HI-FI SKIN CARE LIMITED | | Live |
| HI-FI CONNECTION LIMITED | Private company limited by shares | Dissolved |
| EXCEL HI-FI COMPANY LIMITED | Private company limited by shares | Live |
| HIFI EXQUIS CO., LIMITED | Private company limited by shares | Live |
| Hi-Fi Group Limited | Private company limited by shares | Dissolved |
| HUA-FU HI-FI LIMITED | Private company limited by shares | Dissolved |
| HIFI LIGHTING LIMITED | Private company limited by shares | Live |
| MODERN HIFI LIMITED | Private company limited by shares | Dissolved |
| ORIENT POWER HI-FI MFG. LIMITED | Private company limited by shares | Live |
| HiFi People Limited | | Live |
| Premier HiFi Limited | Private company limited by shares | Live |
| Hi-Fi Research Limited | Private company limited by shares | Dissolved |
| HI-FI REVIEW LIMITED | Private company limited by shares | Live |
| DIY HIFI SUPPLY LIMITED | Private company limited by shares | Live |
| HiFi Tech Limited | Private company limited by shares | Live |
| HI-FI TRADING LIMITED | Private company limited by shares | Live |
| LEE TUNG HI-FI CENTRE LIMITED | Private company limited by shares | Dissolved |
| MAR KEE HI-FI & VIDEO COMPANY LIMITED | Private company limited by shares | Live |
| WAN XING HIFI COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIFICHEM (Hongkong) Co., Limited | Private company limited by shares | Live |
| HIFICOLOUR PRINTING LIMITED | Private company limited by shares | Live |
| HI-FIDELITY FOOTWEAR LIMITED | Private company limited by shares | Live |
| HIFIELD LIMITED | Private company limited by shares | Live |
| HI-FIELD TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| HiFiGadgets Limited | Private company limited by shares | Live |
| Hifill Industrial Co., Limited | Private company limited by shares | Live |
| Hifin Limited | | Live |
| HIFINITY LIMITED | Private company limited by shares | Live |
| HI-FIRE Limited | Private company limited by shares | Live |
| HI-FIRM GROUP LIMITED | Private company limited by shares | Live |
| Hi-Fisher Company Limited | Private company limited by shares | Live |
| Hifishion Co., Limited | Private company limited by shares | Live |
| HIFISOUND TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIFIT LIMITED | Private company limited by shares | Dissolved |