| HOYIP LIMITED | Private company limited by shares | Dissolved |
| HOYITE TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HOYITEK (HK) INTERNATINAL ELECTRONIC LIMITED | Private company limited by shares | Live |
| HOYLAKE ESTATES LIMITED | Private company limited by shares | Dissolved |
| Hoylar Eu Company Limited | | Live |
| Matthew Hoyle Limited | Private company limited by shares | Live |
| Matthew Hoyle Financial Markets Limited | Private company limited by shares | Dissolved |
| MATTHEW HOYLE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| HOYMAY HK LIMITED | Private company limited by shares | Live |
| HOYMILES POWER ELECTRONICS LIMITED | | Live |
| HOYOBO SCIENCE&TECH LIMITED | Private company limited by shares | Live |
| HOYOKEE CO., LIMITED | | Live |
| HOYON LIMITED | Private company limited by shares | Dissolved |
| HOYOON COMPANY LIMITED | | Live |
| HOYOPAY LIMITED | Private company limited by shares | Live |
| HOYOPAY E-Commerce Limited | Private company limited by shares | Live |
| HOYOSUN (H.K.) LIMITED | Private company limited by shares | Dissolved |
| HOYOU ELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| HOYOU INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| HOYOU TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| HK HOYOU TRADE LIMITED | Private company limited by shares | Live |
| HK HOYOU TRADE LIMITED | | Live |
| HOYOU43 COMPANY LIMITED | Private company limited by shares | Live |
| HOYOYO LIMITED | Private company limited by shares | Dissolved |
| Hoyoyo Limited | Private company limited by shares | Live |
| HOYPAI INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| Hoys Technology Limited | Private company limited by shares | Live |
| HOYSTED INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HOYSUM LIMITED | Private company limited by shares | Dissolved |
| HOYSUN ELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Live |
| HOYTEC CO., LIMITED | Private company limited by shares | Live |
| Hoytek Electronics Co., Limited | Private company limited by shares | Live |
| HOYU LIMITED | Private company limited by shares | Dissolved |
| HK HOYU LIMITED | Private company limited by shares | Live |
| HOYU INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| HOYU TOOLING LIMITED | Private company limited by shares | Live |
| Hoyu Trade Limited | | Live |
| HOYUAN LIMITED | Private company limited by shares | Live |
| HONGKONG HOYUANTONG TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Hoyue Displays Holding Limited | Private company limited by shares | Live |
| HK HOYUE TRADING LIMITED | | Live |
| HOYUEN ELECTRONICS FACTORY LIMITED | Private company limited by shares | Dissolved |
| HOYUMALL LIMITED | Private company limited by shares | Live |
| HongKong Hoyun Trade Co., Limited | Private company limited by shares | Live |
| HOYUN INTERNATIONAL HOLDING GROUP LIMITED | Private company limited by shares | Live |