| Shenzhen Illuming Co., Limited | Private company limited by shares | Live |
| Illuminite Entertainment Limited | | Live |
| ILLUMINO MEDIA SOLUTIONS LIMITED | Private company limited by shares | Live |
| Illuminous Studio Limited | Private company limited by shares | Live |
| ILLUMIRAI INVESTMENT LIMITED | Private company limited by shares | Live |
| ILLUMIX LIMITED | Private company limited by shares | Live |
| Illumos Limited | | Live |
| ILLUMYO LIMITED | Private company limited by shares | Live |
| Illunex Limited | | Live |
| HuaXia Illunimation Technology Limited | Private company limited by shares | Live |
| ILLUSE DESIGN COMPANY LIMITED | Private company limited by shares | Dissolved |
| ILLUSION LIMITED | Private company limited by shares | Dissolved |
| ILLUSION COMPANY LIMITED | Private company limited by shares | Live |
| ILLUSION LED LIMITED | Private company limited by shares | Live |
| C4 ILLUSION LIMITED | Private company limited by shares | Live |
| ILLUSION VIC LIMITED | Private company limited by shares | Live |
| ILLUSION ADVERTISING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ILLUSION GALLERY LIMITED | Private company limited by shares | Dissolved |
| SUCCESS ILLUSION LIMITED | Private company limited by shares | Live |
| ILLUSIONS LIMITED | Private company limited by shares | Dissolved |
| ARGUS ILLUSTRATED LIMITED | Private company limited by shares | Live |
| ILLUSTRATED CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| RACING ILLUSTRATED LIMITED | Private company limited by shares | Dissolved |
| ILLUSTRATED VERITAS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Fashionable Illustrated Textiles Limited | Private company limited by shares | Live |
| HARRY HARRISON ILLUSTRATION COMPANY LIMITED | Private company limited by shares | Live |
| Pixel Illustrations Technology Co., Limited | | Live |
| Freya Illustrations HK Limited | | Live |
| ILLUSTRE LIMITED | Private company limited by shares | Live |
| ILLUSTRIOUS COMPANY LIMITED | Private company limited by shares | Dissolved |
| illustrious Company Limited | Private company limited by shares | Dissolved |
| EVER ILLUSTRIOUS INDUSTRIAL LIMITED | Private company limited by shares | Live Commenced dormancy on 21-Mar-2016 |
| ILLUXOR LIMITED | Private company limited by shares | Live |
| ILLWINTER TECHNOLOGY LIMITED | | Live |
| ILLY Limited | Private company limited by shares | Live |
| illycaffe Asia Pacific Limited | Private company limited by shares | Dissolved |
| Illycaffe' Asia Pacific Limited | Private company limited by shares | Live |