| Helios Advertising & Marketing Limited | Private company limited by shares | Dissolved |
| Helios Operating Limited | Private company limited by shares | Live |
| Helios Community Outreach Charity Limited | | Live |
| Helios Overseas Limited | Private company limited by shares | Live |
| Helios P.A. Company Limited | Private company limited by shares | Live |
| Helios Pacific HKG Limited | Private company limited by shares | Live |
| HELIOS PARTNERS HK LIMITED | Private company limited by shares | Live |
| HELIOS PEAK INVESTMENTS LIMITED | | Live |
| FRANCE PETIT HELIOS FASHIONS LIMITED | Private company limited by shares | Dissolved |
| Helios New Power Limited | | Live |
| HELIOS PRINTING TECH LIMITED | Private company limited by shares | Live |
| Helios Properties Limited | Private company limited by shares | Live |
| HELIOS PUBLICISTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| HELIOS QUARTZ ASIA LIMITED | Private company limited by shares | Live |
| HELIOS RESOURCES LIMITED | Private company limited by shares | Live |
| Helios Returns Limited | Private company limited by shares | Live |
| Helios Securities Company Limited | Private company limited by shares | Live |
| HELIOS SEMICONDUCTOR INC. LIMITED | Private company limited by shares | Dissolved |
| HELIOS SEMICONDUCTOR INC. LIMITED | Private company limited by shares | Dissolved |
| HELIOS SERVICES LIMITED | | Live |
| Helios Liquidity Services HK Limited | Private company limited by shares | Live |
| Solar Helios Limited | Private company limited by shares | Live |
| Helios Supply Chain Solution Limited | Private company limited by shares | Live |
| HELIOS SOURCING LIMITED | Private company limited by shares | Live |
| Helios Strategies Limited | | Live |
| Sunrise Helios Limited | | Live |
| HELIOS Support & Supplies LIMITED | | Live |
| Helios Technologies Limited | Private company limited by shares | Live |
| FUJIAN HELIOS TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| HELIOS TECHNOLOGY COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Helios Technology Holding Limited | | Live |
| HELIOS POWER TECHNOLOGY HOLDING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HELIOS TIMBER COMPANY, LIMITED | Private company limited by shares | Live Commenced dormancy on 01-Dec-1998 |
| HELIOS TRADING LIMITED | Private company limited by shares | Live |
| United Helios Limited | Private company limited by shares | Live |
| Helios Ventures (HK) Limited | Private company limited by shares | Live |
| Helios Vogue Limited | Private company limited by shares | Live |
| HELIOSCREEN (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| GUANGZHOU HELIOSON CAR ACCESSORIES CO., LIMITED | Private company limited by shares | Live |