| YIELD STRENGTH LIMITED | Private company limited by shares | Dissolved |
| H.K STRENGTHEN ELECTRONICS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Strengthen Technology (Hong Kong) Co., Limited | Private company limited by shares | Live |
| STRENGTHEN ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| Strengthen Furniture Limited | Private company limited by shares | Live |
| BEST STRENGTHEN GLOBAL LIMITED | Private company limited by shares | Dissolved |
| HONG KONG BEST STRENGTHEN GLOBAL LIMITED | Private company limited by shares | Live |
| STRENGTHEN INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| STRENGTHEN POWER CATERING LIMITED | Private company limited by shares | Live |
| STRENGTHENED INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ASIA PACIFIC NETWORK FOR HEALTH SYSTEMS STRENGTHENING LIMITED | Company limited by guarantee | Live |
| STRENGTHENS COMPANY LIMITED | Private company limited by shares | Live |