| LONGEST LIMITED | Private company limited by shares | Dissolved |
| LONGEST DAY LIMITED | Private company limited by shares | Live |
| LONGEST WIN LIMITED | Private company limited by shares | Live |
| LONGEST TOP LIMITED | Private company limited by shares | Dissolved |
| LONGEST WIN LIMITED | Private company limited by shares | Live |
| SKY LONGEST LIMITED | Private company limited by shares | Live |
| LONGEST SEA LIMITED | | Live |
| LONGEST DRIVE LIMITED | Private company limited by shares | Dissolved |
| LONGEST GAIN LIMITED | Private company limited by shares | Live |
| LONGEST GAINER LIMITED | Private company limited by shares | Live |
| Longest Holding Limited | Private company limited by shares | Live |
| LONGEST DAY INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| LONGEST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| LONGEST WIN INVESTMENT LIMITED | | Live |
| LONGEST POINT LIMITED | Private company limited by shares | Live |
| LONGEST PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| LONGEST RICH LIMITED | Private company limited by shares | Live |
| LONGEST WEALTH LIMITED | Private company limited by shares | Dissolved |
| LONGEST WEALTH LIMITED | Private company limited by shares | Live |
| Longestsheng Electronics HK Limited | | Live |