| PROCLEAN BIO-TECH CO., LIMITED | | Live |
| PROCLEAN ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| EverBest Pro-clean Limited | Private company limited by shares | Live |
| ProClean Maids Company Limited | Private company limited by shares | Dissolved |
| PRO-CLEAN SERVICES COMPANY LIMITED | Private company limited by shares | Dissolved |
| PROCLEAN CARPET SERVICES LIMITED | Private company limited by shares | Live |
| Hong Kong Pro-Clean (Water Pipes) Company Limited | Private company limited by shares | Live |
| PRO-CLEANIC (HONG KONG) LIMITED | Private company limited by shares | Live |