| PROBO LIMITED | Private company limited by shares | Dissolved |
| Probo Waterproofing Engineering Company Limited | Private company limited by shares | Live Commenced dormancy on 23-Mar-2016 |
| PRO.BO TRADING (HK) LIMITED | Private company limited by shares | Live |
| PROBOND INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| PROBONDEX LIMITED | Private company limited by shares | Live |
| PROBONO LIMITED | Private company limited by shares | Dissolved |
| PROBORN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| PROBOSS PROPERTIES LIMITED | Private company limited by shares | Live |
| PROBOX LIMITED | Private company limited by shares | Live |