| BUILDSCAPE DESIGN AND CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| BUILDSIGN DESIGN LIMITED | | Live |
| BUILD-SMART COMPANY LIMITED | Private company limited by shares | Dissolved |
| BUILDSMART LIMITED | Private company limited by shares | Live |
| BUILD-SMART (INTERNATIONAL) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Buildsome Investment Limited | | Live |
| BUILDSPACE LIMITED | Private company limited by shares | Live |
| BUILDSPARK LIMITED | Private company limited by shares | Dissolved |
| BuildSphere Limited | | Live |
| BUILDSTAR TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| BUILD-STONE LIMITED | Private company limited by shares | Dissolved |
| BUILDSWORTH LIMITED | Private company limited by shares | Live |