| SIMONSEN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SIMONSO & ASSOCIATE LIMITED | Private company limited by shares | Live |
| SIMONSON LIMITED | Private company limited by shares | Live |
| SIMONSTRONIC LIMITED | Private company limited by shares | Live |
| SimonsVoss Technologies Limited | Private company limited by shares | Live |
| SIMONT PETRO-CHEM CO. LIMITED | Private company limited by shares | Live |
| SimonTD & Associates Asia Limited | Private company limited by shares | Live Ceased dormancy on 02-May-2013 |
| SIMONTS41 LIMITED | | Live |
| SIMONTS42 LIMITED | | Live |
| SIMONTS43 LIMITED | | Live |
| SIMONY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |