| OMICRON LIMITED | Private company limited by shares | Dissolved |
| Omicron Consultancy Limited | Private company limited by shares | Live |
| OMICRON electronics Asia Limited | Private company limited by shares | Live |
| OMICRON GLOBAL LIMITED | Private company limited by shares | Dissolved |
| OMICRON (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| OMICRON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| LAMBDA OMICRON 190 LIMITED | Private company limited by shares | Live |
| OMICRON TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| OMICRON TRADING LIMITED | | Live |