| Company Name | Type | Status |
|---|---|---|
| MARCONI LIMITED | Private company limited by shares | Dissolved |
| MARCONI (CHINA) LIMITED | Private company limited by shares | Dissolved |
| MARCONI CHINA LIMITED | Private company limited by shares | Dissolved |
| MARCONI ELECTRONICS MANUFACTURER COMPANY LIMITED | Private company limited by shares | Dissolved |
| MARCONI HONG KONG LIMITED | Private company limited by shares | Dissolved |
| MARCONI TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |