| Lexico Telecom Limited | Private company limited by shares | Live |
| LEXICOM COMPANY LIMITED | Private company limited by shares | Live |
| LEXICON LIMITED | Private company limited by shares | Dissolved |
| BMWI LEXICON LIMITED | Private company limited by shares | Live |
| Lexicon Business English Limited | Private company limited by shares | Live |
| Lexicon Education Investment Limited | Private company limited by shares | Live |
| LEXICON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| LEXICON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| LEXICON SOFTWARE COMPANY LIMITED | Private company limited by shares | Dissolved |