| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Digital Paging Systems (U K) Ltd | 01949327 | 30/11/1990 | Dissolved |
| Digital Paging Systems (U K) Ltd | 01949327 | 30/11/1990 | Dissolved |
| G S C Bank Services Ltd | 01529532 | 30/11/1990 | Dissolved |
| Graphnet U K Ltd | 01642474 | 30/11/1990 | Dissolved |
| MICROCELL LINKS LTD. | 03394877 | 30/06/1997 | Dissolved |
| MLL 32GHZ LIMITED | 09240535 | 13/12/2018 | One Red Flag |
| MLL 40GHZ LIMITED | 09280585 | 13/12/2018 | Amber |
| MLL TELECOM LTD. | 02657917 | 28/10/1991 | One Red Flag |
| Pagenet Holdings Ltd | 02226896 | 31/03/1991 | Dissolved |
| Pagenet Ltd | 02226589 | 31/03/1991 | Dissolved |
| TELECOMS ENTERPRISES LIMITED | 02692334 | 05/03/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 8X8 UK LIMITED | 05083841 | 01/12/2004 | 29/11/2013 | Gold |
| MLL TELECOM LTD. | 02657917 | 28/10/1991 | 28/11/1995 | One Red Flag |
| Nationwide Paging Ltd | 02653151 | 16/03/1992 | 15/07/2002 | Dissolved |
| Protocall Ventures Ltd | SC120598 | 01/04/1992 | 11/07/1998 | Dissolved |