| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CONSTELLATION SOFTWARE UK HOLDCO LTD | 09206065 | 29/11/2022 | Bronze |
| MITEL FINANCIAL SERVICES LIMITED | 04294360 | 30/07/2014 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AASTRA TELECOM (UK) LIMITED | 03743207 | 30/04/2014 | 16/06/2017 | Dissolved |
| CONNECTED HOTELS LIMITED | 09064844 | 01/06/2015 | 16/06/2017 | Dissolved |
| MITEL EUROPE LIMITED | 09059484 | 28/05/2014 | 16/06/2017 | Silver |
| MITEL HOSPITALITY COMMUNICATIONS 1 LIMITED | 09106445 | 01/06/2015 | 16/06/2017 | Dissolved |
| MITEL HOSPITALITY COMMUNICATIONS 2 LIMITED | 01763604 | 01/06/2015 | 16/06/2017 | Dissolved |
| MITEL NETWORKS PENSION TRUSTEE COMPANY LIMITED | 10471676 | 09/11/2016 | 16/06/2017 | Not Trading |