| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| KONDOR TOPCO II LIMITED | 11355765 | 11/05/2018 | Dissolved |
| STP HOLDINGS LIMITED | 10622698 | 16/02/2017 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CATSCI GROUP HOLDINGS LIMITED | 14128337 | 24/05/2022 | 08/06/2022 | One Red Flag |
| CATSCI INVEST LTD | 14127257 | 24/05/2022 | 08/06/2022 | Silver |
| H.I.G. EUROPEAN CAPITAL PARTNERS, LLP | OC323516 | 01/03/2017 | 31/12/2021 | Silver |
| KONDOR BIDCO LIMITED | 08881850 | 21/06/2016 | 15/05/2018 | Bronze |
| KONDOR HOLDCO LIMITED | 08878107 | 21/06/2016 | 15/05/2018 | Silver |
| KONDOR LIMITED | 03948290 | 21/06/2016 | 15/05/2018 | Silver |
| KONDOR MIDCO LIMITED | 08880019 | 21/06/2016 | 15/05/2018 | Silver |
| NEPTUNE SUBSEA IP LIMITED | 10591232 | 30/01/2017 | 18/08/2020 | One Red Flag |
| VIENNA BIDCO LIMITED | 12424293 | 24/01/2020 | 30/09/2021 | Bronze |
| VIENNA HOLDCO LIMITED | 12424231 | 24/01/2020 | 12/02/2021 | One Red Flag |
| VIENNA MIDCO LIMITED | 12424204 | 24/01/2020 | 12/02/2021 | One Red Flag |
| XTERA HOLDINGS LIMITED | 10598080 | 02/02/2017 | 18/08/2020 | Bronze |
| XTERA LIMITED | 10591225 | 30/01/2017 | 18/08/2020 | One Red Flag |
| XTERA TOPCO LIMITED | 10580604 | 24/01/2017 | 22/12/2021 | Amber |