| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ANGUS OCTAN SCOTLAND LIMITED | SC348082 | 31/10/2014 | Dissolved |
| CADOGAN CONSULT LIMITED | SC267537 | 31/01/2014 | Dissolved |
| CADOGAN CONSULTANTS LIMITED | SC109333 | 31/10/2014 | Dissolved |
| CADOGAN INTERNATIONAL LIMITED | SC360976 | 31/01/2014 | Dissolved |
| HKA GLOBAL HOLDINGS LIMITED | 10438706 | 05/05/2017 | Dissolved |
| HKA GLOBAL LTD. | 10506713 | 03/05/2017 | Gold |
| JAMES R. KNOWLES (HOLDINGS) LIMITED | 01920926 | 01/05/2017 | Bronze |
| JAMES R. KNOWLES (WORLDWIDE) LIMITED | 01587680 | 01/05/2017 | Silver |
| LIBERTY BIDCO UK LIMITED | 10398895 | 05/05/2017 | One Red Flag |
| LIBERTY MIDCO 0 LIMITED | 13119320 | 21/05/2021 | Dissolved |
| LIBERTY MIDCO 1 LIMITED | 10438764 | 05/05/2017 | Dissolved |
| LIBERTY MIDCO 2 LIMITED | 10502477 | 05/05/2017 | Dissolved |
| LIBERTY MIDCO 3 LIMITED | 10438821 | 05/05/2017 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| HILL INTERNATIONAL (UK) LIMITED | 03561760 | 01/05/2005 | 05/05/2017 | Amber |
| KNOWLES LIMITED | 04121852 | 24/06/2014 | 05/05/2017 | Silver |