| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| HFL CONSULTING LIMITED | 04144719 | 01/11/2019 | Dissolved |
| HFL HOLDINGS LIMITED | 09581458 | 01/11/2019 | Dissolved |
| HFL RISK SERVICES LTD | 08955962 | 01/11/2019 | Dissolved |
| PICME LIMITED | 03956376 | 01/11/2019 | Dissolved |
| SINCLAIR KNIGHT MERZ (TECHNOS) LIMITED | 03359920 | 30/10/2009 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASPINWALL & COMPANY LIMITED | 01946101 | 30/10/2009 | 30/05/2014 | Dissolved |
| COLIN BUCHANAN AND PARTNERS LIMITED | 01292315 | 21/06/2011 | 30/05/2014 | Dissolved |
| ENVIROS GROUP LIMITED | 04217291 | 30/10/2009 | 30/05/2014 | Not Trading |
| ENVIROS LIMITED | 03072541 | 30/10/2009 | 30/05/2014 | Not Trading |
| ENVIROS MANAGEMENT SERVICES LTD. | 03288557 | 30/10/2009 | 30/05/2014 | Dissolved |
| SLR BD LIMITED | 11182615 | 21/06/2018 | 01/11/2022 | One Red Flag |
| SLR CONSULTING LIMITED | 03880506 | 29/09/2014 | 01/11/2022 | Silver |
| SLR GLOBAL LIMITED | 11182524 | 21/06/2018 | 01/11/2022 | Amber |
| SLR HD LIMITED | 11182575 | 21/06/2018 | 01/11/2022 | Silver |
| SLR MANAGEMENT LIMITED | 06538090 | 01/01/2015 | 01/11/2022 | Bronze |
| SLR MD LIMITED | 11182598 | 21/06/2018 | 01/11/2022 | Silver |
| WORLEY CONSULTING GROUP LIMITED | 01721409 | 30/10/2009 | 30/05/2014 | Bronze |
| WORLEY EUROPE SERVICES LIMITED | 03371550 | 11/02/2008 | 18/08/2008 | Silver |
| WORLEY EUROPE SERVICES LIMITED | 03371550 | 02/02/2004 | 30/05/2014 | Silver |