| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ANDREW MCCARTHY ASSOCIATES LIMITED | 04517648 | 29/01/2010 | Dissolved |
| ARCHITECTURE AND PLANNING SOLUTIONS LIMITED | 05098149 | 31/10/2008 | Dissolved |
| BOWMAN PLANTON LIMITED | 04713460 | 03/11/2008 | Dissolved |
| CHALLENGE ENERGY LIMITED | 03411275 | 03/11/2014 | Dissolved |
| CHALLENGE GAS TRADING LIMITED | 03930190 | 03/11/2014 | Dissolved |
| CHALLENGE OIL & GAS LIMITED | 03411281 | 03/11/2014 | Dissolved |
| COOPER PARTNERSHIP LIMITED | 03297730 | 03/09/2013 | Dissolved |
| Csa Group (Ni) Ltd | NI028471 | 18/06/2008 | Dissolved |
| EASYWASTE LIMITED | 03982455 | 06/11/2013 | Dissolved |
| ENVIRO RESEARCH LIMITED | 04377818 | 06/11/2013 | Dissolved |
| FMH CONSULTING LTD | 04362869 | 05/06/2008 | Dissolved |
| 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 |
| INSITE ENVIRONMENTS LTD | 02949413 | 20/07/2009 | Dissolved |
| PICME LIMITED | 03956376 | 01/11/2019 | Dissolved |
| PROJECT PETRA BIDCO LIMITED | 12224288 | 28/10/2024 | One Red Flag |
| PROJECT PETRA TOPCO LIMITED | 12236310 | 25/09/2024 | Amber |
| ROSCOE POSTLE ASSOCIATES UK LIMITED | 07616720 | 03/09/2019 | Dissolved |
| SLR TRUSTEE LIMITED | 03882714 | 06/11/2013 | Not Trading |
| SOLAR HOLDINGS TOPCO LIMITED | 14159105 | 30/09/2022 | Amber |
| WATER SUSTAINABILITY LIMITED | 15734446 | 24/06/2024 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CARNSTONE PARTNERS LIMITED | 11394218 | 19/05/2023 | 01/07/2024 | Silver |
| CLEARLEAD CONSULTING LIMITED | 09191734 | 01/06/2022 | 01/07/2024 | Amber |
| CORPORATE CITIZENSHIP LIMITED | 03313879 | 24/03/2021 | 01/07/2024 | Amber |
| OPTIMISED ENVIRONMENTS (MANCHESTER) LIMITED | SC557371 | 31/12/2021 | 01/07/2024 | Amber |
| OPTIMISED ENVIRONMENTS LIMITED | SC359690 | 31/12/2021 | 01/07/2024 | Amber |
| RCS GLOBAL LTD | 06568651 | 01/10/2022 | 01/07/2024 | One Red Flag |
| SLR BD LIMITED | 11182615 | 21/06/2018 | 01/07/2024 | One Red Flag |
| SLR CONSULTING LIMITED | 03880506 | 28/10/2000 | 01/07/2024 | Amber |
| SLR GLOBAL LIMITED | 11182524 | 21/06/2018 | 01/07/2024 | Amber |
| SLR GROUP LIMITED | 02952410 | 15/12/1999 | 13/09/2004 | Not Trading |
| SLR HD LIMITED | 11182575 | 21/06/2018 | 01/07/2024 | Bronze |
| SLR HOLDINGS LIMITED | 05134073 | 06/11/2013 | 01/07/2024 | Silver |
| SLR INTERMEDIATE HOLDING COMPANY LIMITED | 04007623 | 06/11/2013 | 01/07/2024 | Not Trading |
| SLR MANAGEMENT LIMITED | 06538090 | 28/05/2008 | 01/07/2024 | Bronze |
| SLR MD LIMITED | 11182598 | 21/06/2018 | 01/07/2024 | Amber |
| SOLAR HOLDINGS BIDCO LIMITED | 14161246 | 30/09/2022 | 01/07/2024 | Amber |
| SOLAR HOLDINGS HOLDCO LIMITED | 14161650 | 30/09/2022 | 01/07/2024 | Amber |
| SOLAR HOLDINGS MIDCO 2 LIMITED | 14232097 | 30/09/2022 | 01/07/2024 | Amber |
| SOLAR HOLDINGS MIDCO LIMITED | 14159872 | 30/09/2022 | 01/07/2024 | Amber |
| VECTOS (NORTH) LIMITED | 07794057 | 03/03/2021 | 01/07/2024 | Amber |
| VECTOS HOLDINGS LIMITED | 09731604 | 03/03/2021 | 01/07/2024 | One Red Flag |
| VECTOS INFRASTRUCTURE LIMITED | 07949174 | 03/03/2021 | 01/07/2024 | Amber |
| VECTOS MICROSIM LIMITED | 09322829 | 03/03/2021 | 01/07/2024 | Amber |