| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AREA SQ. LIMITED | 03874693 | 25/10/2019 | Silver |
| ASSOCIATED LEAD MILLS LTD. | 03382580 | 08/04/2021 | Bronze |
| ENVIROLEAD DISTRIBUTION LIMITED | 09175438 | 08/04/2021 | Bronze |
| ENVIROLEAD MIDCO LIMITED | 09173820 | 08/04/2021 | Gold |
| ENVIROLEAD RECYCLING LIMITED | 09175440 | 08/04/2021 | Bronze |
| ENVIROWALES LIMITED | 04296277 | 08/04/2021 | Silver |
| FOURFRONT GROUP LIMITED | 05733761 | 25/10/2019 | One Red Flag |
| FOURFRONT HOLDINGS LIMITED | 10079456 | 16/09/2019 | Bronze |
| HILL DICKINSON LLP | OC314079 | 01/05/2020 | Silver |
| INTERNATIONAL METAL INDUSTRIES LIMITED | 11776916 | 08/04/2021 | Silver |
| JAMESTOWN INDUSTRIES LIMITED | 03477187 | 08/04/2021 | Bronze |
| L & P TRADING LIMITED | 06523828 | 08/04/2021 | Silver |
| L&P ECOLEAD LIMITED | 08480353 | 08/04/2021 | Amber |
| MET-SEAM LIMITED | 05591263 | 08/04/2021 | One Red Flag |
| ROYSTON LEAD LIMITED | 00411322 | 08/04/2021 | Amber |
| ROYSTON SHEET LEAD LIMITED | 03031508 | 08/04/2021 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BSRIA LIMITED | 03942728 | 19/07/2007 | 01/05/2020 | Bronze |
| BUILDING SERVICES RESEARCH AND INFORMATION ASSOCIATION(THE) | 00632760 | 06/11/2007 | 01/05/2020 | Bronze |
| CLARKS SOLICITORS (READING) LIMITED | 02672443 | 30/04/2010 | 30/04/2020 | Not Trading |
| CLARKS SOLICITORS LIMITED | 02672444 | 30/04/2010 | 30/04/2020 | Not Trading |
| CLARKS TRUSTEES LIMITED | 03426360 | 31/08/2007 | 30/04/2020 | Not Trading |
| CLARKSLEGAL LLP | OC308349 | 01/08/2004 | 30/04/2020 | Silver |
| ENVIRONMENTAL INVESTMENT NETWORK LIMITED | 07078916 | 17/11/2009 | 30/04/2020 | Not Trading |
| FORBURY ENVIRONMENTAL LIMITED | 05652930 | 24/04/2009 | 30/04/2020 | Not Trading |
| FORBURY INVESTMENT NETWORK LIMITED | 07307015 | 07/07/2010 | 04/01/2019 | Dissolved |
| FORBURY INVESTMENTS LLP | OC334156 | 15/04/2008 | 30/04/2020 | Not Trading |
| FORBURY LONDON LIMITED | 06997108 | 21/08/2009 | 30/04/2020 | Amber |
| INGENIOUS FILM PARTNERS 2 LLP | OC314069 | 07/02/2006 | 06/04/2011 | Bronze |
| SOUTH EAST CENTRE FOR THE BUILT ENVIRONMENT LIMITED | 05338703 | 14/07/2021 | 17/07/2024 | Amber |
| STEEL CONSTRUCTION INSTITUTE(THE) | 01916698 | 11/11/2004 | 03/07/2008 | Silver |