| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AEGIS TRUST | 04020958 | 28/05/2020 | Bronze |
| PW REDWOOD MANAGEMENT SERVICES LTD | 08927721 | 07/03/2014 | Dissolved |
| THE TWO ST. JAMES TRUST | 05874412 | 07/01/2023 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABB EUTECH LIMITED | 02566747 | 01/02/2000 | 31/01/2001 | Dissolved |
| AEGIS TRUST | 04020958 | 08/04/2014 | 01/07/2017 | Bronze |
| C R S WHOLESALE (CAMBRIDGE) LIMITED | 01273790 | 30/01/2015 | 20/10/2016 | Dissolved |
| RIDGEON GROUP LIMITED | 00253252 | 30/01/2015 | 20/10/2016 | Bronze |
| RIDGEON HOLDINGS LIMITED | 10303441 | 29/07/2016 | 30/09/2016 | One Red Flag |
| RIDGEON PROPERTIES LIMITED | 00428870 | 30/01/2015 | 20/10/2016 | Gold |
| RIDGEONS LIMITED | 02416904 | 30/01/2015 | 20/10/2016 | Gold |
| STEVENSTON HOLDINGS LIMITED | SC048881 | 10/02/2000 | 30/01/2002 | Not Trading |
| TARMAC HOLDINGS (THL) LIMITED | 00132583 | 15/12/2004 | 15/10/2007 | Not Trading |
| TARMAC LIMITED | NF003513 | 01/06/2004 | 15/10/2007 | Dissolved |
| TARMAC MARINE LIMITED | 02105370 | 01/11/2006 | 19/09/2007 | Bronze |
| TARMAC TRADING LIMITED | 00453791 | 01/06/2004 | 15/10/2007 | Bronze |
| TURLEY ASSOCIATES LTD | 02235387 | 01/06/2009 | 31/05/2012 | Silver |
| UNITED MARINE AGGREGATES LIMITED | 02336081 | 01/11/2006 | 19/09/2007 | Not Trading |
| UNITED MARINE HOLDINGS LIMITED | 02446702 | 01/11/2006 | 19/09/2007 | Dissolved |
| VENATOR MATERIALS UK LIMITED | 00832447 | 10/03/1995 | 18/08/1997 | Bronze |