| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BOUNDARY ROW MANAGEMENT COMPANY LIMITED | 11075228 | 21/11/2017 | Not Trading |
| KOSTADEL BUCKLEY LIMITED | 06329109 | 31/07/2007 | Not Trading |
| S. DENNIS JOINERY LTD | 10022554 | 23/02/2016 | Bronze |
| TIER BIM CONSULT LTD | 08957130 | 25/03/2014 | One Red Flag |
| TIER CONSULT (S E) LIMITED | 08614905 | 18/07/2013 | Bronze |
| TIER CONSULT LTD | 04638546 | 16/01/2003 | Gold |
| TIER ENVIRONMENTAL LIMITED | 05441804 | 03/05/2005 | Silver |
| TIER PROJECTS LTD | 03872445 | 18/12/2005 | Silver |
| TIER SECURITIES LIMITED | 07240829 | 30/04/2010 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| APEX CONSULTING ENGINEERS LIMITED | 07661675 | 08/06/2011 | 30/11/2020 | Silver |
| TERRA97 LTD | 10862464 | 12/07/2017 | 05/02/2020 | One Red Flag |