| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| KNIGHTS CRYSTAL LTD | 09585870 | 12/05/2015 | Bronze |
| KNIGHTS GLOBAL PROPERTY LTD | 08156895 | 25/07/2012 | Silver |
| THE FIT CORPORATION LIMITED | 03665853 | 17/11/2009 | Dissolved |
| UH TRUST | 08272294 | 07/07/2015 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| EXEMPLAS LIMITED | 04106751 | 31/03/2017 | 01/01/2023 | Gold |
| KINGSHILL JEWELLERS LIMITED | 01211336 | 04/05/2004 | 29/02/2016 | One Red Flag |
| KINGSHILL JEWELLERS LIMITED | 01211336 | 30/10/1996 | 29/02/2016 | One Red Flag |
| PATHWAYS2WELLBEING LIMITED | 08315265 | 16/01/2013 | 12/03/2014 | Dissolved |
| TAVISTOCK INSTITUTE OF HUMAN RELATIONS(THE) | 00442517 | 22/05/2013 | 30/09/2019 | Bronze |
| THE HARPENDEN SECONDARY SCHOOLS TRUST | 07441455 | 12/12/2013 | 13/02/2024 | Not Trading |
| UH INVEST LIMITED | 06679193 | 21/08/2008 | 31/07/2010 | Dissolved |
| UH VENTURES LIMITED | 02350584 | 08/07/2009 | 31/12/2023 | Gold |