| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BROADFIELD HOLDINGS LIMITED | 01097277 | 18/11/1997 | Silver |
| BROADFIELD PROPERTIES LIMITED | 06757525 | 11/01/2011 | Silver |
| CENTENARY BUSINESS PARK LIMITED | 04860875 | 08/08/2003 | Bronze |
| HARP PROPERTY INVESTMENTS LIMITED | 06807224 | 02/02/2009 | One Red Flag |
| LAITIER HOLDINGS LIMITED | 13812301 | 21/12/2021 | Silver |
| LANGLAND LIMITED | 12942664 | 12/10/2020 | Not Trading |
| LUKE LANE PROPERTY MANAGEMENT LIMITED | 13266647 | 15/03/2021 | Not Trading |
| OLD DAIRY PROPERTIES LIMITED | 05785265 | 19/04/2006 | Bronze |
| SKY HOUSE LIMITED | 13030901 | 19/11/2020 | Not Trading |
| SKY-HOUSE CO. (FOX VALLEY) LIMITED | 05090794 | 01/04/2004 | Bronze |
| SKY-HOUSE CO. (WAVERLEY) LIMITED | 10533276 | 20/12/2016 | One Red Flag |
| SKY-HOUSE CO. (WHITE ROSE) LIMITED | 12588167 | 06/05/2020 | One Red Flag |
| SKY-HOUSE CO. HOLDINGS LIMITED | 12807444 | 12/08/2020 | Not Trading |
| SKY-HOUSE CO. LIMITED | 12035504 | 05/06/2019 | One Red Flag |
| THE CONCEPTUA GROUP LIMITED | 02809701 | 04/02/1994 | Bronze |
| THE KELHAM ISLAND DEVELOPMENT CORPORATION LIMITED | 02266628 | 08/04/2019 | Dissolved |
| WELBURN ESTATES LTD | 13328699 | 31/07/2023 | Gold |
| WELBURN HOMES LIMITED | 05295772 | 24/11/2004 | Silver |
| WELLINGTON HOUSE ESTATES LIMITED | 01966462 | 28/02/1991 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ETERNO MEDICAL SKIN CLINIC LIMITED | 04807077 | 23/06/2003 | 08/04/2019 | Silver |
| SKY-HOUSE CO. (OUGHTIBRIDGE MILL) LIMITED | 12035594 | 05/06/2019 | 30/09/2024 | One Red Flag |
| SKY-HOUSE CO. (WAVERLEY) MANAGEMENT LIMITED | 11883029 | 14/03/2019 | 24/04/2023 | Not Trading |
| THE KELHAM ISLAND DEVELOPMENT CORPORATION LIMITED | 02266628 | 21/04/2000 | 11/12/2018 | Dissolved |
| WELBURN ESTATES LTD | 13328699 | 12/04/2021 | 18/01/2022 | Gold |