| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRADMAN-LAKE GROUP LIMITED | 06287004 | 01/04/2018 | Not Trading |
| BRADMAN-LAKE LIMITED | 06287006 | 01/04/2018 | Bronze |
| BUTTERLEY LIMITED | 06858652 | 01/04/2018 | Not Trading |
| CLARKE CHAPMAN LIMITED | 04120617 | 01/02/2019 | Silver |
| CLARKE CHAPMAN MACHINING LIMITED | 05757984 | 01/04/2018 | Not Trading |
| CLARKE CHAPMAN MANUFACTURING LIMITED | 04120710 | 01/04/2018 | Not Trading |
| COWANS SHELDON LIMITED | 04120626 | 01/04/2018 | Not Trading |
| DRUCK CHEMIE U.K. LTD. | SC131877 | 01/04/2018 | One Red Flag |
| GKN HYDROGEN LIMITED | 13492526 | 29/07/2024 | Bronze |
| H Q ENGINEERS LIMITED | 00051069 | 01/04/2018 | Not Trading |
| IBONHART (NORWICH) LIMITED | 01503766 | 01/11/2018 | Dissolved |
| JND TECHNOLOGIES LIMITED | 02517919 | 01/04/2018 | Gold |
| LANGLEY AVIATION LIMITED | 03903032 | 01/04/2018 | Amber |
| LANGLEY HOLDINGS PLC | 01321615 | 21/10/2015 | Gold |
| MACKLEY PUMPS LIMITED | 04179003 | 01/04/2018 | Not Trading |
| MARELLI UK LIMITED | 01787809 | 01/07/2019 | Not Trading |
| MIKENBOARD LIMITED | 04028711 | 01/04/2018 | Not Trading |
| OAKDALE HOMES LIMITED | 02922110 | 29/08/2013 | Amber |
| OAKDALE PROPERTIES LIMITED | 07525468 | 01/04/2014 | One Red Flag |
| PRESS CHEM UK LIMITED | 07078186 | 01/04/2020 | Not Trading |
| SHEETFED HOLDINGS LIMITED | 07930352 | 01/04/2018 | Silver |
| STOTHERT & PITT LIMITED | 04120674 | 01/04/2018 | Not Trading |
| WELLMAN BOOTH LIMITED | 04120644 | 01/04/2018 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| MANROLAND SHEETFED (UK) LIMITED | 07945398 | 22/03/2019 | 01/05/2022 | Bronze |