| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AAA HOLDINGS LIMITED | 03916144 | 01/11/2023 | Not Trading |
| ADEY COMMERCIAL LIMITED | 10822650 | 01/11/2023 | One Red Flag |
| ADEY HOLDINGS (2008) LIMITED | 06738605 | 01/11/2023 | Amber |
| ADEY INNOVATION LIMITED | 05001590 | 01/11/2023 | Silver |
| ALDERBURGH LIMITED | 01501134 | 01/11/2023 | Bronze |
| ALPHA SCIENTIFIC LTD | 11506820 | 01/11/2023 | Amber |
| ENVIRONMENTAL SUSTAINABLE SOLUTIONS LTD | 03115064 | 01/11/2023 | Not Trading |
| EQUAFLOW LTD | 06800608 | 01/11/2023 | One Red Flag |
| FERROB VENTILATION LTD | 09263729 | 01/11/2023 | Dissolved |
| GENUIT GROUP PLC | 06059130 | 01/11/2023 | Gold |
| GENUIT LIMITED | 03101115 | 01/11/2023 | Insolvent |
| GENUIT UFH LIMITED | 15733512 | 05/08/2024 | Amber |
| GREY2GREEN LTD | 06710079 | 05/08/2024 | One Red Flag |
| HAMSARD 3774 LIMITED | 15733926 | 29/08/2024 | Amber |
| HAYES PIPES (ULSTER) LIMITED | NI009595 | 01/11/2023 | Insolvent |
| HOME VENTILATION (IRELAND) LIMITED | NI027937 | 01/11/2023 | Insolvent |
| INFRA GREEN LIMITED | 08786962 | 01/11/2023 | Not Trading |
| INSULATED DAMP-PROOF COURSE LIMITED | 03134569 | 01/11/2023 | Dissolved |
| KEYTEC GEOMEMBRANES LIMITED | 04159040 | 01/11/2023 | Silver |
| KEYTEC INSTALLATION SERVICES LIMITED | 07791386 | 01/11/2023 | Bronze |
| LIVING ROOF SUPPLIES LIMITED | 07358372 | 05/08/2024 | Not Trading |
| LONDON BIDCO LIMITED | 10203557 | 01/11/2023 | Bronze |
| LONDON FINCO LIMITED | 10202279 | 01/11/2023 | Not Trading |
| LONDON GREEN ROOF COMPANY LIMITED | 06449586 | 05/08/2024 | Not Trading |
| LONDON TOPCO LIMITED | 10201981 | 01/11/2023 | One Red Flag |
| MANTHORPE BUILDING PRODUCTS HOLDINGS LIMITED | 11285770 | 01/11/2023 | Not Trading |
| MANTHORPE BUILDING PRODUCTS LIMITED | 01971965 | 01/11/2023 | Silver |
| MASON PINDER (TOOLMAKERS) LIMITED | 01316158 | 01/11/2023 | Dissolved |
| NU-HEAT (HOLDINGS) LIMITED | 10655900 | 01/11/2023 | Not Trading |
| NU-HEAT UK LIMITED | 03131852 | 01/11/2023 | Silver |
| NU-OVAL ACQUISITIONS 1 LIMITED | 06206692 | 01/11/2023 | Insolvent |
| NU-OVAL ACQUISITIONS 2 LIMITED | 06206682 | 01/11/2023 | Insolvent |
| NU-OVAL ACQUISITIONS 3 LIMITED | 06206676 | 01/11/2023 | Insolvent |
| NUAIRE LIMITED | 00877308 | 01/11/2023 | Not Trading |
| NUHOLD LIMITED | 02897144 | 01/11/2023 | Dissolved |
| ORACSTAR LIMITED | 02273383 | 01/11/2023 | Insolvent |
| PERMAVOID LIMITED | 04369142 | 01/11/2023 | One Red Flag |
| PERMAVOID TECHNOLOGIES (USA) LIMITED | 08861713 | 01/11/2023 | Silver |
| PERMAVOID TECHNOLOGIES LIMITED | 08615405 | 01/11/2023 | Not Trading |
| PIPE HOLDINGS 1 PLC | 05472465 | 01/11/2023 | Not Trading |
| PIPE HOLDINGS 2 LIMITED | 05491747 | 01/11/2023 | Not Trading |
| PIPE HOLDINGS PLC | 05154231 | 01/11/2023 | Silver |
| PLUMBEXPRESS LIMITED | 04040435 | 01/11/2023 | Dissolved |
| PLURA COMPOSITES LTD | 08199525 | 15/05/2024 | One Red Flag |
| POCKET BED LIMITED | 06626152 | 05/08/2024 | Not Trading |
| POLYDECK LIMITED | 04320909 | 15/05/2024 | Silver |
| POLYPIPE (ULSTER) LIMITED | NI016612 | 01/11/2023 | Not Trading |
| POLYPIPE BUILDING PRODUCTS LIMITED | 02729243 | 01/11/2023 | Not Trading |
| POLYPIPE CIVILS LIMITED | 02628216 | 01/11/2023 | Not Trading |
| POLYPIPE COMMERCIAL BUILDING SYSTEMS LIMITED | 02561775 | 01/11/2023 | Dissolved |
| POLYPIPE GROUP 1 LIMITED | 04877942 | 01/11/2023 | Insolvent |
| POLYPIPE LIMITED | 01099323 | 01/11/2023 | Silver |
| POLYPIPE T.D.I. LIMITED | 02113078 | 01/11/2023 | Dissolved |
| POLYPIPE TERRAIN HOLDINGS LIMITED | 03689125 | 01/11/2023 | Insolvent |
| POLYPIPE TERRAIN LIMITED | 00761885 | 01/11/2023 | Insolvent |
| POLYPIPE TRADING LIMITED | 01720710 | 01/11/2023 | Insolvent |
| POLYPIPE VENTILATION LIMITED | 01977055 | 01/11/2023 | Insolvent |
| ROBIMATIC LIMITED | 01507994 | 01/11/2023 | Silver |
| SKY GARDEN LIMITED | 06215200 | 05/08/2024 | One Red Flag |
| SOLUTEK ENVIRONMENTAL LIMITED | 08714391 | 01/11/2023 | Silver |
| SURESTOP LIMITED | 05873694 | 01/11/2023 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| COMPOUND SEMICONDUCTOR CENTRE LIMITED | 09210371 | 28/03/2019 | 23/11/2022 | Bronze |
| EPI HOLDINGS LIMITED | 03170421 | 28/03/2019 | 07/06/2023 | Gold |
| IOT-X LIMITED | SC464072 | 01/06/2018 | 03/12/2018 | Dissolved |
| IQE (EUROPE) LIMITED | 02107558 | 28/03/2019 | 07/06/2023 | Bronze |
| IQE PLC | 03745726 | 04/02/2019 | 07/06/2023 | Amber |
| IQE SILICON COMPOUNDS LIMITED | 03986643 | 28/03/2019 | 07/06/2023 | One Red Flag |
| NANOGAN LIMITED | 06185471 | 28/03/2019 | 07/06/2023 | Gold |
| PELION IOT LIMITED | SC211701 | 01/06/2018 | 03/12/2018 | Amber |
| WAFER TECHNOLOGY INTERNATIONAL LIMITED | 02928144 | 28/03/2019 | 07/06/2023 | Gold |
| WAFER TECHNOLOGY LIMITED | 01829722 | 28/03/2019 | 07/06/2023 | Silver |