| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ASTRAEA BIDCO LIMITED | 13075708 | 21/12/2021 | Bronze |
| ASTRAEA TOPCO LIMITED | 13075056 | 21/12/2021 | One Red Flag |
| Association of Circulator Manufacturers Limited | 01252125 | 01/08/1997 | Dissolved |
| BRADBURY GROUP LIMITED | 02752887 | 29/06/2023 | Bronze |
| Central Heating Information Council Ltd | 03946402 | 14/05/2002 | Dissolved |
| Euro Environmental Services Ltd | 02942123 | 01/06/2000 | Dissolved |
| Europump Ltd | 00982983 | 01/06/2000 | Dissolved |
| GRUNDFOS ALLDOS LIMITED | 03260755 | 10/03/2009 | Dissolved |
| HEAT HOLDCO LIMITED | 12886694 | 04/11/2020 | One Red Flag |
| HEAT MIDCO 2 LIMITED | 12954448 | 04/11/2020 | One Red Flag |
| HEAT MIDCO LIMITED | 12945628 | 04/11/2020 | Bronze |
| INCINER8 HOLDINGS LIMITED | 08364458 | 04/11/2020 | Bronze |
| INCINER8 LIMITED | 04866401 | 04/11/2020 | Silver |
| IONIC ENGINEERING LIMITED | 02254117 | 20/12/2021 | Gold |
| IONIC MANUFACTURING LIMITED | 03022552 | 20/12/2021 | Not Trading |
| PACE GROUP HOLDING LTD | 15684893 | 03/07/2024 | Amber |
| PCML CAMBRIDGE LIMITED | 09476522 | 20/12/2021 | Not Trading |
| PCML HOLDINGS LIMITED | 09475815 | 21/12/2021 | Not Trading |
| PCML OXFORD LIMITED | 09476064 | 20/12/2021 | Not Trading |
| PRECISE COMPONENT MANUFACTURE LIMITED | 03244862 | 20/12/2021 | Silver |
| Sarlin Ltd | 02080733 | 01/06/2000 | Dissolved |
| TEVERSHAM PRECISION ENGINEERING LIMITED | 10382747 | 20/12/2021 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AGM FACILITIES LIMITED | 01372991 | 03/03/2023 | 29/02/2024 | Silver |
| AQUATRONIC GROUP MANAGEMENT LIMITED | 03426729 | 22/05/2023 | 29/02/2024 | Gold |
| ENGINEERING SAFETY INSPECTION SERVICES LIMITED | 03340216 | 03/03/2023 | 22/05/2023 | Amber |
| FLUID WATER SOLUTIONS LIMITED | 07899812 | 03/03/2023 | 30/04/2024 | Amber |
| GRUNDFOS GIVES BACK | 05928317 | 07/09/2006 | 30/11/2006 | Dissolved |
| GRUNDFOS PUMPS LIMITED | 00805960 | 01/08/1997 | 06/03/2014 | Gold |
| GRUNDFOS SERVICE LIMITED | 02028784 | 01/06/2000 | 09/05/2014 | Dissolved |
| GRUNDFOS WATERMILL LIMITED | 01666445 | 15/12/2006 | 25/02/2014 | Bronze |
| LONDON TOPCO LIMITED | 10201981 | 26/07/2016 | 10/02/2021 | One Red Flag |
| MIKROFILL 2000 LIMITED | 04088106 | 03/03/2023 | 29/02/2024 | Amber |
| MIKROFILL SYSTEMS LIMITED | 03068428 | 03/03/2023 | 29/02/2024 | Bronze |
| STUART TURNER LIMITED | 00088368 | 03/03/2023 | 29/02/2024 | Gold |
| TEMPLE BIDCO LIMITED | 10895845 | 31/08/2017 | 29/02/2024 | One Red Flag |
| TEMPLE MIDCO LIMITED | 10895444 | 31/08/2017 | 29/02/2024 | Amber |
| TEMPLE TOPCO LIMITED | 10895128 | 03/03/2023 | 29/02/2024 | Bronze |
| VICTORIA BIDCO LIMITED | 13789728 | 28/01/2022 | 29/02/2024 | Bronze |