| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| D.D.E. (HOLDINGS) LIMITED | 04495017 | 30/04/2024 | Bronze |
| DDE MB LIMITED | 13565558 | 30/04/2024 | Silver |
| DEMMA (LONDON) LIMITED | 04004320 | 08/06/2022 | Gold |
| DEMMA (SCOTLAND) LTD | SC587769 | 23/03/2018 | Gold |
| DEMMA CONTROLS LIMITED | 02927492 | 20/05/1999 | Silver |
| DEMMA ENERGY LTD | 11739637 | 24/12/2018 | Silver |
| DEMMA SERVICES LIMITED | 02669265 | 08/06/2022 | Bronze |
| DEMMA TECHNICAL INSTALLATIONS LTD | 11703452 | 29/11/2018 | Gold |
| DETAIL DESIGN ENGINEERING LIMITED | 02579170 | 30/04/2024 | Silver |
| NORDOMATIC HOLDING UK LTD | 13941869 | 04/08/2023 | Bronze |
| NORDOMATIC UK LTD | 10543203 | 04/01/2017 | Bronze |
| PILLINGER CONTROLS LIMITED | 04792106 | 12/07/2023 | Silver |
| PILLINGER GROUP LIMITED | 06948598 | 12/07/2023 | Bronze |
| POULCONN ASSETS LTD | 12475890 | 21/02/2020 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|