| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A.C.E. INDUSTRIAL PLASTICS LIMITED | 00744432 | 23/11/2023 | Silver |
| ACCORD BUSINESS SOLUTIONS LIMITED | SC683354 | 17/02/2021 | Silver |
| ACIEM GROUP LIMITED | 03341154 | 04/03/2020 | One Red Flag |
| AQUAZONE GROUP LIMITED | 14742711 | 27/09/2024 | Bronze |
| AQUAZONE LIMITED | 03066917 | 27/09/2024 | Bronze |
| BIDSTON HOLDINGS LIMITED | 14132388 | 04/04/2024 | Silver |
| BIOMATRIX WATER SOLUTIONS LIMITED | SC427465 | 29/10/2024 | Gold |
| BLACKBURN STARLING & COMPANY LIMITED | 02122329 | 21/07/2021 | Silver |
| BROADWAY BIDCO LIMITED | SC771084 | 18/08/2023 | Bronze |
| BROADWAY HOLDCO LIMITED | SC771044 | 18/08/2023 | Bronze |
| BROADWAY MIDCO LIMITED | SC771002 | 18/08/2023 | Bronze |
| BROADWAY TOPCO LIMITED | SC770983 | 18/08/2023 | Bronze |
| C.P.E. (HOLDINGS) LIMITED | 11205131 | 14/02/2018 | Bronze |
| C.P.E. PNEUMATICS LIMITED | 00973574 | 09/03/2018 | Dissolved |
| CHEM RESIST GROUP LIMITED | 01437508 | 23/11/2023 | Silver |
| CHEM RESIST HOLDINGS LIMITED | 06509898 | 23/11/2023 | Silver |
| CHEM-RESIST (N.E.) LIMITED | 01144922 | 23/11/2023 | Silver |
| CHEM-RESIST PLASTIC FABRICATIONS LIMITED | 00686031 | 23/11/2023 | Silver |
| CO-AT MARINE LIMITED | SC289512 | 07/12/2022 | Bronze |
| CPE PRESSURE VESSELS LIMITED | 00455384 | 09/03/2018 | Bronze |
| DP SYSTEMS (SCOTLAND) LIMITED | SC265698 | 19/04/2022 | Bronze |
| DPS GROUP LTD | SC328334 | 19/04/2022 | Silver |
| ECF SPECIAL ALLOYS LIMITED | 04102011 | 13/09/2022 | One Red Flag |
| ECOPAD (SCOTLAND) LIMITED | SC563052 | 06/06/2017 | One Red Flag |
| ENVOY & PARTNERS LIMITED | SC612941 | 30/11/2018 | Silver |
| ENVOY CAPITAL MANAGEMENT LIMITED | SC521829 | 30/03/2016 | Bronze |
| ENVOY ESTATES LIMITED | SC779033 | 10/10/2023 | Bronze |
| ENVOY GROUP HOLDINGS LIMITED | SC741865 | 04/10/2022 | Silver |
| ENVOY GROWTH PARTNERS LIMITED | SC736164 | 22/07/2022 | Silver |
| GEG (HOLDINGS) LIMITED | SC415463 | 29/03/2012 | Silver |
| GENERAL PANEL SYSTEMS LIMITED | 01310922 | 11/07/2022 | Gold |
| GES HOLDCO LTD | 10219253 | 04/10/2022 | Bronze |
| GQS GROUP LIMITED | SC758822 | 20/06/2023 | Bronze |
| GQS-UK LIMITED | SC369647 | 01/02/2019 | Silver |
| GREENACRE ENVIRONMENTAL SYSTEMS LIMITED | 09117078 | 04/10/2022 | Bronze |
| I P S OFFSHORE LTD. | 07164328 | 31/03/2014 | Dissolved |
| JGC ENGINEERING AND TECHNICAL SERVICES LIMITED | SC067528 | 19/04/2023 | One Red Flag |
| LANGFIELDS GROUP LIMITED | SC646388 | 24/04/2020 | Bronze |
| LANGFIELDS LIMITED | 01901403 | 31/03/2015 | Bronze |
| MODUTEC LIMITED | SC229316 | 01/02/2019 | Silver |
| MTD SOUTH WEST LTD | 10267564 | 04/03/2020 | Silver |
| MURRAY TECHNICAL SERVICES LIMITED | 08468765 | 13/08/2020 | Silver |
| NORTH HILL LIMITED | 04760393 | 02/06/2021 | Bronze |
| PREMIUM FABRICATIONS LIMITED | 11263675 | 06/11/2024 | Bronze |
| RSE CONTROL SYSTEMS LIMITED | SC181373 | 01/02/2019 | One Red Flag |
| RSE WATER TECHNOLOGIES LIMITED | SC738915 | 04/10/2022 | Bronze |
| SAFTRONICS GROUP LIMITED | 07121201 | 15/05/2019 | Silver |
| SAFTRONICS LIMITED | 01935773 | 15/05/2019 | Silver |
| SEAKING ELECTRICAL LIMITED | 04204287 | 04/04/2024 | Silver |
| SHEERS LIMITED | 01347974 | 10/03/2021 | Silver |
| TECHNICAL CONTROL SYSTEMS LIMITED | 00950111 | 02/06/2021 | Silver |
| TRIFOLIATA LTD | SC783109 | 29/10/2024 | Bronze |
| VIEWFIRTH MANAGEMENT LIMITED | SC418140 | 24/06/2022 | Bronze |
| W.E.S. LTD. | 03086750 | 23/07/2020 | Silver |
| W.H. CAPPER (UK) LTD | 01838068 | 07/12/2021 | Silver |
| WATERMECH SERVICES LTD. | 05157679 | 23/07/2020 | Not Trading |
| WESCHEM LTD. | 07696105 | 23/07/2020 | One Red Flag |
| WILFORD LIMITED | 05153253 | 15/06/2021 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AVANTIS HOLDCO LIMITED | SC658572 | 07/05/2020 | 19/10/2022 | Silver |
| AVANTIS MARINE LIMITED | 11496188 | 27/07/2020 | 19/10/2022 | Silver |
| ENVOY TRAINING LIMITED | SC397450 | 01/02/2019 | 14/07/2020 | Not Trading |
| GEG CAPITAL (HOWE MOSS) LIMITED | SC398787 | 29/03/2012 | 30/06/2020 | Silver |
| GLOBAL ENERGY GROUP (ACCESS & COATINGS) LIMITED | SC446300 | 04/06/2013 | 15/06/2020 | Dissolved |
| GLOBAL HIGHLAND LIMITED | SC497149 | 01/04/2015 | 01/02/2019 | Bronze |
| GLOBAL PROJECT (SERVICES) LIMITED | SC172021 | 26/01/2004 | 15/06/2020 | One Red Flag |
| GLOBAL RESOURCE MANAGEMENT LIMITED | SC216749 | 26/01/2004 | 14/07/2020 | Bronze |
| VERTECH INTEGRITY SERVICES LIMITED | SC474388 | 01/05/2014 | 12/06/2020 | Dissolved |