| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AQUATREAT UK LIMITED | 04273452 | 11/11/2019 | Dissolved |
| ATANA (SCOTLAND) LIMITED | SC356374 | 11/11/2019 | Dissolved |
| CLEARWATER COMPLIANCE LIMITED | 01344359 | 11/11/2019 | Dissolved |
| STEVEN INDUSTRIAL SERVICES (GLW) LIMITED | SC152089 | 11/11/2019 | Dissolved |
| ULTRAPUR LTD | 09141168 | 11/11/2019 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ADVANCE ENVIRONMENTAL LIMITED | 03735393 | 11/11/2019 | 16/11/2023 | Strike Off |
| AGRITECK SOLUTIONS LIMITED | 10345605 | 01/04/2021 | 16/11/2023 | Strike Off |
| AQUATREAT CHEMICAL PRODUCTS LIMITED | 01861601 | 11/11/2019 | 16/11/2023 | Dissolved |
| AQUATREAT GROUP LIMITED | 01149661 | 11/11/2019 | 16/11/2023 | Dissolved |
| ATANA LTD | 04345865 | 11/11/2019 | 16/11/2023 | One Red Flag |
| CLEARWATER GROUP LIMITED | 02494701 | 11/11/2019 | 16/11/2023 | Silver |
| CLEARWATER TECHNOLOGY LTD | 03659610 | 11/11/2019 | 16/11/2023 | One Red Flag |
| ELOGBOOKS FACILITIES MANAGEMENT LIMITED | 07259147 | 28/01/2021 | 16/11/2023 | One Red Flag |
| ELOGBOOKS FACILITIES SERVICES LTD | 11560925 | 28/01/2021 | 16/11/2023 | Bronze |
| ELOGBOOKS HOLDINGS LTD | 10234354 | 28/01/2021 | 16/11/2023 | Not Trading |
| G.P.C.S LIMITED | 06633594 | 11/11/2019 | 16/11/2023 | Dissolved |
| GUARDIAN WATER TREATMENT LTD | 03913977 | 11/11/2019 | 16/11/2023 | One Red Flag |
| HYDRO-X AIR LIMITED | 10312166 | 13/10/2021 | 16/11/2023 | Bronze |
| HYDRO-X ENGINEERING LIMITED | 12869490 | 13/10/2021 | 16/11/2023 | Bronze |
| HYDRO-X GROUP LIMITED | 09208285 | 13/10/2021 | 16/11/2023 | Not Trading |
| HYDRO-X TRAINING LIMITED | 11552549 | 13/10/2021 | 16/11/2023 | Bronze |
| HYDRO-X WATER TREATMENT LIMITED | 01818133 | 13/10/2021 | 16/11/2023 | Bronze |
| KINGFISHER ENVIRONMENTAL SERVICES LIMITED | 03823185 | 11/11/2019 | 16/11/2023 | One Red Flag |
| N-OV8 GROUP LIMITED | 06389937 | 06/01/2021 | 16/11/2023 | One Red Flag |
| PCS ASBESTOS CONSULTANTS LIMITED | 06999763 | 01/02/2023 | 16/11/2023 | Bronze |
| PHASE TECHNOLOGY (HOLDINGS) LIMITED | 04667814 | 21/03/2023 | 16/11/2023 | Bronze |
| PHASE TECHNOLOGY 2GEN HOLDINGS LIMITED | 10327059 | 21/03/2023 | 16/11/2023 | One Red Flag |
| PHASE TECHNOLOGY LIMITED | 02846944 | 21/03/2023 | 16/11/2023 | Silver |
| SANTIA ACCESS SOLUTIONS LIMITED | 11270573 | 06/09/2021 | 16/11/2023 | One Red Flag |
| SANTIA ASBESTOS MANAGEMENT LIMITED | 07511557 | 06/09/2021 | 16/11/2023 | One Red Flag |
| SANTIA CONSTRUCTION MANAGEMENT LIMITED | 05289555 | 06/09/2021 | 16/11/2023 | One Red Flag |
| SANTIA HOLDINGS LIMITED | 10509119 | 06/09/2021 | 16/11/2023 | Not Trading |
| SANTIA LIMITED | 11091094 | 06/09/2021 | 16/11/2023 | One Red Flag |
| STERLING HYDROTECH HOLDINGS LIMITED | 12123123 | 06/10/2021 | 16/11/2023 | Not Trading |
| STERLING HYDROTECH LIMITED | 02275897 | 06/10/2021 | 16/11/2023 | Silver |
| WCS ENVIRONMENTAL ENGINEERING LTD | 02583411 | 06/01/2021 | 16/11/2023 | One Red Flag |
| WCS ENVIRONMENTAL LIMITED | 02184649 | 11/11/2019 | 16/11/2023 | One Red Flag |
| WCS ENVIRONMENTAL SOUTH EAST LTD | 03157322 | 10/02/2022 | 16/11/2023 | Gold |
| WCS SERVICES INVICTA LIMITED | 02735065 | 01/03/2022 | 16/11/2023 | Silver |
| WCS SERVICES LIMITED | 05300448 | 11/11/2019 | 16/11/2023 | One Red Flag |
| WILLIAM MARTIN COMPLIANCE LIMITED | 05277497 | 28/01/2021 | 16/11/2023 | One Red Flag |