| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ATFORM LIMITED | 03589474 | 30/07/2021 | Dissolved |
| BALLTEC LIMITED | 05188491 | 23/03/2024 | Amber |
| BRACKENBURN LIMITED | 06664648 | 05/08/2015 | Dissolved |
| CID1 LIMITED | 07631582 | 30/07/2021 | Dissolved |
| DRIPS LIMITED | 01497315 | 30/07/2021 | Dissolved |
| DYNO DEVELOPMENTS LIMITED | 04257545 | 30/07/2021 | Dissolved |
| DYNO-PLUMBING LIMITED | 03360122 | 30/07/2021 | Dissolved |
| DYNO-SECURITY SERVICES LIMITED | 03359974 | 30/07/2021 | Dissolved |
| DYNO-SERVICES LIMITED | 03359734 | 30/07/2021 | Dissolved |
| GAVIN AND DOHERTY GEOSOLUTIONS (UK) LIMITED | 08869557 | 22/04/2024 | One Red Flag |
| GEOFORCE TECHNICAL SERVICES LIMITED | SC560913 | 18/10/2024 | Silver |
| HILLSERVE LIMITED | 01904113 | 30/07/2021 | Dissolved |
| HYDROGRAPHIC PERSONNEL RESOURCES (UK) LIMITED | SC701138 | 18/10/2024 | Amber |
| OCEANSCAN HOLDINGS LIMITED | SC173648 | 18/10/2024 | Silver |
| OCEANSCAN LIMITED | SC116255 | 18/10/2024 | Silver |
| P.H. JONES FACILITIES MANAGEMENT LTD | 01606880 | 30/06/2021 | Dissolved |
| REPAIR AND CARE LIMITED | 03667800 | 30/07/2021 | Dissolved |
| SERCAL NON DESTRUCTIVE TEST EQUIPMENT LIMITED | 03733273 | 18/10/2024 | Silver |
| SOREN LIMITED | 05066192 | 30/07/2021 | Dissolved |
| VENTERRA APAC LIMITED | 14615822 | 25/10/2023 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRITISH GAS FINANCE LIMITED | 06796004 | 30/06/2021 | 01/12/2022 | Silver |
| BRITISH GAS INSURANCE LIMITED | 06608316 | 16/12/2021 | 01/12/2022 | Gold |
| BRITISH GAS NEW HEATING LIMITED | 06723244 | 09/09/2022 | 01/12/2022 | Bronze |
| BRITISH GAS SERVICES (COMMERCIAL) LIMITED | 07385984 | 24/01/2018 | 28/07/2020 | One Red Flag |
| BRITISH GAS SERVICES LIMITED | 03141243 | 16/12/2021 | 01/12/2022 | Silver |
| BRITISH GAS SOCIAL HOUSING LIMITED | 01026007 | 30/06/2021 | 01/12/2022 | One Red Flag |
| CENTRICA PENSION TRUSTEES LIMITED | 03479981 | 01/05/2018 | 19/09/2019 | Not Trading |
| DYNO-ROD LIMITED | 01046906 | 30/06/2021 | 01/12/2022 | Gold |
| ECL CONTRACTS LIMITED | 02709538 | 08/09/2021 | 01/12/2022 | Not Trading |
| ECL INVESTMENTS LIMITED | 07067577 | 08/09/2021 | 01/12/2022 | Not Trading |
| HOME ASSISTANCE UK LIMITED | 05955557 | 09/09/2022 | 01/12/2022 | Dissolved |
| P.H JONES GROUP LIMITED | 06474145 | 30/06/2021 | 01/12/2022 | Gold |