| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AQUATERRA INTERNATIONAL LIMITED | 04135827 | 02/11/2023 | Silver |
| AQUATERRA UK LIMITED | 05550824 | 02/11/2023 | Not Trading |
| BASICSHARE LIMITED | 04742483 | 02/11/2023 | Dissolved |
| ECL GROUP LIMITED | 03108396 | 02/11/2023 | Not Trading |
| ECL RESOURCES MANAGEMENT, LIMITED | 02335589 | 02/11/2023 | Not Trading |
| ECL TECHNOLOGY LIMITED | 02394648 | 02/11/2023 | Not Trading |
| EMULOUS GROUP LIMITED | 03933269 | 02/11/2023 | Dissolved |
| ENERGY INNOVATIONS LIMITED | 02018831 | 02/11/2023 | Strike Off |
| EXPLORATION CONSULTANTS LIMITED | 02453804 | 02/11/2023 | Not Trading |
| FLOW CONTROL (WATER CONSERVATION) LIMITED | 01885610 | 02/11/2023 | Dissolved |
| GEOCON GROUP SERVICES LIMITED | 01799617 | 02/11/2023 | Not Trading |
| GEOPHYSICAL SAFETY RESOURCES LIMITED | 03205859 | 02/11/2023 | Strike Off |
| HYDROSEARCH ASSOCIATES LIMITED | 02867042 | 02/11/2023 | Not Trading |
| OCEANFIX INTERNATIONAL LIMITED | SC074452 | 02/11/2023 | Dissolved |
| QUAD ENGINEERING LIMITED | 02685357 | 02/11/2023 | Strike Off |
| R P S GROUP LIMITED | 02087786 | 02/11/2023 | Bronze |
| RPS CONSULTANTS LIMITED | 02182945 | 02/11/2023 | Not Trading |
| RPS CONSULTING SERVICES LIMITED | 01470149 | 02/11/2023 | Silver |
| RPS ENERGY SERVICES LIMITED | 02767480 | 02/11/2023 | Strike Off |
| RPS ENVIRONMENTAL MANAGEMENT LIMITED | 01756175 | 02/11/2023 | Silver |
| RPS GROUP US HOLDINGS LIMITED | 03030071 | 02/11/2023 | Strike Off |
| RPS HEALTH IN BUSINESS LIMITED | SC216515 | 02/11/2023 | Not Trading |
| RPS HERITAGE HOLDINGS LIMITED | 04340862 | 02/11/2023 | Not Trading |
| RPS HERITAGE LIMITED | 03303376 | 02/11/2023 | Strike Off |
| RPS IRELAND LIMITED | NI020604 | 02/11/2023 | Bronze |
| RPS LABORATORIES LIMITED | 02368537 | 02/11/2023 | Not Trading |
| RPS MOUNTAINHEATH LIMITED | 02772276 | 02/11/2023 | Silver |
| RPS OCCUPATIONAL HEALTH LIMITED | 03829586 | 29/11/2023 | Silver |
| RPS PLANNING & DEVELOPMENT LIMITED | 02947164 | 02/11/2023 | Not Trading |
| RPS TIMETRAX LIMITED | 02971028 | 02/11/2023 | Strike Off |
| RPS TRUSTEES LIMITED | 02880571 | 02/11/2023 | Not Trading |
| RUDALL BLANCHARD ASSOCIATES GROUP LIMITED | 04155029 | 02/11/2023 | Silver |
| SAFETY AND RELIABILITY CONSULTANTS LIMITED | 01826494 | 02/11/2023 | Dissolved |
| SCOTT PICKFORD LIMITED | 02153257 | 02/11/2023 | Not Trading |
| TETRA TECH RPS ENERGY CONSULTANTS LIMITED | 03287074 | 02/11/2023 | Silver |
| TETRA TECH RPS ENERGY LIMITED | 01465554 | 02/11/2023 | Silver |
| TROY-IKODA LIMITED | 03590805 | 02/11/2023 | Not Trading |
| TROY-IKODA MANAGEMENT LIMITED | 02936835 | 02/11/2023 | Strike Off |
| X-IPEC LIMITED | 01728570 | 02/11/2023 | Strike Off |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| NAUTILUS LIMITED | 03635033 | 02/11/2023 | 21/05/2024 | Not Trading |