| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 3SUN CONTROLS LIMITED | 07520705 | 25/10/2019 | Dissolved |
| 3SUN ENERGY LIMITED | 07520668 | 25/10/2019 | Dissolved |
| ACCESS INSPECTION DEVELOPMENT LTD | 03494746 | 25/10/2019 | Dissolved |
| INGEN HOLDINGS LIMITED | SC292720 | 18/07/2018 | Dissolved |
| PERFORMANCE IMPROVEMENTS (P I) LIMITED | SC173714 | 18/07/2018 | Dissolved |
| PERFORMANCE IMPROVEMENTS (PI) GROUP LIMITED | SC209758 | 18/07/2018 | Dissolved |
| PI GAS TURBINES LIMITED | SC209759 | 18/07/2018 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 3SUN ACADEMY LIMITED | 03398155 | 25/10/2019 | 04/05/2022 | Dissolved |
| 3SUN GROUP LIMITED | 06778905 | 25/10/2019 | 04/05/2022 | Amber |
| 3SUN INSPECTION SERVICES LIMITED | 07589128 | 25/10/2019 | 04/05/2022 | Amber |
| 3SUN LIMITED | 05995667 | 25/10/2019 | 04/05/2022 | Dissolved |
| 3SUN SUBSEA LIMITED | 08643671 | 25/10/2019 | 04/05/2022 | Dissolved |
| DAWSON ENERGY LIMITED | SC264677 | 25/10/2019 | 04/05/2022 | Amber |
| INGEN-IDEAS LIMITED | SC204755 | 18/07/2018 | 29/11/2024 | Bronze |
| PRIMAT RECRUITMENT LIMITED | 01535391 | 18/07/2018 | 26/11/2024 | Gold |
| RRC CONTROLS SERVICES LIMITED | SC200447 | 25/10/2019 | 04/05/2022 | Gold |
| SCOPUS ENGINEERING HOLDINGS LTD | SC229295 | 18/07/2018 | 31/07/2024 | Not Trading |
| SCOPUS ENGINEERING LIMITED | SC129734 | 18/07/2018 | 26/11/2024 | Silver |
| SCOPUS GROUP (HOLDINGS) LIMITED | SC440332 | 18/07/2018 | 31/07/2024 | Not Trading |
| SPECIALIST EQUIPMENT SOLUTIONS LIMITED | 01270073 | 18/07/2018 | 13/12/2024 | Bronze |
| WORLEY SERVICES UK LIMITED | SC572221 | 18/07/2018 | 04/11/2024 | Amber |