| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 3SUN ACADEMY LIMITED | 03398155 | 25/10/2019 | 03/08/2020 | Dissolved |
| 3SUN CONTROLS LIMITED | 07520705 | 25/10/2019 | 03/08/2020 | Dissolved |
| 3SUN ENERGY LIMITED | 07520668 | 25/10/2019 | 04/08/2020 | Dissolved |
| 3SUN GROUP LIMITED | 06778905 | 25/10/2019 | 03/08/2020 | One Red Flag |
| 3SUN INSPECTION SERVICES LIMITED | 07589128 | 25/10/2019 | 03/08/2020 | One Red Flag |
| 3SUN LIMITED | 05995667 | 25/10/2019 | 03/08/2020 | Dissolved |
| 3SUN SUBSEA LIMITED | 08643671 | 25/10/2019 | 03/08/2020 | Dissolved |
| ACCESS INSPECTION DEVELOPMENT LTD | 03494746 | 25/10/2019 | 03/08/2020 | Dissolved |
| AMENTUM E&C LIMITED | 04967961 | 02/11/2016 | 26/04/2019 | Silver |
| AMENTUM ENTERPRISE ASSET SOLUTIONS CONSTRUCTION LIMITED | 08584259 | 03/11/2016 | 26/04/2019 | Silver |
| AMENTUM ENTERPRISE ASSET SOLUTIONS LIMITED | 01172655 | 26/02/2016 | 26/04/2019 | One Red Flag |
| BCECA LIMITED | 10895628 | 02/08/2017 | 21/02/2018 | One Red Flag |
| DAWSON ENERGY LIMITED | SC264677 | 25/10/2019 | 03/08/2020 | One Red Flag |
| DEFENCE CONTRACTOR MANAGEMENT AND OPERATIONS LIMITED | 03664571 | 15/09/2015 | 09/08/2017 | Not Trading |
| JACOBS ENGINEERING UK LIMITED | 02527622 | 24/07/2018 | 26/04/2019 | Dissolved |
| JACOBS EUROPEAN HOLDINGS LIMITED | 01331542 | 05/09/2018 | 26/04/2019 | Dissolved |
| JACOBS TWO LIMITED | SC580155 | 05/09/2018 | 26/04/2019 | Bronze |
| JACOBS U.K. LIMITED | 02594504 | 21/03/2016 | 26/04/2019 | Bronze |
| JACOBS UK HOLDINGS LIMITED | 04420029 | 16/11/2016 | 26/04/2019 | Gold |
| JACOBSGIBB LTD | 02387707 | 05/09/2018 | 26/04/2019 | Silver |
| L.E.S. CONSTRUCTION LIMITED | 02857923 | 05/09/2018 | 26/04/2019 | Dissolved |
| LEIGHFISHER U.K. LIMITED | 02653755 | 05/09/2018 | 26/04/2019 | Dissolved |
| LINDSEY ENGINEERING SERVICES LIMITED | 05292423 | 05/09/2018 | 26/04/2019 | Dissolved |
| RRC CONTROLS SERVICES LIMITED | SC200447 | 25/10/2019 | 03/08/2020 | Silver |
| WESTMINSTER AND EARLEY SERVICES LIMITED | 00500510 | 05/09/2018 | 26/04/2019 | Dissolved |
| WORLEY E&C INTERNATIONAL LIMITED | 01896128 | 02/11/2016 | 03/08/2020 | Silver |
| WORLEY EAMES HOLDINGS LIMITED | 05202088 | 05/03/2020 | 28/08/2020 | Silver |
| WORLEY EUROPE LTD | 04334425 | 13/06/2019 | 03/08/2020 | Bronze |
| WORLEY FIELD SERVICES LIMITED | 00454398 | 02/11/2016 | 03/08/2020 | One Red Flag |
| WORLEY UK FINANCE SUB NO. 2 LTD | 10517623 | 05/03/2020 | 31/07/2020 | N/A |
| WORLEY UK FINANCE SUB NO. 3 LTD | 11908991 | 05/03/2020 | 31/07/2020 | Amber |
| WORLEY UK FINANCE SUB PLC | 06511509 | 05/03/2020 | 31/07/2020 | Bronze |
| WORLEY UK HOLDINGS LTD | 11024710 | 05/03/2020 | 31/07/2020 | One Red Flag |
| WORLEY UK PTY LIMITED | 07441549 | 05/03/2020 | 28/08/2020 | One Red Flag |
| WORLEY-KGNT KAZAKHSTAN ENGINEERING LIMITED | 08933912 | 05/03/2020 | 13/10/2020 | Bronze |