| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BABTIE INTERNATIONAL LIMITED | SC062616 | 20/12/2007 | Dissolved |
| Carter & Burgess Ltd | FC025248 | 29/02/2008 | Dissolved |
| JACOBS INDUSTRIAL SERVICES UK LIMITED | 08111269 | 17/07/2012 | Dissolved |
| JACOBS SKM LIMITED | 02664685 | 12/11/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AMENTUM E&C LIMITED | 04967961 | 20/10/2014 | 05/12/2016 | Silver |
| AMENTUM ENTERPRISE ASSET SOLUTIONS CONSTRUCTION LIMITED | 08584259 | 17/07/2014 | 05/12/2016 | Silver |
| ASPINWALL & COMPANY LIMITED | 01946101 | 13/03/2015 | 05/12/2016 | Dissolved |
| BABTIE SHAW & MORTON LIMITED | SC142020 | 12/11/2007 | 05/12/2016 | Dissolved |
| COLIN BUCHANAN AND PARTNERS LIMITED | 01292315 | 06/07/2015 | 05/12/2016 | Dissolved |
| ENVIROS LIMITED | 03072541 | 13/03/2015 | 05/12/2016 | Strike Off |
| ENVIROS MANAGEMENT SERVICES LTD. | 03288557 | 13/03/2015 | 05/12/2016 | Dissolved |
| JACOBS EUROPE HOLDCO LIMITED | 09188414 | 28/08/2014 | 05/12/2016 | Bronze |
| JACOBS EUROPEAN HOLDINGS LIMITED | 01331542 | 12/11/2007 | 05/12/2016 | Dissolved |
| JACOBS U.K. LIMITED | 02594504 | 20/12/2011 | 05/12/2016 | Bronze |
| LEIGHFISHER U.K. LIMITED | 02653755 | 12/11/2007 | 05/12/2016 | Dissolved |
| PARTNERS FOR INFRASTRUCTURE LIMITED | 01331748 | 12/11/2007 | 05/12/2016 | Strike Off |
| RINGWAY JACOBS LIMITED | 05576465 | 19/12/2007 | 24/10/2016 | Silver |
| WORLEY E&C INTERNATIONAL LIMITED | 01896128 | 20/10/2014 | 05/12/2016 | Silver |
| WORLEY GROUP UK LIMITED | 02995682 | 20/10/2014 | 05/12/2016 | Bronze |