| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| LENNOX ASSOCIATES LTD | SC379463 | 01/06/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A.& R.HEPBURN (ENGINEERING) LIMITED | SC064842 | 01/10/2012 | 07/11/2013 | Dissolved |
| ABERDEEN SCIENCE CENTRE | SC113666 | 22/08/2023 | 23/04/2024 | Bronze |
| ALERT SEAFOODS(ABERDEEN)LIMITED | SC059126 | 01/10/2012 | 06/11/2013 | Dissolved |
| ANDERCO (ABERDEEN) LIMITED | SC056887 | 01/10/2012 | 06/11/2013 | Dissolved |
| ARL HOLDINGS LIMITED | SC178120 | 01/10/2012 | 07/11/2013 | Dissolved |
| ASCO DECOMMISSIONING LIMITED | SC180242 | 01/10/2015 | 31/08/2018 | Amber |
| ASCO MARINE LIMITED | SC316087 | 22/07/2016 | 31/08/2018 | Amber |
| ASCO UK LIMITED | SC029934 | 21/08/2014 | 31/08/2018 | Silver |
| CAPITO HOLDINGS LIMITED | SC304913 | 16/11/2010 | 26/04/2022 | Amber |
| CAPITO LIMITED | SC127071 | 16/11/2010 | 26/04/2022 | Silver |
| FARQUHAR & ROSIE LIMITED | SC046162 | 01/10/2012 | 06/11/2013 | Dissolved |
| GRAMPIAN MARINE SERVICES LIMITED | SC066847 | 01/10/2012 | 06/11/2013 | Dissolved |
| IRVIN & CLARKE LIMITED | 01093840 | 01/10/2012 | 06/11/2013 | Dissolved |
| NORM SOLUTIONS LIMITED | SC191748 | 17/03/2016 | 31/08/2018 | One Red Flag |
| PARKINSON-TWADDLE LIMITED | SC066288 | 01/10/2012 | 06/11/2013 | Dissolved |
| R I COMBINED PARKINSON SERVICES LIMITED | SC060034 | 01/10/2012 | 06/11/2013 | Dissolved |
| RICHARD IRVIN & SONS LIMITED | 00096281 | 01/10/2012 | 07/11/2013 | One Red Flag |
| RICHARD IRVIN (2015) LIMITED | SC071091 | 01/10/2012 | 06/11/2013 | Dissolved |
| RICHARD IRVIN (NEWCO) LIMITED | SC078372 | 01/10/2012 | 07/11/2013 | Dissolved |
| RICHARD IRVIN FABRICATIONS LIMITED | SC063804 | 01/10/2012 | 06/11/2013 | Dissolved |
| RICHARD IRVIN OFFSHORE LIMITED | SC061521 | 01/10/2012 | 06/11/2013 | Strike Off |
| RICHARD IRVIN PLATFORM MAINTENANCE LIMITED | SC064950 | 01/10/2012 | 06/11/2013 | Dissolved |
| RICHARD IRVIN SERVICES LIMITED | SC071427 | 01/10/2012 | 06/11/2013 | Dissolved |
| RICHARD IRVIN SUSTAINABLE ENERGY LIMITED | SC396527 | 01/10/2012 | 07/11/2013 | Dissolved |
| VERTECH-IRVIN LIMITED | SC331757 | 01/10/2012 | 06/11/2013 | Dissolved |