| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Denholm Defence Ltd | 03829861 | 21/12/2005 | Dissolved |
| SERCO-DENHOLM LIMITED | 03158133 | 27/04/2004 | Dissolved |
| Serco-Denholm Shipping Co Ltd | 03323056 | 01/12/2004 | Dissolved |
| TANKTECH SERVICES (2011) LIMITED | 04496870 | 16/12/2011 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABLY RESOURCES LIMITED | SC279302 | 09/09/2005 | 09/05/2011 | Bronze |
| ALEXANDER BUCHAN LIMITED | SC117166 | 25/01/2007 | 04/09/2012 | Dissolved |
| CAWOODS (FISHCURERS) LIMITED | SC034153 | 25/01/2007 | 15/06/2007 | Silver |
| CUTHBERT SERVICE & JACKSON LIMITED | SC049653 | 09/08/1996 | 05/12/2002 | Dissolved |
| DENHOLM 9SJ LIMITED | SC244269 | 17/06/2004 | 18/09/2012 | Dissolved |
| DENHOLM BROWN BROTHERS & COMPANY LIMITED | SC009656 | 18/03/1993 | 27/04/2009 | Silver |
| DENHOLM CONTRACTING LIMITED | SC083579 | 12/08/1994 | 03/10/1994 | Dissolved |
| DENHOLM FISHSELLING LIMITED | SC032960 | 12/12/2006 | 26/03/2013 | Gold |
| DENHOLM GLOBAL LOGISTICS LIMITED | 02922837 | 26/11/2010 | 17/11/2011 | Silver |
| DENHOLM INDUSTRIAL SERVICES (HOLDINGS) LIMITED | SC300219 | 11/05/2006 | 26/03/2013 | Dissolved |
| DENHOLM MARITIME SERVICES LIMITED | SC075784 | 29/07/1996 | 17/07/2001 | Amber |
| DENHOLM MARITIME SERVICES LIMITED | SC075784 | 24/08/2006 | 12/09/2006 | Amber |
| DENHOLM OILFIELD SERVICES (KAZAKHSTAN) LIMITED | 01224704 | 06/06/2005 | 02/10/2006 | Silver |
| DENHOLM OILFIELD SERVICES GROUP LIMITED | SC257425 | 08/02/2006 | 26/03/2013 | Dissolved |
| DENHOLM PORT SERVICES LIMITED | SC032785 | 13/09/1996 | 16/09/1996 | Bronze |
| DENHOLM SEAFOODS HOLDINGS LIMITED | SC097796 | 03/02/2000 | 01/08/2002 | Dissolved |
| DENHOLM SEAFOODS LIMITED | SC344030 | 06/06/2008 | 04/07/2008 | Bronze |
| DENHOLM SEAFOODS LIMITED | SC344030 | 06/06/2008 | 26/03/2013 | Bronze |
| DENHOLM SHIPPING COMPANY LIMITED | 00709942 | 02/10/2003 | 26/03/2013 | Bronze |
| Denholm Access Systems Ltd | SC179061 | 22/10/1997 | 30/10/1997 | Dissolved |
| FIREMASTER EXTINGUISHER LIMITED | 00599245 | 30/10/2003 | 09/02/2004 | Dissolved |
| GALLIC MANAGEMENT COMPANY LIMITED | 00757463 | 09/09/2003 | 10/06/2005 | Dissolved |
| J. & J. DENHOLM LIMITED | 00955037 | 18/10/2007 | 27/03/2013 | Gold |
| PELAGIC FREEZING (SCOTLAND) LIMITED | SC214325 | 18/09/2008 | 19/11/2008 | Dissolved |
| SAILORS' ORPHAN SOCIETY OF SCOTLAND. (THE) | SC014761 | 25/11/1998 | 16/04/2013 | Silver |
| SD MARINE SERVICES (HOLDINGS) LIMITED | 06251300 | 17/07/2007 | 18/12/2008 | Bronze |
| SD MARINE SERVICES LIMITED | 06251034 | 17/07/2007 | 18/12/2008 | Silver |