| Company | Timeline | Status | |
| Denholm Shipping Company Limited Director • Shipowner | 7 Dec 1995←2 Years 4 Months→16 Apr 1998 | Active | |
| The Chamber Of Shipping Limited Director • Company Director | 7 Jun 1992←7 Years→1 Sep 1999 | Active | |
| The Mercantile Investment Trust Plc Director • Shipowner | 15 May 1992←2 Years 1 Month→5 Jul 1994 | Active | |
| J. & J. Denholm Limited Director • Shipowner | 24 Jul 1991←15 Years→9 May 2007 | Active | |
| Ferguson Marine Ltd Director • Director | 21 Feb 1991←4 Years→24 Jul 1995 | In Administration | |
| Denholm Brown Brothers & Company Limited Director • Shipowner | 25 May 1990←7 Years→16 Apr 1998 | Active | |
Vico Land & Estates Limited Director • Shipowner | 4 Dec 1989←3 Years→31 Mar 1993 | Dissolved | |
| Denholm Maritime Services Limited Director • Ship Owner | 25 Aug 1989←2 Years 2 Months→4 Nov 1991 | Active | |
| The Denholm Line Steamers Limited Director • Ship Owner | 25 Aug 1989←8 Years→16 Apr 1998 | Active | |
| Murray Johnstone Holdings Limited Director • Shipowner | 5 Jun 1989←3 Years→31 Mar 1993 | Dissolved | |
