| Company | Timeline | Status | |
| New Isla Limited Director • Director | 17 Sep 2008←17 Years→Current | Active | |
Seven Network (Operations) Limited Director • Director | 22 Apr 2002←13 Years→3 Aug 2015 | Converted/Closed | |
| Highland Properties Group Limited Director • Chartered Accountant | 28 Apr 1999←23 Years→11 Aug 2022 | Active | |
| Highland Properties (Motherwell) Limited Director • Chartered Accountant | 21 Apr 1999←23 Years→11 Aug 2022 | Dissolved | |
| R.M. Williams (UK) Limited Director • Chartered Accountant | 2 Sep 1994←9 Years→26 Sep 2003 | Active | |
| R.M.Williams Proprietary Limited Director • Chartered Accountant | 26 Nov 1993←9 Years→26 Sep 2003 | Active | |
| James Gammell & Son Limited Director • Company Director | 13 Aug 1992←33 Years→Current | Active | |
| Santos Bangladesh Limited Director • Chartered Accountant | 16 May 1990←11 Months→7 May 1991 | Active | |
Castle Cairn (Insurance Brokers) Limited Director • Chartered Accountant | 19 Dec 1988←4 Years→22 Oct 1993 | Dissolved | |
