| Company | Timeline | Status | |
| The Number Crunchers (Edinburgh) Ltd Director • Accountant | 18 Jan 2017←8 Years→Current | Active | |
| William Porteous And Company Limited Director • Accountant | 6 Apr 2008←11 Years→31 Mar 2020 | Dissolved | |
| Office Papers Limited Secretary • Accountant | 20 Apr 2007←11 Months→6 Apr 2008 | Active | |
| Hastie & Co (Edinburgh) Ltd Secretary • Accountant | 15 Nov 2006←1 Year 4 Months→6 Apr 2008 | Dissolved | |
Quay 4 (Fabrications) Limited Secretary • Accountant | 18 Aug 2006←1 Year 7 Months→6 Apr 2008 | Dissolved | |
| Earth Electrical Contractors Limited Secretary • Accountant | 25 Jan 2006←2 Years 2 Months→6 Apr 2008 | Active | |
| Kenco Limited Secretary • Unreported | 31 Mar 2005←3 Years→6 Apr 2008 | Active | |
| William Porteous And Company Limited Director • Accountant | 8 Apr 2004←3 Years→6 Apr 2008 | Dissolved | |
| William Porteous And Company Limited Secretary • Accountant | 8 Apr 2004←3 Years→6 Apr 2008 | Dissolved | |
Nitram Enterprises Limited Secretary • Business Controller | 9 Apr 1998←10 Years→6 Apr 2008 | Dissolved | |
