| Company | Timeline | Status | |
| Cottages And Castles Limited Director • Director  | 2 Jul 2010←9 Years→1 Oct 2019  | Dissolved  | |
| CKD Galbraith LLP Non-designated LLP Member • Unreported  | 5 Mar 2003←10 Years→31 Mar 2013  | Active  | |
| WNJ (Derculich) Limited Director • Unreported  | 13 May 1997←28 Years→Current  | Active  | |
| Derculich (Strathtay) Limited Director • Chartered Surveyor  | 16 Apr 1997←28 Years→Current  | Active  | |
| WNJ Holdings Limited Director • Unreported  | 18 Sep 1996←29 Years→Current  | Active  | |
| Locus Breadalbane Limited Director • Charterd Surveyor  | 22 Feb 1994←3 Years→11 Mar 1997  | Active  | |
| Norman Jackson (Flixborough) Limited Director • Estate Agent  | 24 Jul 1991←6 Years→26 Aug 1997  | Active  | |
| WNJ (Derculich) Limited Director • Farmer  | 30 Aug 1990←6 Years→10 Apr 1997  | Active  | |
