| Company | Timeline | Status | |
| Protool Workshop Supplies Ltd Director • Engineering Contractor | 31 May 2007←1 Month→18 Jul 2007 | Dissolved | |
| Grant Properties (Fife) Limited Director • Construction Engineer | 15 Jul 1998←27 Years→26 Nov 2025 | Dissolved | |
| KMS (Fife) Limited Director • Construction Engineer | 22 Apr 1994←31 Years→4 Sep 2025 | Dissolved | |
| Grant Construction Services (Fife) Limited Director • Construction Engineer | 1 Dec 1988←36 Years→19 Sep 2025 | Dissolved | |
