| Company | Timeline | Status | |
| S.I.B.C.A.S. (Wales & West) Limited Director • Coy Director | 8 Dec 1991←34 Years→Current | Active | |
| Perma-Space Limited Director • Director | 10 Dec 1988←37 Years→Current | Active | |
| Sibcas Limited Director • Director | 10 Dec 1988←37 Years→Current | Active | |
| Netherwood Estates (Bathgate) Limited Director • Director | 10 Dec 1988←37 Years→Current | Active | |
| Sibcas (Holdings) Limited Director • Director | 10 Dec 1988←37 Years→Current | Active | |
| Building Services (Fauldhouse) Limited Director • Director | 10 Dec 1988←37 Years→Current | Active | |
| Perma-Space Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
| S.I.B.C.A.S. (Wales & West) Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
| Sibcas Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
| Netherwood Estates (Bathgate) Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
