| Company | Timeline | Status | |
| S.I.B.C.A.S. (Wales & West) Limited Director • Coy Director | 8 Dec 1991←33 Years→Current | Active | |
| S.I.B.C.A.S. (Wales & West) Limited Secretary • Unreported | 8 Dec 1991←33 Years→Current | Active | |
| Perma-Space Limited Director • Director | 10 Dec 1988←36 Years→Current | Active | |
| Perma-Space Limited Secretary • Unreported | 10 Dec 1988←36 Years→Current | Active | |
| Sibcas Limited Director • Director | 10 Dec 1988←36 Years→Current | Active | |
| Sibcas Limited Secretary • Director | 10 Dec 1988←36 Years→Current | Active | |
| Netherwood Estates (Bathgate) Limited Director • Director | 10 Dec 1988←36 Years→Current | Active | |
| Netherwood Estates (Bathgate) Limited Secretary • Unreported | 10 Dec 1988←36 Years→Current | Active | |
| Sibcas (Holdings) Limited Director • Director | 10 Dec 1988←36 Years→Current | Active | |
| Sibcas (Holdings) Limited Secretary • Unreported | 10 Dec 1988←36 Years→Current | Active | |
