| Company | Timeline | Status | |
| Membrane Services Ltd Director • Director | 30 Dec 2020←3 Years→15 Oct 2024 | Dissolved | |
| Guaranteed Asphalt Holdings Limited Director • Director | 30 Dec 2020←4 Years→Current | Active | |
| Shield Membranes Limited Director • Director | 30 Dec 2020←4 Years→Current | Active | |
| Guaranteed Waterproofing Systems Ltd Director • Director | 30 Dec 2020←4 Years→Current | Active | |
| Guaranteed Asphalt Limited Director • Director | 30 Dec 2020←4 Years→Current | Active | |
