| Company | Timeline | Status | |
| Industrial Ventilation Projects Limited Director • Director | 10 Dec 1997←25 Years→30 Oct 2023 | Active | |
| Industrial Ventilation Products Limited Director • Director | 10 Apr 1997←26 Years→3 Oct 2023 | Active | |
Industrial Ventilation Services Ltd Director • Sheet Metal Working | 6 Oct 1994←24 Years→24 Dec 2018 | Dissolved | |
