| Company | Timeline | Status | |
| Ventilation Ductwork Ltd Director • Company Director | 31 Jul 2024←1 Year 3 Months→Current | Active | |
Ductwork Ventilation Limited Director • Director | 4 Feb 2014←2 Years 6 Months→16 Aug 2016 | Dissolved | |
D B Ventilation Services Limited Director • None | 13 Apr 2010←4 Years→24 Mar 2015 | Dissolved | |
