| Company | Timeline | Status | |
| Nacle Limited Director • Chimney Engineering Consultant | 10 Oct 2018←5 Years→11 Jun 2024 | Dissolved | |
| Nace(2014) Limited Director • Heating Engineer | 17 Apr 2014←10 Years→11 Jun 2024 | Dissolved | |
| Nace(Csa) Limited Director • Heating Engineer | 17 Apr 2014←1 Year 2 Months→24 Jun 2015 | Dissolved | |
| N. A. C. E. Limited Director • Hetas Engineer | 12 Dec 2012←12 Years→Current | Active | |
