| Company | Timeline | Status | |
| Knowle Keep Management Company Limited Director • Engineer | 16 May 2008←17 Years→Current | Active | |
| T.C. Byrne Limited Director • Engineer | 14 Dec 2006←17 Years→31 Jan 2024 | Active | |
| Reality Estates Limited Director • Electrician | 1 Oct 2002←19 Years→11 Jan 2022 | Dissolved | |
