| Company | Timeline | Status | |
| Renroc Estate Ltd Director • Engineer | 1 Mar 2019←4 Years→15 Aug 2023 | Dissolved | |
Party Wall Action Limited Director • Surveyor | 21 Mar 2016←2 Years 5 Months→28 Aug 2018 | Dissolved | |
| 4D Building Limited Director • Building Engineer | 30 Mar 2007←18 Years→Current | Active | |
| 4D Building Limited Director • Unreported | 30 Mar 2007←18 Years→31 Oct 2025 | Active | |
| Ambrose Design Services Limited Director • Unreported | 13 Aug 1997←28 Years→Current | Active | |
