| Company | Timeline | Status | |
| Otis Group Holdings Limited Director • Director | 27 Jan 2017←8 Years→Current | Active | |
| Otis-Services Limited Director • Manager | 20 Oct 2011←10 Years→26 Oct 2021 | Dissolved | |
| Otis Environmental Limited Director • Manager | 20 Oct 2011←14 Years→Current | Active | |
| Oil Tank Services Ltd Director • Director | 20 Nov 2008←12 Years→1 Dec 2020 | Dissolved | |
| Otis Group Services Limited Director • Director | 11 Oct 1999←26 Years→Current | Active | |
