| Company | Timeline | Status | |
| Levertonhelm (Holdings) Limited Director • Managing Director | 25 Mar 2010←13 Years→24 Aug 2023 | Active | |
| Levertonhelm Contracts Limited Director • Managing Director | 3 Dec 2007←15 Years→24 Aug 2023 | Active | |
| Levertonhelm Limited Director • Managing Director | 3 Dec 2007←15 Years→24 Aug 2023 | Active | |
