| Company | Timeline | Status | |
| R Simpson Holdings Ltd Director • Director | 16 Jul 2024←1 Year 5 Months→Current | Active | |
| Draintech Tankers.Com Limited Director • Company Director | 24 Aug 2015←10 Years→Current | Active | |
| C R Simpson Ltd Director • Director | 19 Mar 2015←10 Years→Current | Active | |
| Clanville Groundtech Ltd Director • Director | 27 Jan 2015←7 Years→4 Oct 2022 | Dissolved | |
| Clanville Draintech Limited Director • Director | 14 Mar 2013←12 Years→Current | Active | |
