| Company | Timeline | Status | |
| R Simpson Holdings Ltd Director • Unreported  | 16 Jul 2024←1 Year 3 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  | |
