| Company | Timeline | Status | |
| Roger Martin Samels Limited Director • Chairman & Managing Director | 30 Sep 2024←1 Year 2 Months→Current | Active | |
Cranfield Audio Limited Director • Managing Director | 2 Jun 2009←10 Years→11 Jun 2019 | Dissolved | |
| The Keep Limited Director • Managing Director | 29 Oct 2001←21 Years→13 Mar 2023 | Active | |
Electrical Indicators Limited Director • Company Director | 10 Jan 2000←17 Years→30 May 2017 | Dissolved | |
Cranfield Electrical Limited Director • Company Director | 21 Dec 1990←26 Years→5 Jul 2017 | Dissolved | |
