| Company | Timeline | Status | |
| Sydney Smith Dennis Limited Director • Director | 12 Oct 2010←14 Years→11 Mar 2025 | Dissolved | |
| Bentley Instrument Company Limited Director • Director | 12 Oct 2010←15 Years→Current | Active | |
| The British Rototherm Company Limited Director • Director | 12 Oct 2010←15 Years→Current | Active | |
| RTD Products Limited Director • Director | 12 Oct 2010←14 Years→11 Mar 2025 | Dissolved | |
| Thermocouple Instruments Limited Director • Director | 12 Oct 2010←14 Years→11 Mar 2025 | Dissolved | |
| Cornelius Bros. (Engineers) Limited Director • Director | 12 Oct 2010←14 Years→11 Mar 2025 | Dissolved | |
| Kenfig Industries Limited Director • Director | 12 Oct 2010←14 Years→11 Mar 2025 | Dissolved | |
| Rototherm Group Limited Director • Director | 23 Jun 2010←15 Years→Current | Active | |
