| Company | Timeline | Status | |
| R & M Firth Consulting Services Ltd Director • Unreported | 15 Jan 2025←9 Months→Current | Active | |
| CMRS Management Ltd Director • Unreported | 15 Jun 2022←3 Years→Current | Active | |
| Cooling And Heating Technology Ltd Director • Director | 16 Jan 2015←10 Years→Current | Active | |
| Cooling And Heating Technology Ltd Director • Director | 16 Jan 2015←9 Years→31 Dec 2024 | Active | |
| Calmak Ltd Director • Unreported | 9 May 2011←14 Years→Current | Active | |
