| Company | Timeline | Status | |
| Full Works Building Services Ltd Director • Building Services Consultant | 15 May 2019←1 Year 4 Months→1 Oct 2020 | Active | |
| Rostan International Development (UK) Limited Director • Technical Director | 15 Aug 2013←10 Years→17 Oct 2023 | Dissolved | |
| Air Handling UK Limited Director • Director | 26 Oct 2012←10 Years→25 Apr 2023 | Dissolved | |
| Interklima Limited Director • Manager | 10 Sep 2008←14 Years→10 Oct 2022 | Dissolved | |
| T.R. Commissioning Limited Director • Building Services Engineer | 25 Nov 1998←1 Month→25 Dec 1998 | Active | |
| T.R. Design Associates Limited Director • Director | 30 Jul 1991←9 Years→10 Jul 2001 | Active | |
