| Company | Timeline | Status | |
| Michael Evans & Associates Limited Director • Director | 3 Apr 2017←8 Years→Current | Active | |
| Signal House Properties Limited Director • Director | 8 Aug 2008←17 Years→Current | Active | |
| SH Lighting Ltd Director • Operations Director | 19 Jun 2008←17 Years→9 Aug 2025 | Dissolved | |
| Collis Engineering Limited Director • Company Director | 1 May 2006←19 Years→Current | Active | |
| Nasalt Limited Director • Operations Director | 10 Mar 2005←6 Years→25 Jul 2011 | Active | |
| Signal House Group Limited Director • Company Director | 4 Jun 2003←22 Years→Current | Active | |
| Collis Engineering Railway Contracts Limited Director • Co Director | 4 Jun 2003←22 Years→Current | Active | |
| Signal House Limited Director • Company Director | 1 May 1998←27 Years→Current | Active | |
