| Company | Timeline | Status | |
| J Marsh Services Limited Director • Chartered Engineer | 31 Dec 2014←10 Years→Current | Active | |
| PCS Holdings (UK) Limited Director • Director | 30 Apr 2008←17 Years→Current | Active | |
| PCS Holdings (UK) Limited Director • Director | 30 Apr 2008←16 Years→2 Apr 2025 | Active | |
| Tim Marsh Associates Limited Director • Director | 10 Oct 2006←19 Years→Current | Active | |
| Power Cable Services Limited Director • Director | 10 Oct 2006←19 Years→Current | Active | |
| Power Cable Services Limited Director • Director | 10 Oct 2006←18 Years→2 Apr 2025 | Active | |
| British Approvals Service For Cables Limited Director • Director | 30 Jul 1993←6 Years→21 Oct 1999 | Active | |
