| Company | Timeline | Status | |
| Sheppard Safety Engineering Consultancy Ltd Director • Chartered Engineer | 8 Apr 2020←5 Years→Current | Active | |
| The Safety And Reliability Society Director • Safety And Reliability Engineer | 27 Nov 2018←3 Years→22 Nov 2022 | Active | |
| Sars Ltd Director • Safety And Reliability Engineeer | 27 Nov 2018←3 Years→22 Nov 2022 | Active | |
Lackham Museum And Woodland Railway Limited Director • Safety Consultant | 25 Apr 2003←10 Years→7 Jan 2014 | Dissolved | |
| The West Wiltshire Society Of Model Engineers Director • Safety Engineer | 21 Mar 2000←2 Years→2 Apr 2002 | Active | |
| Plymouth Miniature Steam Director • Railway Signalling Engineer | 25 Apr 1997←1 Year 9 Months→28 Jan 1999 | Active | |
