| Company | Timeline | Status | |
| Elr Events Ltd Director • Events Organiser | 1 Nov 2019←2 Years 5 Months→5 Apr 2022 | Dissolved | |
| Howardco Limited Director • Consultant | 6 Nov 2014←11 Years→Current | Active | |
| Pennan Properties Limited Director • Company Director | 27 Feb 2013←12 Years→Current | Active | |
| Elysium Publishing Limited Director • Director | 2 Nov 2010←15 Years→Current | Active | |
| Russell House And Jetty Street Management Company Limited Director • Managing Director | 30 Aug 2007←18 Years→Current | Active | |
| LRTA (Publishing) Limited Director • Publishing | 19 Apr 2007←11 Years→8 Mar 2019 | Active | |
| Light Rail Transit Association Director • Managing Director Publishing | 12 Mar 2004←13 Years→31 Dec 2017 | Active | |
| Howard Johnston Associates Ltd Director • Director (managing) | 29 Jul 2003←22 Years→Current | Active | |
| Railworld Director • Publishing | 3 Jul 1996←5 Years→18 Oct 2001 | Active | |
