| Company | Timeline | Status | |
| Telair Manchester Limited Director • Design Eng | 26 Oct 2004←13 Years→16 Oct 2018 | Active | |
| Light Planes (Lancashire) Limited Secretary • Engineer | 1 Aug 1996←1 Year 3 Months→3 Nov 1997 | Active | |
| Light Planes (Lancashire) Limited Director • Technical Director | 1 Apr 1995←9 Years→28 Apr 2004 | Active | |
| The Howells Group Plc Director • Engineer | 24 Aug 1993←1 Year 5 Months→18 Feb 1995 | Active | |
| Howells Railway Products Limited Director • Engineer | 24 Aug 1993←1 Year 5 Months→18 Feb 1995 | Active | |
| Light Planes (Lancashire) Limited Director • Engineer | 23 Oct 1990←2 Years 6 Months→23 Apr 1993 | Active | |
