| Company | Timeline | Status | |
| Preston Cross Airstrip Limited Director • Director | 16 May 2008←17 Years→Current | Active | |
| Bira Trustee Company Limited Director • Engineer | 19 May 2006←2 Years→19 May 2008 | Active | |
| Pattenden Machinery Limited Director • Agricultural Engineer | 26 Nov 1991←34 Years→Current | Active | |
| Bavenhill Mechanics Company Limited Director • Engineer | 9 Nov 1991←34 Years→Current | Active | |
| Bavenhill Mechanics Company Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
