| Company | Timeline | Status | |
Gibson Consulting Limited Director • Consultant | 13 Nov 2000←19 Years→23 Jun 2020 | Dissolved | |
| Gardiner & Theobald Fairway Limited Director • Engineer | 1 Sep 1996←2 Years 4 Months→5 Jan 1999 | Dissolved | |
Planning & Technical Services Limited Director • Engineer | 5 Sep 1988←26 Years→28 Oct 2014 | Dissolved | |
