| Company | Timeline | Status | |
| BHPP Limited Secretary • Engineer | 1 Jan 2006←12 Years→28 Feb 2018 | Active | |
| BHPP Limited Director • Engineer | 1 Jan 2006←12 Years→28 Feb 2018 | Active | |
| Barter Hill Partnership Limited Secretary • Structural Engineer | 3 Apr 2003←14 Years→1 Dec 2017 | Active | |
