| Company | Timeline | Status | |
| Aptoval Limited Secretary • Engineer | 26 Jun 2004←13 Years→11 Feb 2018 | Active | |
| J.H.Heathcote Limited Director • Company Director | 26 Nov 1998←22 Years→1 Apr 2021 | Active | |
| B & R (2005) Limited Director • Director/engineer | 22 Jun 1991←34 Years→Current | Active | |
| Aptoval Limited Director • Director/engineer | 22 Jun 1991←20 Years→2 Apr 2012 | Active | |
