| Company | Timeline | Status | |
| E S M Global Limited Director • Electrical Engineer | 4 Jun 2013←12 Years→10 Nov 2025 | Active | |
| Kingswood (Cambourne) Management Company Limited Director • Engineering Director | 4 Oct 2008←13 Years→30 Jun 2022 | Active | |
Engineering Services Management Limited Director • Electrical Engineer | 24 Jul 1997←17 Years→28 Feb 2015 | Dissolved | |
