| Company | Timeline | Status | |
| G R Carr (Holdings) Limited Director • Engineer | 3 Jun 2005←20 Years→Current | Active | |
| G R Carr (Holdings) Limited Director • Engineer | 3 Jun 2005←19 Years→31 Jul 2024 | Active | |
| G.R.Carr (Essex) Limited Director • Engineer | 30 Jun 1991←34 Years→Current | Active | |
