| Company | Timeline | Status | |
| The Overcote Management Company Limited Director • Pa/bookeeper | 12 Jul 1999←2 Years 2 Months→19 Sep 2001 | Active | |
| Stephen Johnson Consulting Engineers Limited Director • Secretary | 1 Aug 1992←33 Years→Current | Active | |
| Stephen Johnson Consulting Engineers Limited Secretary • Secretary | 23 May 1991←34 Years→Current | Active | |
