| Company | Timeline | Status | |
| The Ham Hill Stone Company Limited Secretary • Unreported | 15 Jun 1991←3 Years→20 Jan 1995 | Active | |
| Sartorius UK Limited Secretary • Unreported | 17 Apr 1991←2 Years 1 Month→24 May 1993 | Active | |
| The Ham Hill Stone Company Limited Secretary • Unreported | 1 Jan 1970←25 Years→20 Jan 1995 | Active | |
