| Company | Timeline | Status | |
| D.H.A. (Calverton) Limited Director • Unreported | 11 May 2000←25 Years→Current | Active | |
| Oxerra Pigments UK Limited Director • Director | 14 Jun 1991←9 Years→31 Aug 2000 | Active | |
| Oxerra Pigments UK Limited Secretary • Unreported | 14 Jun 1991←6 Years→22 May 1998 | Active | |
