| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | UNITED CHEMISTS (UCAL) LIMITED | 🇬🇧United Kingdom | Dissolved | 03/02/2026 – 14/03/1997 |
| Officer | ARNOLDS VETERINARY PRODUCTS LIMITED | 🇬🇧United Kingdom | Active | 11/03/2026 – 14/03/1997 |
| Officer | JOHN BELL & CROYDEN LIMITED | 🇬🇧United Kingdom | Active | 23/04/2026 – present |
| Officer | BROOMCO 4263 LIMITED | 🇬🇧United Kingdom | Active | 18/02/2026 – present |
14/03/1997
resigned
21/05/1991
appointed