| Company | Timeline | Status | |
| Cromar Building Products Limited Director • Director | 27 Dec 1996←28 Years→Current | Active | |
| Cromar Building Products Limited Director • Director | 27 Dec 1996←28 Years→28 Feb 2025 | Active | |
| Croda Hydrocarbons Limited Director • Director | 9 Apr 1992←5 Years→31 May 1997 | Active | |
