| Company | Timeline | Status | |
| Wilkes Security Products Limited Director • Director | 21 Feb 1993←9 Years→1 Mar 2002 | Active | |
| Trimselter Limited Director • Director | 21 Feb 1993←9 Years→1 Mar 2002 | Active | |
| Samuel Wilkes (Engineering) Limited Director • Director | 21 Feb 1993←9 Years→1 Mar 2002 | Active | |
| Stancroft Limited Director • Director | 21 Feb 1993←9 Years→1 Mar 2002 | Active | |
