| Company | Timeline | Status | |
| G.B.C. (Speciality Chemicals) Limited Director • Company Director | 12 Dec 2024←10 Months→Current | Active | |
| G.B.C. Performance Materials Limited Director • Company Director | 10 Apr 2013←12 Years→Current | Active | |
| G.B.C. (Speciality Chemicals) Limited Secretary • Unreported | 23 Jun 1998←27 Years→Current | Active | |
| William Grace Holdings Limited Director • Investment Manager | 23 May 1995←30 Years→Current | Active | |
| William Grace Holdings Limited Secretary • Investment Manager | 23 May 1995←30 Years→Current | Active | |
| Hitchin British Schools Trust Director • Investment Manager | 8 Sep 1993←4 Years→15 May 1998 | Active | |
