| Company | Timeline | Status | |
| Sussex Square RTM Company Limited Director • Director | 23 Apr 2013←12 Years→Current | Active | |
| London Philharmonic Orchestra Limited Director • Company Director | 22 May 2012←1 Year 2 Months→11 Aug 2013 | Active | |
| Norbury Holdings Limited Director • Company Director | 4 May 1991←34 Years→Current | Active | |
| J.A.H.K. Limited Director • Company Director | 20 Mar 1991←34 Years→Current | Active | |
| J.A. Kessler Limited Director • Company Director | 20 Mar 1991←34 Years→Current | Active | |
