| Company | Timeline | Status | |
| Ashtead Tennis Players Club Ltd Director • Retired | 1 Apr 2018←3 Years→17 Mar 2022 | Active | |
Myriad Learning Limited Director • Chemist University Professor | 26 Apr 2007←1 Year 7 Months→4 Dec 2008 | Dissolved | |
Nochalk Limited Director • University Professor | 22 Oct 2003←5 Years→4 Dec 2008 | Dissolved | |
