| Company | Timeline | Status | |
| Concurrent Systems Incorporated Limited Director • Company Director  | 1 Apr 2017←1 Year 11 Months→11 Mar 2019  | Active  | |
| Webster Consulting & Co Ltd Director • Engineer  | 9 Nov 2011←9 Years→15 Dec 2020  | Active  | |
| Sorce Limited Secretary • Director  | 19 Nov 2001←23 Years→Current  | Active  | |
| Sorce Limited Director • Unreported  | 19 Nov 2001←23 Years→Current  | Active  | |
| Definitive Applications Limited Director • Unreported  | 1 Jan 1970←55 Years→Current  | Active  | |
