| 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 Director • Director | 19 Nov 2001←24 Years→Current | Active | |
| Definitive Applications Limited Director • Consultant | 31 Mar 1991←34 Years→Current | Active | |
