| Company | Timeline | Status | |
| International Management & Engineering Group Limited Director • Unreported | 13 Nov 2003←22 Years→Current | Active | |
| Imeg Limited Director • Company Director | 13 Nov 2003←16 Years→22 Jul 2020 | Active | |
| Associated Consulting Engineers International Limited Director • Director | 6 Jul 1998←27 Years→Current | Active | |
| Snow Consulting Ltd Director • Company Director | 11 Apr 1991←34 Years→Current | Active | |
| Sir Frederick Snow & Partners Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
| Sir Frederick Snow (International) Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
