| Company | Timeline | Status | |
| Hubexo North UK Limited Director • Chartered Engineer | 11 Feb 1999←3 Years→13 Jun 2002 | Active | |
| Riba Enterprises Limited Director • Chartered Engineer | 11 Feb 1999←3 Years→13 Jun 2002 | Dissolved | |
Crichton Associates Limited Director • Chairman | 9 Jun 1991←25 Years→22 Nov 2016 | Dissolved | |
