| Company | Timeline | Status | |
W.D. Davies & Son (Management Services) Limited Director • Consultant Engineer | 10 Mar 1994←21 Years→28 Jul 2015 | Dissolved | |
| Institute Of Automotive Engineer Assessors (The) Director • Consulting Engineer | 30 Jun 1991←2 Years 4 Months→12 Nov 1993 | Active | |
W.D.Davies & Son(South Wales)Limited Director • Consultant Engineer | 20 Dec 1990←24 Years→19 Apr 2015 | Dissolved | |
