| Company | Timeline | Status | |
Institute Of Quality Assurance(The) Director • Retired | 30 Oct 1992←7 Months→2 Jun 1993 | Dissolved | |
| National Quality Assurance Limited Director • Retired | 31 Oct 1991←1 Year 5 Months→1 Apr 1993 | Active | |
| National Quality Assurance Limited Director • Unreported | 1 Jan 1970←23 Years→1 Apr 1993 | Active | |
