| Company | Timeline | Status | |
| Ove Arup & Partners Japan Limited Director • Structural Engineer | 31 Dec 1991←9 Months→25 Oct 1992 | Active | |
| Ove Arup & Partners International Limited Director • Structural Engineer | 27 Nov 1991←11 Months→25 Oct 1992 | Active | |
| Ove Arup Partnership Trustees Limited Director • Structural Engineer | 27 Nov 1991←11 Months→25 Oct 1992 | Active | |
| Scotstoun Property Limited Director • Structural Engineer | 27 Nov 1991←11 Months→25 Oct 1992 | Active | |
