| Company | Timeline | Status | |
| Jon Rowland Urban Design Limited Secretary • Unreported | 20 Dec 2005←18 Years→23 Jan 2024 | Dissolved | |
| Johnston Cave Associates Ltd Director • Architect | 31 Oct 1991←7 Years→19 May 1999 | Active | |
| Johnston Cave Associates Ltd Director • Unreported | 1 Jan 1970←29 Years→19 May 1999 | Active | |
