| Company | Timeline | Status | |
| Wren Consultants (UK) Ltd Director • Director | 8 Dec 2009←13 Years→13 Jun 2023 | Dissolved | |
| Calderbank Contractors Limited Director • Unreported | 25 Feb 1995←30 Years→Current | Active | |
| Calderbank Contractors Limited Secretary • Unreported | 25 Feb 1995←30 Years→Current | Active | |
| RMB Contractors Limited Director • Building Contractor | 3 Aug 1992←21 Years→30 May 2014 | Active | |
