| Company | Timeline | Status | |
| GSS Property Consultants Limited Director • Surveyor | 15 Jan 2015←10 Years→Current | Active | |
| William Martin Property Consultants Limited Director • Director | 24 Aug 2010←4 Years→1 May 2015 | Active | |
| Vantify Limited Director • Director | 7 Aug 2008←6 Years→1 Jul 2015 | Active | |
William Martin & Partners LLP Designated LLP Member • Unreported | 1 Aug 2005←9 Years→1 May 2015 | Dissolved | |
William Martin Architects Limited Secretary • Unreported | 14 Jun 2004←9 Months→31 Mar 2005 | Dissolved | |
