| Company | Timeline | Status | |
| Kew Bridge Engines Trust And Water Supply Museum Limited(The) Director • Company Director | 19 Nov 2015←7 Months→20 Jun 2016 | Active | |
| The Happy Seven Limited Director • Unreported | 16 Feb 2015←1 Year 1 Month→31 Mar 2016 | Dissolved | |
Martin Williams Marketing Limited Director • Marketing Consultant | 24 Jan 2013←6 Years→13 Aug 2019 | Dissolved | |
