| Company | Timeline | Status | |
| DW Developments (SW) Ltd Director • Director | 9 Jun 2020←5 Years→Current | Active | |
| R J & N J Williams Limited Director • Construction | 14 May 2015←10 Years→Current | Active | |
| Williamsbuild Management Limited Director • Construction | 11 May 2010←15 Years→Current | Active | |
| Tamar Management Co Limited Director • Company Director | 5 May 2009←16 Years→Current | Active | |
| Williams Southern Limited Director • Construcition | 18 Nov 2002←22 Years→Current | Active | |
