| Company | Timeline | Status | |
| Holzhaus UK Limited Director • Company Director | 31 Mar 2011←14 Years→Current | Active | |
| Clarkson Retail Limited Director • Company Director | 19 Nov 2009←16 Years→Current | Active | |
| W H Clarkson & Son Limited Director • Company Director | 12 Mar 2007←18 Years→Current | Liquidation | |
