| Company | Timeline | Status | |
| Matthew Williamson Holdings Limited Director • Company Director | 17 Jul 2003←22 Years→Current | Active | |
Matthew Williamson Consultancy Limited Director • Company Director | 15 Jul 2003←17 Years→13 Oct 2020 | Dissolved | |
| Matthew Williamson Retail Limited Director • Company Director | 15 Jul 2003←22 Years→Current | Active | |
Matthew Williamson Lifestyle Limited Director • Company Director | 14 Aug 2002←18 Years→20 Oct 2020 | Dissolved | |
| Matthew Williamson Limited Director • Company Director | 27 Jan 2000←25 Years→Current | Active | |
| Matthew Williamson Limited Secretary • Company Director | 27 Jan 2000←25 Years→Current | Active | |
| British Fashion Council Director • Company Manager | 27 Jan 1999←8 Years→3 Jul 2007 | Active | |
