| Company | Timeline | Status | |
| Matthews Family Holdings Limited Director • Director | 18 Oct 2023←2 Years→Current | Active | |
| Jon Matthews Design Limited Director • Director | 20 Sep 2018←5 Years→23 Jan 2024 | Dissolved | |
| Jon Matthews Architects Limited Director • Director | 20 Sep 2018←7 Years→Current | Active | |
| Five Plus Architects London Limited Director • Architect | 20 Jan 2012←6 Years→17 Oct 2018 | Active | |
| Five Plus Architects Limited Director • Architect | 8 Sep 2010←8 Years→17 Oct 2018 | Active | |
