| Company | Timeline | Status | |
| Jonathan Lees Architecture And Design Ltd Director • Architect | 18 Feb 2023←2 Years 10 Months→Current | Active | |
| My OWN Snug Space Design Ltd Director • Architect | 5 Sep 2014←8 Years→2 May 2023 | Dissolved | |
| Jonathan Lees Architects LLP Designated LLP Member • Unreported | 1 Mar 2010←15 Years→Current | Active | |
