| Company | Timeline | Status | |
| Eav2 Ltd Director • Director | 18 Oct 2019←6 Years→Current | Active | |
| Emptage Consulting Ltd Director • Director | 17 Oct 2019←5 Years→17 Dec 2024 | Dissolved | |
| Peter Emptage Associates Limited Director • Chartered Achitect | 12 Oct 1995←26 Years→28 Apr 2022 | Dissolved | |
| Traer Clark Limited Director • Chartered Architect | 13 Nov 1991←3 Years→30 Sep 1995 | Active | |
