| Company | Timeline | Status | |
| Llewellyn Harker Limited Director • Architect | 22 Sep 2000←25 Years→Current | Active | |
| Llewellyn Harker Limited Director • Architect | 22 Sep 2000←24 Years→17 Apr 2025 | Active | |
| 3 Russell Street (Bath) Limited Director • Architect | 28 Oct 1991←3 Years→9 Nov 1994 | Active | |
