| Company | Timeline | Status | |
| Sir E D Walker Trustee Director • Company Director | 29 Nov 2016←7 Years→15 May 2024 | Active | |
| Linwood Estate Limited Director • Chartered Civil Engineer | 12 Feb 2015←10 Years→Current | Active | |
| Heritage East Limited Director • Director | 24 Feb 2003←22 Years→Current | Active | |
| Heritage West Limited Director • Director | 24 Feb 2003←22 Years→Current | Active | |
| Heritage South Limited Director • Director | 24 Feb 2003←22 Years→Current | Active | |
| Heritage North Limited Director • Chartered Civil Engineer | 5 Nov 2001←24 Years→Current | Active | |
