| Company | Timeline | Status | |
| Alonsoebert Ltd Director • Director | 19 Apr 2022←3 Years→Current | Active | |
| Mackenzie & Ebert Limited Director • Architect | 22 Oct 2004←21 Years→Current | Active | |
| Hither Green (Southbourne) Management Co. Ltd Director • Golf Course Architect | 29 Sep 2003←4 Years→7 Feb 2008 | Active | |
