| Company | Timeline | Status | |
| Downs View Lodge (Surbiton) Management Company Limited Director • Structural Engineer | 15 Nov 2010←6 Years→11 Aug 2017 | Active | |
Gregory Court Management Company Limited Director • Structural Engineer | 31 Oct 2010←1 Year 6 Months→18 May 2012 | Dissolved | |
| Franks & Lewin Ltd Director • Structural Engineer | 3 Apr 1998←25 Years→2 Jan 2024 | Dissolved | |
