| Company | Timeline | Status | |
| NHG Associates Ltd Director • Structural Engineer | 25 Oct 2021←4 Years→Current | Active | |
| Seven PM Design Consultancy Ltd Director • Structural Engineer | 23 Oct 2021←1 Year 4 Months→14 Mar 2023 | Dissolved | |
| Emmaus Greenwich Director • Developer | 18 Jan 2006←19 Years→Current | Active | |
| Jane Walker Consultancy Ltd Secretary • Consultant | 1 Jun 2004←21 Years→Current | Active | |
| Jane Walker Consultancy Ltd Director • Consultant | 1 Jun 2004←21 Years→Current | Active | |
| Esoteric Design & Developments Ltd Director • Consultant | 25 Nov 2003←19 Years→30 May 2023 | Dissolved | |
