| Company | Timeline | Status | |
| Offley Chase Estates Limited Director • Chartered Surveyor | 8 Nov 2022←2 Years 11 Months→Current | Active | |
| Chamberlain Holdings Public Limited Company Director • Chartered Surveyor | 8 Nov 2022←2 Years 11 Months→Current | Active | |
| East Anglia Estates Limited Director • Chartered Surveyor | 8 Nov 2022←2 Years 11 Months→Current | Active | |
| Home Counties Estates Limited Director • Chartered Surveyor | 8 Nov 2022←2 Years 11 Months→Current | Active | |
| E.M. Chamberlain Estates Limited Director • Chartered Surveyor | 8 Nov 2022←2 Years 11 Months→Current | Active | |
| Home Counties Investments Limited Director • Chartered Surveyor | 8 Nov 2022←2 Years 11 Months→Current | Active | |
| E.M. Chamberlain Group Limited Director • Chartered Surveyor | 8 Nov 2022←2 Years 11 Months→Current | Active | |
| Landchief Limited Director • Chartered Surveyor | 8 Nov 2022←2 Years 11 Months→Current | Active | |
| E.M.Chamberlain Limited Director • Chartered Surveyor | 8 Nov 2022←2 Years 11 Months→Current | Active | |
| The Harlington Area Schools Trust Director • Chartered Surveyor | 17 Jun 2013←8 Years→12 Oct 2021 | Dissolved | |
