| Company | Timeline | Status | |
| Four Seasons Farming Limited Director • Director | 17 Jan 2003←22 Years→Current | Active | |
| Home Counties Investments Limited Director • Property Director | 23 Jan 2002←23 Years→Current | Active | |
| Let Direct Limited Director • Director | 7 Nov 2000←25 Years→Current | Active | |
| Luton Lighting Centre Limited Director • Company Secretary/director | 4 Mar 1993←29 Years→22 Mar 2022 | Dissolved | |
| Chamberlain Holdings Public Limited Company Director • Director/estate Management | 25 Sep 1991←34 Years→Current | Active | |
| East Anglia Estates Limited Director • Director/estate Management | 25 Sep 1991←34 Years→Current | Active | |
| Home Counties Estates Limited Director • Director/estate Management | 25 Sep 1991←34 Years→Current | Active | |
| E.M. Chamberlain Estates Limited Director • Director/estate Management | 25 Sep 1991←34 Years→Current | Active | |
| Britannia Estates (Luton) Limited Director • Director/estate Management | 25 Sep 1991←34 Years→Current | Active | |
| E.M. Chamberlain Group Limited Director • Director/estate Management | 25 Sep 1991←34 Years→Current | Active | |
