| Company | Timeline | Status | |
| Richard J Chamberlain Ltd Director • Director | 21 Sep 2021←4 Years→Current | Active | |
Richard Chamberlain Ltd Director • Civil Engineer | 14 Jun 2016←2 Years 3 Months→9 Oct 2018 | Dissolved | |
| 3D Risk Ltd Director • Company Director | 11 Mar 2004←1 Year 7 Months→1 Nov 2005 | Active | |
