| Company | Timeline | Status | |
| John Yates & Co.Limited Director • Engineer  | 11 Oct 2022←3 Years→Current  | Active  | |
| A.W.Wills And Son,Limited Director • Unreported  | 11 Oct 2022←3 Years→Current  | Active  | |
| Edward Elwell Limited Director • Engineer  | 11 Oct 2022←3 Years→Current  | Active  | |
| Chillington Tool Company,Limited(The) Director • Engineer  | 11 Oct 2022←3 Years→Current  | Active  | |
| Ralph Martindale And Company Limited Director • Unreported  | 17 Mar 2014←11 Years→Current  | Active  | |
| Ralph Martindale (England) Limited Director • Engineer  | 1 May 1999←26 Years→Current  | Active  | |
