| Company | Timeline | Status | |
| Gilder Agri Limited Director • Director | 11 Mar 2020←5 Years→Current | Active | |
| Gilder Hire Limited Director • Unreported | 18 Sep 2015←10 Years→Current | Active | |
| Gilder Property Limited Director • Director | 18 Sep 2015←10 Years→Current | Active | |
| Gilder Environmental Ltd Director • Unreported | 18 Sep 2015←10 Years→Current | Active | |
| William Gilder Group Limited Director • Unreported | 18 Sep 2015←10 Years→Current | Active | |
| Teddington Stores Limited Director • Unreported | 9 Sep 2014←11 Years→Current | Active | |
| William Gilder Limited Director • Director | 1 Jul 2002←23 Years→Current | Active | |
