| Company | Timeline | Status | |
| Robert Johannes De Lang Limited Director • Unreported | 26 Jan 2022←3 Years→Current | Active | |
Keyingham Salads Limited Director • Market Gardener | 11 Apr 2013←5 Years→16 May 2018 | Dissolved | |
| Salthaugh Grange Farm Limited Director • Unreported | 27 Jan 2005←20 Years→Current | Active | |
| Keyingham Power Limited Director • Unreported | 14 Jul 2004←21 Years→Current | Active | |
| Keyingham Power Limited Secretary • Unreported | 14 Jul 2004←21 Years→Current | Active | |
| East Riding Growers Limited Director • Unreported | 6 Apr 2003←22 Years→Current | Active | |
| East Riding Growers Limited Secretary • Unreported | 3 Dec 2002←4 Months→6 Apr 2003 | Active | |
| RJDL Limited Director • Unreported | 27 May 2002←23 Years→Current | Active | |
| Mill Nurseries Limited Director • Unreported | 22 Dec 1997←27 Years→Current | Active | |
