| Company | Timeline | Status | |
| Lowther Limited Director • Unreported | 12 Dec 2025←1 Month→Current | Active | |
| RSPB Nature Regen Ltd Director • Unreported | 6 Jan 2025←1 Year→Current | Active | |
| Lowther Holiday Park 2 Limited Director • Unreported | 7 Jul 2023←2 Years 6 Months→Current | Active | |
| Lowther Estates Ltd Director • Unreported | 21 Jan 2021←5 Years→Current | Active | |
| Lowther Holiday Park Limited Director • Unreported | 17 Jul 2018←7 Years→Current | Active | |
| Lowther Castle And Gardens Trust Director • Unreported | 31 May 2007←7 Years→27 Feb 2015 | Active | |
| Lowther Castle Limited Director • Unreported | 15 Apr 2003←22 Years→Current | Active | |
| Grasmere Sports Committee Limited(The) Director • Landowner | 12 Apr 1999←8 Years→27 Mar 2008 | Active | |
| Lowther Forestry Group Limited Director • Unreported | 6 Nov 1997←28 Years→Current | Active | |
| Lowther Park Farms Limited Director • Unreported | 26 Apr 1995←30 Years→Current | Active | |
