| Company | Timeline | Status | |
| Witherby Investments Limited Director • Finance Director | 1 Jan 2024←1 Year 9 Months→Current | Active | |
| Witherby Estate Management Limited Director • Certified Chartered Accountant | 15 Jan 2015←10 Years→Current | Active | |
| Witherby Digital Limited Director • Certified Chartered Accountant | 15 Jan 2015←10 Years→Current | Active | |
| Witherby Publishing Group Limited Director • Certified Chartered Accountant | 15 Jan 2015←10 Years→Current | Active | |
| Witherby Investments Limited Director • Certified Chartered Accountant | 15 Jan 2015←2 Years 11 Months→20 Dec 2017 | Active | |
