| Company | Timeline | Status | |
| Patrick Lichfield Limited Secretary • Private Secretary | 8 May 2006←19 Years→Current | Active | |
| Lichfield Studios Limited Secretary • Private Secretary | 8 May 2006←19 Years→Current | Active | |
| Lord Lichfield Limited Director • Private Secretary | 8 May 2006←19 Years→Current | Active | |
| Lord Lichfield Limited Secretary • Private Secretary | 8 May 2006←19 Years→Current | Active | |
| Patrick Lichfield Limited Director • Private Secretary | 8 May 2006←19 Years→Current | Active | |
| Lichfield Studios Limited Director • Private Secretary | 8 May 2006←19 Years→Current | Active | |
