| Company | Timeline | Status | |
| Simon Theobald Fine Art Limited Director • Unreported | 20 Mar 2012←13 Years→Current | Active | |
| Simon Theobald Limited Director • Unreported | 20 Mar 2012←13 Years→Current | Active | |
| Theobald Jennings Limited Director • Fine Art Dealer | 20 Feb 2008←13 Years→1 Jun 2021 | Dissolved | |
| The Fine Art Trading Company Limited Director • Unreported | 3 Jul 2000←25 Years→Current | Active | |
| Christie Manson & Woods Limited Director • Valuer | 1 Jan 1994←6 Years→12 Apr 2000 | Active | |
