| Company | Timeline | Status | |
| John Swannell Studios Limited Director • Photographer | 26 Jun 1992←33 Years→Current | Active | |
| 18 Bishopswood Road Limited Director • Photographer | 31 Dec 1990←35 Years→27 Jan 2026 | Dissolved | |
| 18 Bishopswood Road Limited Director • Unreported | 1 Jan 1970←56 Years→27 Jan 2026 | Dissolved | |
